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| LED Lighting Driver | ||||||||
| 1. LED Lighting Driver Controller | ||||||||
| Part No. | Features | VIN(Range)(V) | VFB(Typ) | Idrive(mA) | Efficiency | Switching Freq. | Package | |
| ULD5121 |
ADAPTIVE 100/120Hz CURRENT RIPPLE REMOVING CIRCUIT CONTROLLER * Controller for adaptive 100/120Hz current ripple remover * Amplitude of LED current ripple programming * Maximum cathode voltage of LED programming * Maximum LED current programming |
5-8V | - | - | - | 100/120Hz | SOT-25 | |
| ULD5131 |
ADAPTIVE 100/120Hz CURRENT RIPPLE REMOVING CIRCUIT CONTROLLER * Controller for adaptive 100/120Hz current ripple remover * Amplitude of LED current ripple programming * Maximum cathode voltage of LED programming * Maximum LED current programming |
5-8V | - | - | - | 100/120Hz | SOP-8 | |
| ULD5133 |
ADAPTIVE 100/120Hz CURRENT RIPPLE REMOVING CIRCUIT CONTROLLER * Controller for adaptive 100/120Hz current ripple remover * Amplitude of LED current ripple programming * Maximum cathode voltage of LED programming * Maximum LED current programming |
5-8V | - | - | - | 100/120Hz | SOT-23 SOT-89 | |
| ULD3380 |
High Efficiency PWM Buck LED Driver Controller * Universal input voltage range with off-line topology * Programmable constant LED current * Output LED string short protection * Output LED string open protection * Dimmable LED current by ACTL * OCP * Built-in OTP |
7.5V~40.0V |
160mV (Current Sense) |
- | up to 85% | 47KHz(Typ) | SOT-26 | |
| UL22 |
* Free-DimmingTM technology * Proprietary technology using ON/OFF wall switch to select one of the two LED channels * Supports high-side Buck, Buck-Boost and Flyback topologies * High power factor with Discontinue-Current-Mode (DCM) control * Low start-up current and operating current to maximize conversion efficiency * Under-voltage lockout (UVLO) with hysteresis * Provides complete protection functions -Maximum gate driver output clamp -VDD pin Over-Voltage Protection -Cycle-by-cycle current limit -LEDs Over-Current Protection -LEDs Open-Loop Protection -LEDs Short-Circuit Protection -Internal Over-Temperature Protection |
18V~24.0V | 252mV | 3mA | - | 66KHz(Typ) | HSOP-8 | |
| UL23EA |
* No transformer and high voltage electrolysis capacitor * Input voltage 220VAC,110VAC * Adjustable output current, max 60mA * Inter-chip current deviation < ±4% * Application system no EMI problems * Power factor > 0.9 * Over temperature Reduced Current * Supports the adjust brightness in 3 grades * Supports the adjust color temperature in 3 grades |
6.8V | - | 60mA | up to 90% | - | HSOP-8 | |
| UL23EB |
* No stroboscopic * Input voltage 220VAC,110VAC * Adjustable output current, max 60mA * Inter-chip current deviation < ±4% * Application system no EMI problems * Power factor > 0.5 * Efficiency > 90% * Over temperature Reduced Current * Supports the adjust brightness in 3 grades * Supports the adjust color temperature in 3 grades |
6.8V | - | 60mA | up to 90% | - | HSOP-8 | |
| UL51A |
HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER * No transformer and high voltage electrolysis capacitor * Integrated high voltage startup power supply circuit * Adjustable output current, max 60mA * Inter-chip current deviation < ±5% * Efficiency: >90% * Power factor: >0.95 * THD<20% * Over temperature protection * Application system no EMI problems |
- | 900mV | 60mA | up to 90% | - | HSOP-8 | |
| ULD0691 |
HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER * No transformer and high voltage electrolysis capacitor * Integrated high voltage startup power supply circuit * Adjustable output current, max 60mA * Inter-chip current deviation < ±5% * Efficiency: >90% * Power factor: >0.95 * THD<20% * Over temperature protection * Application system no EMI problems |
- | 900mV | 60mA | up to 90% | - | HSOP-8 | |
| ULF0291 |
6 SEGMENTS LINEAR LED DRIVER 6-segments Little flash Low static current consumption |
AC 220V~260V | - | 18mA | - | - | HSOP-8 | |
| L5030 |
Boost-Up Voltage Converter for LED Driver * Inductor based converter brings up to 92% efficiency * +0.8V to +6.0V input voltage range * 0.92V guaranteed start up input voltage * Boost up control using PFM * Constant output current regulation |
