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Power Integrations INN3679C-H606 | Demoboard DER-726

65 W Isolated Flyback Power Supply Using InnoSwitchTM3-EP PowiGaNTM INN3679CH606 and MIN1072M

Overview

TopologyFlyback Converter
Input voltage90-265 V
Output 120 V / 3.25 A
IC revision1.0

Description

This engineering report describes an isolated flyback converter designed to provide a 20 V 3.25 A output from a wide input voltage range of 90 VAC to 265 VAC. This power supply utilizes the INN3679C-H606 from the InnoSwitch3-EP family of IC’s with the input capacitor volume-reduction capabilities of the MinE-CAP IC.

Features

  • 65 W output power capability at 20 V
  • 92% average efficiency at nominal AC inputs

  • <50 mW no-load input power at nominal AC inputs
  • Integrate protection and reliability features
  • Output short-circuit
  • Line and output OVP
  • Over-temperature shutdown
  • Synchronous rectification for higher efficiency
  • Input voltage monitor with accurate brown-in/brown-out protection
  • Meets EN55022 and CISPR-22 Class B conducted EMI
  • Meets IEC 1.0 kV differential surge
  • ±16 kV ESD Class B

Typical applications

  • Auxiliary, standby and bias power supplies for appliances
  • computers

Products

Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
C
VR(V (AC))
Safety Class
dV/dt(V/µs)
DF @ 1 kHz(%)
RISO
Pitch(mm)
L(mm)
W(mm)
H(mm)
Packaging
Samples
WCAP-FTX2 Film Capacitors, Across the mains, 100 nF
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Capacitance100 nF
Rated Voltage275 V (AC)
Safety ClassX2 
Rate of Voltage Rise300 V/µs
Dissipation Factor0.1 %
Insulation Resistance30 GΩ
Pitch10 mm
Length13 mm
Width7 mm
Height13 mm
PackagingBulk