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HT7660 - CMOS Switched-Capacitor Voltage Converter

Description

HT7660 is a monolithic CMOS switched-capacitor voltage converter.

HT7660 is designed to complete a voltage conversion from positive to negative.

The only required external components are two low cost electrolytic capacitors.

Features

  • HT7660 Simple conversion of VDD to -VDD Cascade connection (two devices are connected, VOUT= -2 VDD) Boost pin for higher switching frequency Easy to use - Requires only two external capacitors.
  • No external diode required Typically with no load voltage conversion, 99.9% efficiency Typical power efficiency is 98% Wide operating voltage range: 3V to 12V.

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Datasheet Details

Part number HT7660
Manufacturer Holtek Semiconductor Inc
File Size 98.73 KB
Description CMOS Switched-Capacitor Voltage Converter
Datasheet download datasheet HT7660 Datasheet

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Full PDF Text Transcription

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CMOS Switched-Capacitor Voltage Converter Features · · · · HT7660 Simple conversion of VDD to -VDD Cascade connection (two devices are connected, VOUT= -2 VDD) Boost pin for higher switching frequency Easy to use - Requires only two external capacitors · · · · No external diode required Typically with no load voltage conversion, 99.9% efficiency Typical power efficiency is 98% Wide operating voltage range: 3V to 12V Applications · · · RS-232 power supply On board negative supply for dynamic RAMS Supply voltage splitter, VO= ± VDD/2 · · · Operation amplifier supply Data acquisition systems Positive voltage doubler General Description HT7660 is a monolithic CMOS switched-capacitor voltage converter. HT7660 is designed to complete a voltage conversion from positive to negative.
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