0.8V~8.0V | 19mV | 3.6mA | up to 92% | 350KHz(Max) | SOT-25 | |
| L5107 |
Constant Current Boost Controller for Driving High Power LEDs * Input voltage range: 6V~45V * Feedback voltage: 0.25V±3% * Maximum out power of 70W * Programmable switching frequency and LED drive current * Ultra low EMI via dithering on the UTC L5107 * Single pin for PWM dimming * Protection circuit: Over voltage protection circuit Over temperature protection circuit Under-voltage Lock-out circuit * Accurate over the -40~125°C temperature range |
6.0V~45.0V | 250mV | - | - | 400KHz(Typ) | TSSOP-16 | |
| ULC6001 |
Constant Current Boost Controller for Driving High Power LEDs * Large Input voltage range: 5V~400V * Programmable LED drive current * Programmable switching frequency: 500KHz~2.5MHz * Single pin for PWM dimming * Accurate over the -40~125°C temperature range |
3.0V~6.5V | 260mV | 1mA | - | 500KHz~2.5MHz | SOP-8 | |
| ULC6002 |
SPECIAL DRIVE FOR LED FLASHLIGHT * Minimum operating input voltage 0.9V * Over 100mA output current * 85% efficiency |
0.9V~3.2V | - | - | up to 85% | - | SOT-23 | |
| UPSL101 |
PSR Single Stage High PFC LED Driver * Primary-side control with single stage PFC topology * Transition mode (TM) operation to achieve high efficiency * Minimized BOM count * Cycle-by-cycle current limiting (OCP) * Selectable threshold of OCP * High current accuracy * VCC over voltage protection * Analog multiplier for power factor correction * Over-temperature protection * Output over voltage protection * LED open circuit protection * LED short circuit protection * Soft-start * Ultra-low start-up current * VCC under voltage lockout (UVLO) |
11.0V~25.0V |
400mV (Current Sense) |
- | up to 85% | - | SOP-8 | |
| UPSL102 |
PSR Single Stage LED Driver * Primary-side sensing and regulation without TL431 and opto-coupler * High precision constant current regulation at universal AC input * Low system cost and high efficiency * Built-in primary winding inductance compensation * Programmable CC regulation * Drivability for BJT switch * Short circuit protection * Ultra low start-up current (Typ. 1μA) * Open loop protection * Built-in leading edge blanking (LEB) * Cycle-by-cycle current limiting * VDD under voltage lockout with hysteresis * VDD over voltage protection |
30.0V | - | 50mA | up to 85% | - | SOT-25 | |
| UPSL103 |
HIGH POWER FACTOR & ACCURACY CONSTANT CURRENT LED DRIVER * High power factor by one cycle control * Accuracy and programmable constant current * Low BOM cost * Dimmable LED current by DIM * Average current / fixed frequency control * Gate output voltage clamp * LED Open Protection * LED Short Protection * Over Current Protection * Built-in thermal protection |
30.0V | 200mV | 3mA | - | 45KHz(Typ) | SOT-26 | |
| UPSL104 |
HIGH PRECISION OFF-LINE LED CONTROLLER * High Precise Constant Current Regulation at Universal AC input * Primary-side Sensing and Regulation Without TL431 and opto-coupler * Programmable CC Regulation * Adjustable Constant Current and Output Power Setting * Built-in Secondary Constant Current Control with Primary Side Feedback * Built-in Adaptive Current Peak Regulation * Built-in Primary winding inductance compensation * Power on Soft-start * Built-in Leading Edge Blanking (LEB) * Cycle-by-Cycle Current Limiting * VDD Under Voltage Lockout with Hysteresis (UVLO) * VDD OVP * VDD Clamp |
29.0V |
800mV (Current Sense) |
3mA | - | 60KHz(Typ) | SOT-26 | |
| UPSL304 |
HIGH POWER FACTOR & ACCURACY CONSTANT CURRENT LED DRIVER * Transition Mode Fixed On-Time PFC Control * Accuracy Constant Current * Low BOM Cost * Inductor Size Reduction * Frequency Range Adjusted by The CT Pin * LED Protection: SCP, OLP, OVP * SOT-26 Package * Compatible Inductance Ballast * Incompatible Electronic Ballast |
30.0V | 200mV | 3.2mA | - | - | SOT-26 | |
| UPSL1630 | PSR Single Stage High PFC AC-DC LED Driver | 7.2V~18.0V |
400mV (Current Sense) |
200mA | up to 85% | - | SOP-8 | |
| UCL2300 | PSR Single Stage High PFC LED Driver | 11.5V~17.5V |
300mV (Current Sense) |
- | up to 85% | - | SOP-8 | |
| UCL2310 |
