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reference designUCC28911 | Demoboard PMP30070

Texas Instruments UCC28911 | Demoboard PMP30070

Universal Input to 12V@670mA & -10V@50mA Isolated Flyback with Integrated Switch Reference Design

Overview

TopologyFlyback Converter
Input voltage90-270 V
Output 112 V / 0.67 A
Output 2-10 V / 0.05 A
IC revisionC

Description

A quasi-resonant primary-side regulated Flyback supplies an isolated output 12V @ 670mA and non-isolated output -10V @ 50mA from universal input voltage (90Vac to 270Vac). The controller integrates 700V FET and the board is able to withstand up to 350VAC without damage and switches OFF for Vin > 285VAC

Features

Simple isolated PSR flyback converter with integrated 700V FETCompact solution supplies 8.5W with almost flat efficiency (70%...81%) from 5% to 100% loadOpto-less topology increases the reliability of the power supplyGood cross-regulation performance between outputs (+/-5% on main output)

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L(µH)
IR(A)
ISAT,10%(A)
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7447462102
SPECWE-TI Radial Leaded Wire Wound Inductor, 1000 µH, 0.25 A
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TI Radial Leaded Wire Wound Inductor
Inductance1000 µH
Rated Current0.25 A
Saturation Current @ 10%0.27 A
DC Resistance6 Ω
Self Resonant Frequency2.3 MHz
VersionHeat Shrinking Tube 
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7508110347
SPECTransformer, 1200 µH, –
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Downloads4 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product series Transformer
Inductance1200 µH
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