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reference designUCC3895 | Demoboard PMP9622A

Texas Instruments UCC3895 | Demoboard PMP9622A

350W Constant Voltage - Constant Current (CVCC) Phase-Shifted Full Bridge reference design

Overview

TopologyFlyback Converter
Input voltage120 V
Output 144 V / 8 A
IC revisionA

Description

This reference design uses the UCC3895 Phase-Shifted Full Bridge controller to implement a high efficiency, 120VAC input to 44Vdc up to 8A output. The power supply is set up to be constant voltage-constant current. The voltage and current are set by fixed resistor values and could be set by micro-processor in the actual product. The design is biased by a low-cost BJT Flyback using the UCC28720 PWM controller.

Features

  • 120Vac input, 44Vdc @ 2-8A output

  • 92% efficiency achieved @ 8A

  • High-side Gate Drive Tranformers used for lowest cost implementation.
  • Low-cost BJT flyback used for design bias
  • Flexible setting of Voltage and Current levels by fixed resistor values or micro-processor in real design

More information

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750314445
SPECFlyback Transformer WE-FB
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Downloads4 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product series Flyback Transformer WE-FB
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