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reference designUCC28722DBV | Demoboard PMP10397

Texas Instruments UCC28722DBV | Demoboard PMP10397

Ultra-wide Input range, Dual Output, Offline AC/DC Bias Supply with PSR control and BJT switch

Overview

TopologyFlyback Converter
Input voltage85-528 V
Output 15 V / 0.3 A
Output 215 V / 0.1 A
IC revisionA

Description

This design uses low cost primary side regulation (PSR) IC UCC28722 with a bipolar transistor for ultra-wide input range applications (85VAC to 528VAC). Two outputs with separated grounds, 5V/0.3A and 16.5V/0.1A are generated.

Features

  • Ultra-wide AC input range: 85VAC-528VAC
  • Dual Output with separated grounds, 5V/0.3A and 16.5V/0.1A
  • 3W Maximum output power rating at efficiency of 63.6% at 85Vac, 61.7% at 528Vac
  • Low cost, 800V bipolar transistor as primary switch for Flyback converter
  • Total 18% output cross-regulation on 5V rail, from no load to full-load
  • Total 13% output cross-regulation on 15V rail, from no load to full-load

More information

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7447462101
SPECWE-TI Radial Leaded Wire Wound Inductor, 100 µH, 0.8 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TI Radial Leaded Wire Wound Inductor
Inductance100 µH
Rated Current0.8 A
Saturation Current @ 10%0.8 A
DC Resistance0.65 Ω
Self Resonant Frequency7.1 MHz
VersionHeat Shrinking Tube 
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