PSR SINGLE-STAGE APFC OFFLINE LED CONTROLLER * Single-Stage Active PFC for High Power Factor and Low THD * Primary Side Control Constant Current Operation, No Opto-Coupler required * ±3% LED Current Accuracy * Excellent Line and Load Regulation * Critical Conduction Mode Operation * Ultra-Low (33uA) Startup Current * High Resistance Feedback Resistor for Improved Efficiency * LED Open and Short Circuit Protection * CS Resistor Open Circuit Protection * Cycle-by-Cycle Current Limit * VCC Over-voltage and Under-voltage Protection * Auto Fault Recovery * Thermal Regulation Function |
-0.3V~25.0V | 200mV | 200mA | - | - | SOP-8 | |
| UCL5811 |
PSR & PFC LED DRIVER CONTROLLER * Single stage PFC * Primary side regulation without Secondary Feedback * Quasi Resonance (QR) mode with Fly-back topology * Real-Current control to meet accurate output current * Very less components * Programmable input AC compensation * Leading Edge Blanking on CS/FB pin * Building in hysteresis OTP * VDD over voltage protection * Cycle by cycle current limiting on CS pin * Secondary peak current protection on CS pin * Output short to GND protection * Output programmable over voltage protection * FB and CS pins default protection |
28.0V | 200mV | 1mA | - | 130KHz(Max) | SOP-8 | |
| USL1602 |
CONSTANT CURRENT CONTROLLER FOR NON-ISOLATED BUCK LED DRIVER * Inductor current critical mode, No need to compensate the inductance variation * 600V MOSFET integrated * Source driver structure, Not need the auxiliary winding for VCC * ±3% LED current accuracy * Up to 93% system efficiency * LED short circuit protection * Current sense resistor short circuit protection * Over temperature protection |
7.5V~18.0V |
400mV (Current Sense) |
135mA | up to 93% | - | DIP-8 | |
| USL1650 |
HIGH EFFICIENCY PWM BUCK LED DRIVER CONTROLLER * Universal input voltage range with off-line topology * Programmable constant LED current * Output LED string short protection * Output LED string open protection * Dimmable LED current by ACTL * OCP * Built-in OTP |
17.0V~32.0V | 1250mV | 0.3mA | - | 47KHz(Typ) | SOP-8 | |
| USL3531 |
NON-ISOLATED BUCK OFFLINE LED DRIVER * Critical conduction mode operation * Internal 500V Power MOSFET * Ultra low operating current * No auxiliary winding * ±5% LED output current accuracy * LED short protection * LED open protection * VCC under voltage protection * Current sensing resistor short protection * Thermal regulation function |
16.8V | 500mV | 5mA | - | - | SOP-8 | |
| USL3531A | - | - | - | - | - | - | SOP-8 | |
| USL3531K |
NON-ISOLATED BUCK OFFLINE LED DRIVER * Critical conduction mode operation * Internal 500V Power MOSFET * Ultra low operating current * No auxiliary winding * ±5% LED output current accuracy * LED short protection * LED open protection * VCC under voltage protection * Current sensing resistor short protection * Thermal regulation function |
16.8V |
400mV (Current Sense) |
5mA | - | - | SOP-8 | |
| USL3532K |
NON-ISOLATED BUCK OFFLINE LED DRIVER * Critical conduction mode operation * Internal 500V Power MOSFET * Ultra low operating current * No auxiliary winding * ±5% LED output current accuracy * LED short protection * LED open protection * VCC under voltage protection * Current sensing resistor short protection * Thermal regulation function |
16.8V |
400mV (Current Sense) |
5mA | - | - | SOP-8 | |
| USL3533 |
NON-ISOLATED BUCK OFFLINE LED DRIVER * Critical conduction mode operation * Internal 500V Power MOSFET * Ultra low operating current * No auxiliary winding * ±5% LED output current accuracy * LED short protection * LED open protection * VCC under voltage protection * Current sensing resistor short protection * Thermal regulation function |
17V |
400mV (Current Sense) |
5mA | - | - | SOP-8 DIP-8 | |
| USL3533K |
NON-ISOLATED BUCK OFFLINE LED DRIVER * Critical conduction mode operation * Internal 500V Power MOSFET * Ultra low operating current * No auxiliary winding * ±5% LED output current accuracy * LED short protection * LED open protection * VCC under voltage protection * Current sensing resistor short protection * Thermal regulation function |
16.8V |
400mV (Current Sense) |
5mA | - | - | SOP-8 | |
| USL3631 |
