(ACTIVE) 12-65W Green-mode Flyback Power Supply Controller


Functional Diagram


The UCC28610 brings a new level of performance and reliability to the AC and DC consumer power supply solution.

A PWM modulation algorithm varies both the switching frequency and primary current while maintaining discontinuous or transition mode operation over the entire operating range. Combined with a cascoded architecture, these innovations result in efficiency, reliability, and system cost improvements over a conventional flyback architecture.

The UCC28610 offers a predictable maximum power threshold and a timed response to an overload, allowing safe handling of surge power requirements. Overload fault response is user-programmed for retry or latch-off mode. Additional protection features include output overvoltage detection, programmable maximum on-time, and thermal shutdown.


  • Cascoded Configuration Allows Fully Integrated
    Current Control Without External Sense Resistor
  • Fast Start Up With Low Standby Power Achieved
    by Cascode Configuration
  • Frequency and Peak Current Modulation for
    Optimum Efficiency Over Entire Operating Range
  • Green-Mode (GM) Burst Switching Packets
    Improve No-Load Efficiency
  • Advanced Overcurrent Protection Limits RMS
    Input and Output Currents
  • Thermal Shutdown
  • Timed Overload With Retry or Latch-Off
  • Programmable Opto-Less Output Overvoltage
  • Fast Latched Fault Recovery
  • 8-Pin SOIC Package and 8-Pin PDIP Lead-Free


Control Method Current    
Duty Cycle (Max) (%) 100    
Frequency (Max) (kHz) 130    
UVLO Thresholds On/Off (V) 10.2/8    
Features SSR^HV Start-up^DCM    
Operating Temperature Range (C) -40 to 125    
Package Group PDIP|8^SOIC|8    
Rating Catalog    
Package Size: mm2:W x L (PKG) See datasheet (PDIP)^8SOIC: 29 mm2: 6 x 4.9 (SOIC|8)    

Companion Products

Technical Documents

Datasheet (1)

Application notes (2)

User guides (1)

Selection guides (1)

More literature (3)

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