首页 > 产品中心Voltage Mode PWM Controller
Part No.
Features
Function
VCC(Operating)
Frequency
Duty Cycle
Output
Package
Min.
Max.
Min.
Max.
Max.
Type
IO(Max.)
L2800
Low Voltage Switching Regulator Controller
*Wide supply voltage operating range: 1.8V~15V
*High speed operation is possible: Maximum 1MHz
*The error amplifier gain is set inside the IC, so peripheral components are minimized.
*Incorporates a soft start circuit.
*Incorporates a stand-by function.
Output Current Setting, Control Pin,
SCP, Soft Start.
1.8V
15.0V
10KHz
1MHz
85%
Totem-pole
40mA
SOP-8 TSSOP-8
TL5001
Pulse width Modulation Control Circuits
* Complete PWM power control
* Internal under voltage-lockout circuit
* Internal short-circuit protection
* Oscillator frequency : 20kHz to 500kHz
* Variable dead timer provides control over total range
Output Dead Time Control, SCP,UVLO.
3.6V
40.0V
20KHz
500KHz
100%
Open Collector
20mA
DIP-8 SOP-8
BA9741
Two-Channel Switching Regulator Controller
*Time-latch, short-circuit protection circuit
*Miss-operation prevention circuit for low-voltage input
*Reference voltage with output (2.5V)
Dual Output Dead Time Control, SCP,UVLO.
3.6V
35.0V
10KHz
800KHz
65%
Common Emitter
100mA
DIP-16 SOP-16 TSSOP-16
TL1451
Dual Pulse width Modulation Control Circuits
*Completely synchronized operation
*Internal undervoltage lockout protection
*Internal Short-Circuit protection
*Variable dead time provides control over total range
*Internal regulator provides a stable 2.5V reference supply
Dual Output Dead Time Control, Synchronized, SCP,UVLO.
3.6V
50.0V
1KHz
350KHz
100%
Common Emitter
20mA
DIP-16 SOP-16 TSSOP-16
U9751B
Double Channels PWM Controller
* Switch frequency: 400KHz
* Wide work voltage
* Programmable dead-time control
* UVLO protection
* SCP protection
Dual Output Dead Time Control,
SCP, UVLO.
-
38.0V
CT=220PF,RT=10KΩ
100%
Common Emitter
400mA
DIP-16 SOP-16 SSOP-16
TYP=400KHz
U8021
Voltage Mode PWM Controller with Linear Power
Regulator for Synchronous Buck Converter
* Internal LDO
* Programmable output voltages
* Internal soft start
* Under voltage lockout
* Short circuit protection
Synchronized Buck Converter, Internal LDO, SCP,OCP, UVLO, Soft Start
4.0V
16.0V
500KHz
700KHz
97%
Totem-pole
IDRIVE=1.5A
SOP-14
TL494
Voltage Mode PWM Control IC
* Uncommitted outputs for 200mA sink or source current
* Output control selects single ended or push pull operation
* Internal circuitry prohibits double pulses over total range
* Easy synchronization
Half Bridge/Push Pull/Single End,
Vref=±5% Dead Time Control
7.0V
40.0V
1KHz
300KHz
50%
Common Emitter
200mA
DIP-16 SOP-16 TSSOP-16
Emitter Follow
TL594
Pulse-Width-Modulation Control Circuit
* Adjustable dead time
* Single-Ended or Push-Pull operation selected by output control
* Double pulse is not allowed at either output due to its architecture
* 5V Internal reference voltage (1% accuracy)
* UVLO under the low VCC status
Half Bridge/Push Pull/Single End,
Vref=±1% Dead Time Control
7.0V
40.0V
1KHz
300KHz
50%
Common Emitter
200mA
DIP-16 SOP-16
Emitter Follow
UA7500B*
Voltage Mode PWM Control IC
Half Bridge/Push Pull/Single End,
Vref=±5% Dead Time Control
7.0V
40.0V
1KHz
300KHz
50%
Common Emitter
200mA
DIP-16 SOP-16
Emitter Follow
51494
Voltage Mode PWM Control IC with Power Good Signal
* Fully integrated with compact 16-pin dip
* Built-in power good delay and power fail lead function.
* Power good delay time is linearly.
* Proportional to external capacitor value.
Half Bridge/Push Pull,
Vref=±5%, PG, PF Dead Time Control
-
42.0V
CT=0.01uF,RT=12KΩ
45%
Common Emitter
250mA
DIP-16 SOP-16
TYP=10KHz
U3525
PWM controller IC, PWM latching
* Adjustable dead time control
* Internal soft-start
* Pulse-by-pulse shutdown
* Input under-voltage lockout with hysteresis
* Latching PWM to prevent multiple pulses
Half Bridge/Push Pull,Vref=±1%,
Sync Teminal, Dead Time Control, Pulse By Pulse Shutdown, UVLO, Soft Start
8.0V
35.0V
100Hz
400KHz
49%
Totem-pole
500mA
DIP-16 SOP-16