NON-ISOLATED BUCK OFFLINE LED DRIVER * Critical conduction mode operation * Internal 600V Power MOSFET * Ultra low operating current * No auxiliary winding * ±5% LED output current accuracy * LED short protection * LED open protection * VCC under voltage protection * Current sensing resistor short protection * Thermal regulation function |
16.8V | 500mV | 5mA | - | - | SOP-8 | |
| USL3633 |
NON-ISOLATED BUCK OFFLINE LED DRIVER * Critical conduction mode operation * Internal 600V Power MOSFET * Ultra low operating current * No auxiliary winding * ±5% LED output current accuracy * LED short protection * LED open protection * VCC under voltage protection * Current sensing resistor short protection * Thermal regulation function |
16.8V | 500mV | 5mA | - | - | SOP-8 | |
| USL3633A | SOP-8 | |||||||
| USL3649 | DIP-7 | |||||||
| UL51A |
HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER * No transformer and high voltage electrolysis capacitor * Integrated high voltage startup power supply circuit * Adjustable output current, max 100mA * Inter-chip current deviation < ±5% * Efficiency: >90% * Power factor: >0.95 * THD<20% * Over temperature protection * Application system no EMI problems |
- | 900mV | 100mA | up to 90% | - | HSOP-8 | |
| UL52A |
HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER * No transformer and high voltage electrolysis capacitor * Integrated high voltage startup power supply circuit * Adjustable output current, max 60mA * Inter-chip current deviation < ±5% * Efficiency: >90% * Power factor: >0.95 * THD<20% * Over temperature protection * Application system no EMI problems |
- | 900mV | 60mA | up to 90% | - | HSOP-8 | |
| UL52B |
* No transformer and high voltage electrolysis capacitor * Integrated high voltage startup power supply circuit * Inter-chip current deviation < ±5% * Power factor: >0.95 * THD<20% * with OTP * Application system no EMI problems |
- | 900mV | 60mA | up to 90% | - | HSOP-8 | |
| UL52C |
* No transformer and high voltage electrolysis capacitor * Integrated high voltage startup power supply circuit * Adjustable output current, max 100mA * Inter-chip current deviation < ±5% * Efficiency: >90% * Power factor: >0.95 * THD<20% * Over temperature protection * Application system no EMI problems |
6.5V | - | 100mA | up to 90% | - | HSOP-8 | |
| UL62 |
HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER * 5mA ~ 60mA Output Current * Up to ± 4% Constant Current Accuracy * Built-in 700V Power MOSFET * No EMC Problem * Temperature Compensate * Thermal Shutdown |
- | 1000mV | 60mA | - | - | TO-252 | |
| UL66A |
* 5mA ~ 30mA Output Current * Up to ± 4% Constant Current Accuracy * No EMC Problem * Temperature Compensate * Thermal Shutdown |
- | 600mV | 30mA | - | - | TO-252 SOT-89 SOT-223 | |
| UL66B |
* 5mA ~ 40mA Output Current * Up to ± 4% Constant Current Accuracy * No EMC Problem * Temperature Compensate * Thermal Shutdown |
- | 600mV | 40mA | - | - | TO-252 SOT-89 SOT-223 | |
| UL66C |
HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER * 5mA ~ 60mA Output Current * Up to ± 4% Constant Current Accuracy * No EMC Problem * Temperature Compensate * Thermal Shutdown |
- | 600mV | 60mA | - | - | TO-252 SOT-89 SOT-223 HSOP-8 | |
| UL66D |
HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER * 5mA ~ 100mA Output Current * Up to ± 4% Constant Current Accuracy * No EMC Problem * Temperature Compensate * Thermal Shutdown |
6.5V | - | - | - | - | TO-252 SOT-89 SOT-223 | |
| UL66X |
HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER * Output Current is determined by the external MOSFET * Up to ± 4% Constant Current Accuracy * No EMC Problem * Temperature Compensate * Thermal Shutdown |
6.5V | - | - | - | - | SOT-25 | |
| UL67A | - | - | - | - | - | - | HSOP-8 | |
| UL67B | - | - | - | - | - | - | HSOP-8 | |
| UL67C |
ADAPTIVE CONDUCTION LINEAR DRIVER * 5mA ~ 60mA Output Current * Up to ± 4% Constant Current Accuracy * Built-in Power MOSFET * No EMC Problem * Temperature Compensate * Thermal Shutdown |
- | 600mV | 60mA | - | - | HSOP-8 | |
| UL68A |
HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER * 5mA ~ 30mA Output Current * Up to ± 3% Constant Current Accuracy * No EMC Problem * Temperature Compensate * Thermal Shutdown |
6.5V | 600mV | 30mA | - | - | TO-252 SOT-89 SOT-223 | |
