首页 > 产品中心Primary Side Regulation Green Mode PWM Controller
Part No.
Features
Function
VCC
UVLO (Typ.)
IST
CS(V)
ICOMP_CABLE
FOSC
Package
Max.
VTH(ST)
VOPR
Typ.
Typ.
Typ.
Green
Typ.
UPSR100*
High Precision CC/CV Primary Side Regulator
DCM Flyback Converters,
Hopping Technology,Driver BJT Switch
CC/CV, PFM, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
30.0V
18.5V
7.5V
90uA
0.52V
-
DCM
SOP-8
PFM
UPSR01*
-
-
-
-
-
-
-
-
-
SOT-26
-
UPSR101*
High Precision CC/CV Primary Side Regulator
DCM Flyback Converters,
Hopping Technology,Driver MOSFET
Cable Compensation Pin Vc
CC/CV, PFM, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
30.0V
14.8V
9.0V
1uA
0.50V
25uA
DCM
SOT-26
PFM
UPSR104
High Precision CC/CV Primary Side Regulator
* Primary-side Sensing and Regulation Without TL431 and Opto-coupler
* Programmable CV and CC Regulation
* Adjustable Constant Current and Output Power Setting
* Built-in Primary winding inductance compensation
* Power on Soft-start
* Built-in Leading Edge Blanking (LEB)
* Cycle-by-Cycle Current Limiting
DCM Flyback Converters,
Hopping Technology,Driver MOSFET
CC/CV, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
29.0V
14.8V
9.0V
5uA
0.91V
37uA
Comp=5V
SOT-26
50KHz
60KHz
UPSR104A
HIGH PRECISION OFF-LINE LED CONTROLLER
* Primary-side Sensing and Regulation Without TL431 and Opto-coupler
* Programmable CC Regulation
* Built-in Secondary Constant Current Control with Primary Side Feedback
* Power on Soft-start
* Built-in Leading Edge Blanking (LEB)
* Cycle-by-Cycle Current Limiting
DCM Flyback Converters,
Hopping Technology,Driver MOSFET
CC, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
29.0V
14.8V
9.0V
5uA
0.8V
-
Comp=5V
SOT-26
50KHz
60KHz
UC1100
LOW-POWER HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR
* Tight CC regulation performance
* Eliminates opto-coupler and secondary CV/CC control circuitry
* Flyback topology in DCM operation
* Open feedback protection
* Built-in soft start
Flyback Converters,
Hopping Technology,BJT Switch
CC/CV, PFM,And build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
36.0V
18.5V
9.0V
3uA
0.51V
25uA
-
SOT-26
-
UC1103
High Precision CC/CV Primary Side Regulator
* High voltage startup
* Primary side control without TL431 and opto-coupler
* Programmable CV and CC regulation
* Programmable cable compensation in CV mode
* Flyback topology in DCM operation
* Built-in leading edge blanking
* Cycle-by-cycle current limiting
Flyback Converters,
Hopping Technology,Driver MOSFET
CC/CV, PFM, High Voltage I/P,
And build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
30.0V
14.5V
9.0V
5uA
0.80V
25uA
Min.→CCM→DCM
SOP-8
370Hz→13KHz→50KHz
UC1108
LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER
* Primary side control for eliminating opto-coupler and secondary CV/CC control circuitry
* Proprietary CC tightening technique to achieve vertical CC profile
* Compensation for external component temperature variations
* Flyback topology in DCM operation
* Built-in soft start
Flyback Converters,
Hopping Technology,Driver MOSFET
CC/CV, PFM, High Voltage I/P,
And build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
36.0V
18.5V
9.2V
0.6uA
0.513V
200uA
-
SOP-8
-
UPSRB01
High Precision CC/CV Primary Side Regulator
* Primary side control without TL431 and opto-coupler
* Programmable CV and CC regulation
* Flyback topology in DCM operation
* Driver BJT switch
* Programmable cable drop compensation
* Built-in leading edge blanking
DCM Flyback Converters,
Hopping Technology,Driver BJT Switch
Cable Compensation Pin Vc
CC/CV, PFM, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
30.0V
12.5V
6.8V
1uA
0.50V
45uA
DCM
SOT-26
PFM
UPSRB01A
High Precision CC/CV Primary Side Regulator
* Primary side control without TL431 and opto-coupler
* Programmable CV and CC regulation
* Flyback topology in DCM operation
* Driver BJT switch
* Built-in primary winding inductance compensation
DCM Flyback Converters,
Hopping Technology,Driver BJT Switch
Cable Compensation Pin Vc
CC/CV, PFM, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
30.0V
12.5V
6.8V
1uA
0.50V
-
-
SOT-26
-
UPSRB01B
High Precision CC/CV Primary Side Regulator
* Primary side control without TL431 and opto-coupler
* Programmable CV and CC regulation
* Eliminates control loop compensation circuitry
* Flyback topology in DCM operation
* Driver BJT switch
* Built-in primary winding inductance compensation
DCM Flyback Converters,
Hopping Technology,Driver BJT Switch
Cable Compensation Pin Vc
CC/CV, PFM, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
30.0V
12.5V
6.8V
1uA
0.50V
-
-
SOT-26
-
UPSRB02
High Precision CC/CV Primary Side Regulator
* Primary side control without TL431 and opto-coupler
* Programmable CV and CC regulation
* Flyback topology in DCM operation
* Driver BJT switch
* Programmable cable drop compensation
* Audio noise free operation
* Improved dynamic response
DCM Flyback Converters,
Hopping Technology,Driver BJT Switch
Cable Compensation Pin Vc
CC/CV, PFM, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
30.0V
12.5V
6.8V
1uA
0.45V
27uA
DCM
SOT-26
PFM
UPSRB03
High Precision CC/CV Primary Side Regulator
* Multi-Mode control for cancel audio noise
* Primary side control without TL431 and opto-coupler
* Programmable CV and CC regulation
* Flyback topology in DCM operation
* Driver BJT switch
* Built-in leading edge blanking
DCM Flyback Converters,
Hopping Technology,Driver BJT Switch
CC/CV, PFM, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
30.0V
18.0V
6.5V
3uA
0.50V
60uA
-
SOT-25
-
UPSRB04*
-
-
-
-
-
-
-
-
-
SOT-25
-
