PMP8688

Small Automotive High Input Voltage 3-W Isolated Flyback, 50 V…600 Vin to 15 V @ 200 mA Re

PMP8688

Design files

Overview

This simple isolated flyback converts 50V…600Vin to 15V@200mA. The LM5021-1 controller is suitable for green mode converters due to pulse skip mode. Since the input maximum voltage is 600V, the pulse skip mode improves the efficiency due to the reduction of the switching losses.

Features
  • Wide Vin capability (50 to 600V DC)
  • Duty cycle restriction to 80%
  • 84% full load efficiency
  • Less than 70mW consumed at no load
  • Pulse skipping mode resulting in reduction of switching losses
  • Low component count (as there is no need for external slope compensation) with LM5021-1
Output voltage options PMP8688.1
Vin (Min) (V) 50
Vin (Max) (V) 600
Vout (Nom) (V) 15
Iout (Max) (A) .2
Output Power (W) 3
Isolated/Non-Isolated Isolated
Input Type DC
Topology Flyback- Non Sync

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.

SNVU429.PDF (581 K)

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

SNVR444.PDF (177 K)

Detailed schematic diagram for design layout and components

SNVR445.PDF (36 K)

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

TIDC802.ZIP (47 K)

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

Products

Includes TI products in the design and potential alternatives.

Flyback controllers

LM502130V, 1MHZ current mode PWM controller

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP8688 Test Results Apr. 18, 2014

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