| UL68B |
* 5mA ~ 60mA Output Current * Up to ± 3% Constant Current Accuracy * No EMC Problem * Temperature Compensate * Thermal Shutdown |
- | 600mV | 60mA | - | - | TO-252 SOT-89 SOT-223 | |
| UL68C |
HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER * 5mA ~ 60mA Output Current * Up to ± 3% Constant Current Accuracy * No EMC Problem * Temperature Compensate * Thermal Shutdown |
6.5V | 600mV | 60mA | - | - | TO-252 SOT-89 SOT-223 | |
| UL68D |
HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER * 5mA ~ 100mA Output Current * Up to ± 3% Constant Current Accuracy * No EMC Problem * Temperature Compensate * Thermal Shutdown |
6.5V | 600mV | 100mA | - | - | TO-252 SOT-89 SOT-223 | |
| UL69B |
HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER * 5mA ~ 60mA Output Current * Up to ± 3% Constant Current Accuracy * Built-in Power MOSFET * No EMC Problem * Temperature Compensate * Thermal Shutdown |
- | 500mV | 60mA | - | - | HSOP-8 | |
| UL75 |
ADAPTIVE CONDUCTION LINEAR DRIVER * Adaptive Conduction. * Wide Range, Programmable LED Voltage * Output LED Current available from 50mA to 100mA * Can be Paralleled for Higher Current * 5V to 500V Supply Voltage Range * High Efficiency * Stable LED Brightness * Over Temperature Protection * Patent Pending Drive Architecture * Low THD |
- | 600mV | 100mA | - | - | HSOP-8 | |
| UL82A |
NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC * The integrated 500V power mos. * The integrated high voltage power supply function. * The inductor current critical continuous mode. * Without auxiliary winding detection and power supply. * The wide voltage input voltage. * ±5% LED output current accuracy. * The LED short circuit and open circuit protection. * The chip power supply under voltage protection. * The regulating function of overheating |
- |
600mV (Current Sense) |
200mA | up to 88% | - | SOT-23-3 SOT-23 SOT-89 HSOP-8 TO-92 | |
| UL82B |
NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC * The integrated 500V power mos. * The integrated high voltage power supply function. * The inductor current critical continuous mode. * Without auxiliary winding detection and power supply. * The wide voltage input voltage. * ±5% LED output current accuracy. * The LED short circuit and open circuit protection. * The chip power supply under voltage protection. * The regulating function of overheating |
7.0V~8.0V |
600mV (Current Sense) |
200mA | up to 88% | - | SOT-23-3 SOT-23 SOT-89 HSOP-8 TO-92 | |
| UL82C |
NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC * The integrated 500V power mos. * The integrated high voltage power supply function. * The inductor current critical continuous mode. * Without auxiliary winding detection and power supply. * The wide voltage input voltage. * ±5% LED output current accuracy. * The LED short circuit and open circuit protection. * The chip power supply under voltage protection. * The regulating function of overheating |
7.0V~8.0V |
600mV (Current Sense) |
200mA | up to 88% | - | SOT-23-3 SOT-23 SOT-89 HSOP-8 TO-92 | |
| UL92A | - | - | - | - | - | - | TO-92 | |
| UL92B | - | - | - | - | - | - | TO-92 | |
| UL92C | - | - | - | - | - | - | TO-92 | |
| UL96A | NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC | 6.0V~7.2V |
600mV (Current Sense) |
2mA | up to 88% | - | SOP-8 | |
| UL96B | - | - | - | - | - | - | SOP-8 HSOP-8 | |
| UL96C | - | - | - | - | - | - | SOP-8 HSOP-8 | |
| UL98A |
* The integrated 500V power mos. * The integrated high voltage power supply function. * The inductor current critical continuous mode. * Without auxiliary winding detection and power supply. * The wide voltage input voltage. * ±5% LED output current accuracy. * The LED short circuit and open circuit protection. * The chip power supply under voltage protection. * The regulating function of overheating |
6.0V~7.2V |
600mV (Current Sense) |
2mA | up to 88% | - | SOT-23 | |
| UL98B |
* The integrated 500V power mos. * The integrated high voltage power supply function. * The inductor current critical continuous mode. * Without auxiliary winding detection and power supply. * The wide voltage input voltage. * ±5% LED output current accuracy. * The LED short circuit and open circuit protection. * The chip power supply under voltage protection. * The regulating function of overheating |
