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
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.CCMDCM SOP-8
370Hz13KHz50KHz
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
-
*: Under  Development