Solution Finder Get Tech Support

DPA423R

DC-DC Solutions for 16-75 VDC Inputs and power up to 100 W

Applications

Product Details

Description

  • Monolithic IC integrating 220 V high frequency MOSFET with all control & fault protection circuitry
  • Wide DC input voltage range (16 VDC to 75 VDC)
  • Lossless integrated current limit
  • Built-in auto-restart
  • Voltage mode control allows 75% duty cycle while providing >5 kHz loop bandwidth
  • Input UV/OV shutdown protection (meets ETSI standards)
  • Pin selectable 300/400 kHz
  • Enables low cost synchronous rectification

Applications

  • 24 V/48 V Distributed Power Architectures (DPA)
  • DC-DC converter module "bricks"
  • PoE Powered Devices (PoE Applications Support Page)
  • Servers, routers & network line cards
  • Telecom central office equipment
  • VoIP & digital feature phones
  • Temperature & industrial controls

Specifications

Specifications
Output Power (Max) - Enclosed, Univ 18.00 W
Switching Frequency (min) 300.00 kHz
Switching Frequency (max) 400 kHz
Breakdown Voltage 220 V
Voltage - Input (Min) 16 V
Voltage - Input (Max) 75 V
Auto-Restart & Overvoltage Response Auto-restart
Auto-Restart Threshold 5.8
IC Package TO-263-7C
Device Package TO-263-7C
Internal Switch Yes
Mounting Type Through Hole
Over-Temperature Response Auto-restart
Temperature - Operating (Min) -40 °C
Temperature - Operating (Max) 150 °C
Control Scheme Secondary-side
Control Features
Synchronous Rectification
Programmable Switching Frequency
Soft Start
Auto-Restart/Latching Fault Response
On/Off Control
Protection Features
Input Overvoltage
Input Undervoltage
Output Open Loop
Output Overload
Overtemperature
Remote Shutdown
Topology
Flyback
Forward
Product Sub-Type PMIC

Resources