6.0V~7.2V |
600mV (Current Sense) |
2mA | up to 88% | - | SOT-23 | |
| UL98C |
* The integrated 500V power mos. * The integrated high voltage power supply function. * The inductor current critical continuous mode. * Without auxiliary winding detection and power supply. * The wide voltage input voltage. * ±5% LED output current accuracy. * The LED short circuit and open circuit protection. * The chip power supply under voltage protection. * The regulating function of overheating |
6.0V~7.2V |
600mV (Current Sense) |
2mA | up to 88% | - | SOT-23 | |
| UL143 | - | - | - | - | - | - | SOT-26 | |
| UL144 | - | - | - | - | - | - | SOT-26 | |
| UC4107 |
TWO-STAGE HYSTERETIC LED DRIVER CONTROLLER * Topology: Boost+Buck * Input Voltage Range: 4.5V~40V * Adjustable Peak Input Current Control * Adjustable Boost Output Voltage * Independent Dual Stage Function * Adjustable LED Current * LED Current Accuracy: ±5% * Input Under Voltage Lockout Detection * Thermal Shutdown Protection |
4.5V~40.0V | 240mV | - | - | - | SOP-8 HSOP-8 | |
| UL1030 |
3 CHANNEL CONSTANT-CURRENT DRIVER AND GREY-LEVEL MODULATE OUTPUT * 3 channel driver output, maxim current per channel is 45mA,LED light voltage can reach 12V * Output adopt In-Rush online feedback constant-current driver structure, compatible with constant-voltage module, it also can contact outside equipment and transfer to higher voltage or current output driver. * Built-in LDO voltage-stabilizing circuit, voltage range : 3~8V,and have 5V stabilizing voltage output * Adopt self-add token ring technology dual shift line, shift clock can reach 25MHz * Directly input grey-level data, it is transfer to 256 output with reverse-gamma regulator after inside SUPER-PWM technology, e. g, adopt built-in oscillator as grey-level clock, it support FREE-RUN module output, especially can be used in low-cost controller * Data clock signal is drived strongly to next chip to enhance level after built-in phase-lock circuit * High-voltage CMOS technology, industrial design, with extra-good interference immunity |
3.0V~8.0V | - | 45mA | - | - | SOP-16 | |
| UL318 |
SERIAL-INTERFACED 10-DIGIT LED CONTROLLER IC WITH KEYSCAN * LED driver with 17 outputs (14 segments/8 digits~13 segments/4 digits) * Output pins connected directly to the LEDs * Key-scanning (10 x 2 matrix) * 3-wire serial bus interface (CLK, STB, DIO) * 8-step dimming circuit to control the overall display brightness * Inputs with Schmitt trigger give superior noise immunity * 5.0 V (± 10%) for VDD * Drives common-anode LED digits * Built-in power on reset circuits * Built-in pull-up resistor (CLK,STB,DIO) |
4.5V~5.5V | - | 5mA | - | - | SOP-28 | |
| UL319 |
SERIAL-INTERFACED 16-DIGIT LED CONTROLLER IC WITH KEYSCAN * LED driver with 24 outputs (16 segments/8 digits) * Output pins connected directly to the LEDs * Key-scanning (8 x 4 matrix) * 3-wire serial bus interface (CLK, STB, DI/O) * 8-step dimming circuit to control the overall display brightness * Inputs with Schmitt trigger give superior noise immunity * 5.0 V (± 10%) for VDD * Drives common-anode LED digits * Built-in power on reset circuits * Built-in pull-up resistor (CLK,STB,DOUT) |
4.5V~5.5V | - | 5mA | - | - | QFP-44(10x10) | |
| UL319B |
SERIAL-INTERFACED 14-DIGIT LED CONTROLLER IC WITH KEYSCAN * LED driver with 22 outputs (14 segments/8 digits) * Output pins connected directly to the LEDs * Key-scanning (8 x 2 matrix) * 3-wire serial bus interface (CLK, STB, DI/O) * 8-step dimming circuit to control the overall display brightness * Inputs with Schmitt trigger give superior noise immunity * 5.0 V (± 10%) for VDD * Drives common-anode LED digits * Built-in power on reset circuits * Built-in pull-up resistor (CLK,STB,DI/O) |
4.5V~5.5V | 5mA | SOP-32 | ||||
| UL1628 | - | - | - | - | - | - | SOP-28 SOP-32 QFP-44 | |
| UL8024X | - | - | - | - | - | - | SOP-28 DIP-7 | |
| ULW3591 | - | - | - | - | - | - | SOP-8 | |
| ULS504 | - | - | - | - | - | - | DFN2020-8 | |
3. LED Display Driver IC
Part No.
Features
VIN(Range)(V)
VFB(Typ)
Iout/POUT
Efficiency
Switching Freq.
