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HX4004 - Regulated Charge Pump DC/DC Converter

General Description

The HX4004 is a low noise, constant frequency (400kHz) switched capacitor voltage doubler.

It produces a regulated output voltage from a 2.8V to 5.0V input.

Key Features

  • Fixed 5V Output.
  • VIN Range: 2.8V ～ 5.0V.
  • Output Current: up to 100mA（VIN≥2.8V） up to 250mA（VIN≥3.6V）.
  • Constant Frequency Operation at All Loads.
  • Low Noise Constant Frequency (400kHz) Operation.
  • Automatic Soft-Start Reduces Inrush Current.
  • Shutdown Current.

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Datasheet Details

Part number HX4004
Manufacturer Hexin Semiconductor
File Size 209.54 KB
Description Regulated Charge Pump DC/DC Converter
Datasheet download datasheet HX4004 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HXH4X0100401 Low Noise, Regulated Charge Pump DC/DC Converter Features  Fixed 5V Output  VIN Range: 2.8V ～ 5.0V  Output Current: up to 100mA（VIN≥2.8V） up to 250mA（VIN≥3.6V）  Constant Frequency Operation at All Loads  Low Noise Constant Frequency (400kHz) Operation  Automatic Soft-Start Reduces Inrush Current  Shutdown Current <1μA  Short-Circuit Protection  No Inductors  Available in Low Profile 6-Lead SOT23 Package Applications  White LED Backlighting  Li-Ion Battery Backup Supplies  Local 3V to 5V Conversion  Smart Card Readers  PCMCIA Local 5V Supplies Description The HX4004 is a low noise, constant frequency (400kHz) switched capacitor voltage doubler. It produces a regulated output voltage from a 2.8V to 5.0V input.