PMP11216

Synchronous Rectifier Controller Daughter Board Reference Design

PMP11216

Design files

Overview

The UCC24630 SR controller is a high performance controller and driver for N-channel MOSFET power devices used in secondary side synchronous rectification. Using a volt-second balance control method, the UCC24630 is ideal for flyback power supplies over a wide output voltage range since the IC is not directly connected to the MOSFET drain. The SR drive turn off threshold is not depenant on the MOSFET RDSON which allows optimizing for maximum conduction time.

Features
  • Optimized for 5V to 24V Flyback Systems
  • Wide VDD range from 3.6V to 28V
  • Volt-Second Balance SR On Time Control
  • Minimize Effect of MOSFET and Layout Inductance
  • CCM Operation Compatibility
  • Auto Low Power Detect and 110uA Standby Mode Current
Output voltage options PMP11216.1
Vin (Min) (V) 90
Vin (Max) (V) 264
Vout (Nom) (V) 20
Iout (Max) (A) 3.4
Output Power (W) 68
Isolated/Non-Isolated Isolated
Input Type AC
Topology Flyback- DCM
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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.

TIDUA59.PDF (698 K)

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

TIDRFC2.PDF (22 K)

Detailed schematic diagram for design layout and components

TIDRFC8.PDF (46 K)

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

TIDRFC9.PDF (119 K)

Detailed overview of design layout for component placement

TIDCAH6.ZIP (170 K)

Design file that contains information on physical board layer of design PCB

TIDRFD0.PDF (177 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

N-channel MOSFETs

CSD19531Q5A100-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 6.4 mOhm

Data sheet: PDF | HTML
SR & load share controllers

UCC24630Synchronous rectifier controller With Ultra Low Standby current

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Test report PMP11216 Test Results Jun. 19, 2015

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