Package
USL250X
* High precision constant current regulation at universal AC input
* Support system application with PF>0.7 and no flicking
* Sense and supply without auxiliary winding inductance
* Low system cost and high efficiency
* Low operation current
* Programmable CC regulation
* Transition mode operation
* LED string short circuit protection
* Cycle-by-Cycle current limiting
* Built-in Leading Edge Blanking (LEB)
* VDD Under Voltage Lockout with Hysteresis
* Over temperature protection (OTP)
8V ~ 10.5 V
500mV
-
-
-
SOP-8 DIP-8
L3010
1A High Power LED Driver with 4.5~40V Input
* 4.5~40V input voltage range
* Maximum 1A output current
* 0.25Ω built-in power MOSFET
* 280kHz fixed frequency
* Excellent constant current accuracy ±1%
* High efficiency up to 96%
* Thermal shutdown
* Cycle-by-cycle over current protection
4.5V~40.0V
Vin-Vsense
88mV
Ilimit
2.1A(Typ)
up to 96%
280KHz(Typ)
SOP-8
L3012
1A High Power LED Driver with 4.5~40V Input with ADJ & PWM Dimming Function
* 4.5~40V input voltage range
* Maximum 1A output current
* 0.15Ω built-in power MOSFET
* 280kHz fixed frequency
* Excellent constant current accuracy ±1%
* Thermal shutdown
* Cycle-by-cycle over current protection
* PWM dimming function
6.0V~36.0V
Vin-Vsense
100mV
Ilimit
2.0A(Typ)
up to 96%
280KHz(Typ)
SOP-8
L3060
30V/500mA HIGH DIMMING RATIO LED CONSTANT CURRENT DRIVER
* 5V~30V input voltage range
* Simple low parts count
* Typical ±3% output current accuracy
* Up to 500mA output current
* Single DIM pin on/off and brightness control using DC voltage or PWM signal
* High efficiency up to 97%
* Adjustable constant LED current
* Protection features:
LED open-circuit protection
LED short-circuit protection
Internal thermal shutdown protection.
5.0V~30.0V
Vsense
100mV
Ilimit
0.5A(Max)
up to 97%
1MHz(Max)
SOT-25
L3080
30V/800mA INTEGRATED POWER LED DRIVER
* Up to 800mA output current
* High efficiency (up to 97%)
* Wide input voltage range: 5V~30V
* Typical ±5% output current accuracy
* Single DIM pin on/off and brightness control using DC voltage or PWM signal
* LED open-circuit protection
* LED short-circuit protection
* Internal thermal shutdown protection.
* Adjustable Constant LED Current
5.0V~30.0V
Vsense
100mV
Ilimit
0.8A(Max)
up to 97%
1MHz(Max)
SOT-89-5
L5100
Step-Up Converter for Drive up to Series 6 White LEDs
* Inherently Matched LED Current
* High Efficiency: 83% Typical
* Drives Up to Four LEDs from a 3.2V Supply
* Drives Up to Six LEDs from a 5V Supply
* 36V Rugged Bipolar Switch
* 1.2MHz Switching Frequency
* Uses Tiny 1mm Tall Inductors
* Output Capacitor can be Small to only 0.22μ F
2.5V~12.0V
95mV
320mA
83%(Typ)
1.2MHz(Typ)
SOT-25
L5101
Step-Up Converter for Drive Up to Series 5 White LEDs
* Open Circuit and Over Voltage Protection
* High Efficiency: 86% Typical
* Switching Frequency: 1.2MHz
* Supply Current is 1.0mA
* Matches LED Current
* Requires Tiny Inductor and Capacitors
* Halogen Free
2.5V~5.5V
95mV
20mA
86%(Typ)
1.2MHz(Typ)
SOT-26
L5102
Compact Backlight LED Boost Driver
2.7V~5.5V
200mV
50mA
up to 90%
-
SOT-25
L5106
1.5A Constant Current Switching Regulator for LEDs with ON/OFF Function
3.0V~40.0V
235mV
1.5A
-
150KHz(Typ)
DIP-8 SOP-8
L5200
Low Noise, Regulated Charge Pump DC-DC Converter
* Low Noise Constant Frequency Operation
* Output Current: 100mA
* 2MHz Switching Frequency
* 4.5V/5.0V Fixed Output Voltage
* VIN Range: 2.7V ~ VOUT
* Automatic Soft-Start.
