Primary Side Regulation Green Mode PWM Controller  
Part No. Features Function VCC UVLO (Typ.) IST CS(V) Icomp_
CABLE
FOSC Package
Max. Vcc(ON) Vcc(OFF) Typ.  Typ.  Typ. Typ.
UPSR104 High Precision CC/CV Primary Side Regulator

* Programmable CV and CC Regulation
* Adjustable Constant Current and Output
   Power Setting
* Built-in Primary winding inductance compensation
* 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 65KHz SOT-26
UPSR108 HIGH PRECISION CC/CV PRIMARY-SIDE PWM
CONTROLLER WITH FAST DYNAMIC RESPONSE

* ±5% CC and CV Precision
* Easily Meet EPS Level 6
* QR Mode Control for High Efficiency and Low EMI
* Programmable CV and CC Regulation
* Less than 100mW Standby Power
* Programmable Cable drop Compensation
* Pin Floating Protection
* Fast Dynamic Response
Driver MOSFET
CC/CV, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
35.0V 15.5V 9.5V 2.0uA 0.5V 67uA - SOT-26
UPSR107 HIGH PRECISION CC/CV PRIMARY-SIDE PWM
CONTROLLER

* ±5% CC and CV Precision
* Easily Meet EPS Level 6
* QR Mode Control for High Efficiency and Low EMI
* Programmable CV and CC Regulation
* Less than 70mW Standby Power
* Programmable Cable drop Compensation
* Pin Floating Protection
Driver MOSFET
CC/CV, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
35.0V 15.5V 9.5V 2.0uA 0.5V 40uA - SOT-26
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
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

* HV-startup
* 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 16.0V 9.0V 0.6mA
(HV_Pin)
0.80V  25uA 50KHz SOP-8
UPSRB01 High Precision CC/CV Primary Side Regulator

* 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 0.46V  26uA - SOT-26
UPSRB02 High Precision CC/CV Primary Side Regulator

* 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 - SOT-26
UPSRB03 High Precision CC/CV Primary Side Regulator

* Multi-Mode control for cancel audio noise
* 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
UPSR105* * 10mW No-load Input Power
* External Adjustable Line Compensation for CC
* External Adjustable Cable Compensation for CV
* VCS Jitter to Reduce System EMI
* Valley-on for the Higher Efficiency and Better EMI
-Transformer Saturation Protection (TSP) via Primary
Peak
* Matching 2nd-side synchronous rectification with
Schottky Synchronous Rectifier Solution
DCM Flyback Converters,
Hopping Technology,Driver MOSFET
CC/CV, and build in OVP, OLP, UVLO, OCP, SCP, LEB, Soft Start Etc.
30V 13V 5.9V 0.5uA 0.565V - 80KHz
(MAX)
SOP-8
*Under  Development