AN-14 3.3V DC to DC Single Output Power Supply for Battery Charger

Reference Design using part MIC4575-3.3 by Microchip Technology

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Manufacturer

Microchip Technology
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

For End Products

  • Battery Charger
  • Power Supplies

Description

  • AN-14, 3.3V buck regulator using MIC4575-3.3 inexpensive standard components. The high efficiency (80%) and low form factor afforded by the use of a new TO-263 surface mount package makes this ideal for battery operated designs

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    4.5 to 24 V
  • Output Voltage
    3.3 V
  • Output Current
    1 A
  • Efficiency
    80 %
  • Topology
    Buck

Featured Parts (3)

Featured Parts
Part Number Manufacturer Type Description
MIC4575-3.3WT Microchip Technology DC to DC Converter and Switching Regulator Chip Conv DC-DC 4V to 24V Step Down Single-Out 3.3V 1A 5-Pin(5+Tab) TO-220 Tube Buy
MIC4575-3.3WU-TR Microchip Technology DC to DC Converter and Switching Regulator Chip Conv DC-DC 4V to 24V Step Down Single-Out 3.3V 1A 6-Pin(5+Tab) TO-263 T/R Buy
MIC4575-3.3WU Microchip Technology DC to DC Converter and Switching Regulator Chip Conv DC-DC 4V to 24V Step Down Single-Out 3.3V 1A 6-Pin(5+Tab) TO-263 Tube Buy

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