* No Inductors
* Less than 1μA of Shutdown Current
2.7V~Vout
1.268V
150mA
80%(Typ)
0.7MHz(Min)
MSOP-8 SOT-26 TSOT-26
L6100
Flash Light LED Driver
2.7V~6.0V
-
120mA
Up to 90%
-
SOP-8 MSOP-8
UC3501
High Efficient Low Cost Flashlight LED Driver
* High efficiency:85%~90%
* Low cost
* Simply add-ins one inductor
0.9V~5.0V
-
100mA
80%(Min)
100KHz(Typ)
TO-92
LC3030
400KHz 42V Boost 2~12 Series 1~3W LED Units Constant Current Driver
3.6V~36.0V
230mV
2.0A
90%(Typ)
400KHz(Typ)
SOP-8
LD4040
4.0A 300KHz, 32V Buck DC/DC Converter with Constant Current Loop
3.6V~32.0V
0.8V
4.0A
90%(Typ)
300KHz(Typ)
TO-252-5
UPSS3601
High Precision PSR Constant Current AC DC LED Driver
7.5V~14.5V
1.3V
5W
up to 80%
-
SOP-8
UL13A
PRIMARY SIDE CONTROL CONSTANT CURRENT POWER SWITCH
*Primary-side Control No Opto -Coupler And TL431 Needed
*Application Voltage Range:90Vac~264Vac
*Internal Integration 730V Power MOSFET
*Accurate Constant-Current(CC) Control , Output Current in ±5%
*Lowest Component Number Needed
* Internal LEB
* Open/Short-LED Protection
*VDD Over-Voltage Protection (OVP)
*VDD Under-Voltage Lockout (UVLO)
6V
620mV
(Current Sense)
-
-
-
SOP-8
L4075
40V LED driver with internal switch
* 6V~40V input voltage range
* Simple low parts count
* Internal 40V power switch
* High efficiency up to 95%
* Typical 5% output current accuracy
* Single pin on/off and brightness control using DC voltage or PWM
* Up to 1MHz switching frequency
* Protection features:
Open-circuit LED Protection
Thermal shutdown Protection
6V~40V
-
350mA
up to 95%
154KHz(Typ)
SOT-25
L4120
40V/1.2A Integated Power LED Driver
* Up to 1.2A output current
* High efficiency (up to 97%)
* Wide input voltage range: 5V~30V
* Typical ±5% output current accuracy
* Single DIM pin on/off and brightness control using DC voltage or PWM signal
* Internal thermal shutdown protection.
* Adjustable Constant LED Current
6V~40V
115mV
1.2(Typ)
up to 97%
-
SOT-89-5
Part No.
Features
VIN
Maximum Rating
VOUT
Maximum Rating
Iout(mA)
IGND(mA)
Input Clock
Frequency
Package
L16B06
16 Bit Constant Current LED Driver
*Indoor/Outdoor LED Video Display
*LED Variable Message Signs (VMS) System
3.3V~5.0V
-0.3V~17.0V
70mA
1500mA
25MHz
SSOP-24
L16B40
16-BIT CONSTANT CURRENT LED DRIVER WITH BUILT-IN TO ELIMINATE THE GHOSTING
* Built-in to eliminate the ghosting
* Supply voltage range: 3.3V ~ 5.5V
* Constant output current range: 2 ~ 40mA
* Output voltage: 20V (Max.)
* Operating temperature range: -40°C ~ 85°C
* Output current accuracy:ICs: ±3.0% (Typ.)
3.3V~5.5V
-0.3V~20.0V
40mA
1000mA
30MHz
SSOP-24
L16B45
16-BIT CONSTANT CURRENT LED SINK DRIVER
* 16 constant-current output channels
* Constant output current invariant to load voltage change：
Constant output current range:
3~45mA @ VDD=5V
3~30mA @ VDD=3.3V
* Excellent output current accuracy:
between channels: ±3% (typ.),
between ICs: ±6% (typ.)
* Output current adjusted through an external resistor
* Fast response of output current, OE (min.): 300ns @ VDD=3.3V
* 25MHz clock frequency
* Schmitt trigger input
* 3.3V, 5V supply voltage
3.3V~5.5V
-0.5V~17.0V
90mA
1000mA
25MHz
SOP-24
L16B45A
16-BIT CONSTANT CURRENT LED SINK DRIVER
* 16 constant-current output channels
* Constant output current invariant to load voltage change：
Constant output current range:
3~45mA @ VDD=5V
3~30mA @ VDD=3.3V
* Excellent output current accuracy:
between channels: ±2.5% (max.),
between ICs: ±3.0% (max.)
* Output current adjusted through an external resistor
* Fast response of output current, OE (min.): 70ns @ VDD=3.3V
* 25MHz clock frequency
* Schmitt trigger input
* 3.3V/5V supply voltage
* Halogen Free
3.3V~5.5V
-0.5V~17.0V
45mA
720mA
25MHz
SSOP-24
L16B45B
16-BIT CONSTANT CURRENT LED SINK DRIVER
* 16 constant-current output channels
* Constant output current invariant to load voltage change:
Constant output current range:
0.6~45mA @ VDD=5V
0.6~35mA @ VDD=3.3V
* Output current adjusted through an external resistor
* Fast response of output current, OE : 20ns @ VDD=3.3V
* Schmitt trigger input
* 3.3V, 5V supply voltage
3.3V~5.0V
-0.5V~11.0V
45mA
720mA
35MHz
SSOP-24
UD8973
* Integrated ghosting effect elimination
* Greatly improve refresh rate
* Eliminate the caterpillar phenomena caused by LED leakage current and short circuit
* Short-circuit and over-current protection
0V~6.5V
-
3000mA
-
-
SOP-8
