PMP8832

Primary-Side Regulated Flyback with 85 to 265VAC Input (12V @ 1.1A) Reference Design

PMP8832

Design files

Overview

The PMP8832 reference design uses the UCC28700 primary-side regulated flyback controller to generate a 12V/1.1A output from a universal AC input. The valley switching of the UCC28700 allows this low-cost design to achieve an average efficiency greater than 83%; no load losses are less than 40mW.

Features
  • Low cost - Primary Side Regulation eliminates opto and TL431
  • Passes class B conducted emissions without a common-mode inductor
  • No load power consumption is below 40mW
Output voltage options PMP8832.1
Vin (Min) (V) 85
Vin (Max) (V) 265
Vout (Nom) (V) 12
Iout (Max) (A) 1.1
Output Power (W) 13.2
Isolated/Non-Isolated Isolated
Input Type AC
Topology Flyback- DCM^Flyback- Non Sync^Flyback- Quasi Resonant

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

SLUUAV2A.PDF (2643 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

SLURAM1A.PDF (121 K)

Detailed schematic diagram for design layout and components

SLURAM2A.PDF (79 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

Technical documentation

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Type Title Date
* Test report PMP8832 Revision C Test Results (Rev. A) Nov. 02, 2015

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