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reference designUCC28740 | Demoboard PNDM17P650A1

PN Junction Semiconductor UCC28740 | Demoboard PNDM17P650A1

65W High Voltage Auxiliary Power Supply Reference Design

Overview

TopologyFlyback Converter
Input voltage300-1000 V
Output 124 V / 2.7 A
IC revision1.1

Description

For the power conversion system of three-phase power supply (400Vac~690Vac), a 65W/24V industrial auxiliary power supply evaluation board with a DC bus voltage range of 300Vdc~1000Vdc is designed. The use of PINJ 1700V SiC MOSFET (P3M173K0K3) can simplify circuit design, significantly improve efficiency, reduce the volume and weight of auxiliary power supply, and help industrial equipment achieve significant miniaturization, high reliability and energy saving.

Features

  • Over voltage protection
  • Input under voltage protection
  • Over current protection

Typical applications

  • EV-charger
  • UPS

More information

Parts approved by PN Junction Semiconductor

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IR(A)
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7440660015
SPECWE-TPC SMT Tiny Power Inductor, 1.5 µH, 9.6 A
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Downloads9 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-TPC SMT Tiny Power Inductor
Inductance1.5 µH
Rated Current9.6 A
Saturation Current10 A
Self Resonant Frequency65 MHz
MountSMT 
DC Resistance7.5 mΩ
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7447471102
SPECWE-TIS Radial Leaded Wire Wound Inductor, 1000 µH, 0.46 A
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Downloads9 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-TIS Radial Leaded Wire Wound Inductor
Inductance1000 µH
Rated Current0.46 A
Saturation Current0.68 A
Self Resonant Frequency1.1 MHz
MountTHT 
DC Resistance2500 mΩ
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750344810
SPECFlyback Transformer, –, –
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product series Flyback Transformer
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