Product details

Control mode Secondary-side regulation Frequency (Max) (kHz) 130 UVLO thresholds on/off (V) 10.2/8 Duty cycle (Max) (%) 100 Features SSR, HV Start-up, DCM, Soft Start, OVP, Current Limiting Operating temperature range (C) -40 to 125 Rating Catalog Device type Controllers Topology Flyback
Control mode Secondary-side regulation Frequency (Max) (kHz) 130 UVLO thresholds on/off (V) 10.2/8 Duty cycle (Max) (%) 100 Features SSR, HV Start-up, DCM, Soft Start, OVP, Current Limiting Operating temperature range (C) -40 to 125 Rating Catalog Device type Controllers Topology Flyback
PDIP (P) 8 93 mm² 9.81 x 9.43 SOIC (D) 8 19 mm² 3.91 x 4.9
  • 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
    Response
  • Programmable Opto-Less Output Overvoltage
    Protection
  • Fast Latched Fault Recovery
  • 8-Pin SOIC Package and 8-Pin PDIP Lead-Free
    Packages
  • 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
    Response
  • Programmable Opto-Less Output Overvoltage
    Protection
  • Fast Latched Fault Recovery
  • 8-Pin SOIC Package and 8-Pin PDIP Lead-Free
    Packages

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.

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.

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Technical documentation

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Type Title Date
* Data sheet UCC28610 Green-Mode Flyback Controller datasheet (Rev. G) 30 Sep 2015
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
More literature Exposing the Inner Behavior of a Quasi-Resonant Flyback Converter 29 Oct 2013
Technical article Power Tips: when to use a BJT power switch 15 Oct 2013
Application note High-Efficiency AC-DC TV Power Solutions: An Intelligent LED Backlight Scheme 15 Jul 2011
User guide UCC28610EVM-474 25-W, 12-V Universal Offline Flyback Converter (Rev. C) 24 Jun 2011
Application note A High Efficiency Synchronous Rectifier Flyback for High Density AC/DC Adapter 03 Jun 2011
More literature Seminar 300 Topic 8 - Switching Power Supply Design Review 15 Feb 2001
More literature Seminar 400 Topic 2 - Design of Flyback Transformers and Filter Inductors 15 Feb 2001

Design & development

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Evaluation board

UCC28610EVM-474 — 25-W Universal Off-Line Flyback Converter Evaluation Module

The UCC28610EVM-474 evaluation module is a 25-W off-line Discontinuous Mode (DCM) flyback converter providing 12 V at 2.1-A maximum load current, operating from a universal AC input. The module is controlled with the UCC28610 Green-Mode Flyback Controller which uses a cascoded architecture that (...)

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UCC28610 Design Calculator (Rev. G)

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