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LTC1044A - 12V CMOS Voltage Converter

General Description

The LTC®1044A is a monolithic CMOS switched-capacitor voltage converter.

It plugs in for ICL7660/LTC1044 in applications where higher input voltage (up to 12V) is needed.

The LTC1044A provides several conversion functions without using inductors.

VI

Key Features

  • n 1.5V to 12V Operating Supply Voltage Range n 13V Absolute Maximum Rating n 200µA Maximum No Load Supply Current at 5V n Boost Pin (Pin 1) for Higher Switching Frequency n 97% Minimum Open Circuit Voltage Conversion Efficiency n 95% Minimum Power Conversion Efficiency n IS = 1.5µA with 5V Supply When OSC Pin = 0V or V+ n High Voltage Upgrade to ICL7660/LTC1044.

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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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LTC1044A 12V CMOS Voltage Converter Features n 1.5V to 12V Operating Supply Voltage Range n 13V Absolute Maximum Rating n 200µA Maximum No Load Supply Current at 5V n Boost Pin (Pin 1) for Higher Switching Frequency n 97% Minimum Open Circuit Voltage Conversion Efficiency n 95% Minimum Power Conversion Efficiency n IS = 1.5µA with 5V Supply When OSC Pin = 0V or V+ n High Voltage Upgrade to ICL7660/LTC1044 Applications n Conversion of 10V to ±10V Supplies n Conversion of 5V to ±5V Supplies n Precise Voltage Division: VOUT = VIN/2 ±20ppm n Voltage Multiplication: VOUT = ±nVIN n Supply Splitter: VOUT = ±VS/2 n Automotive Applications n Battery Systems with 9V Wall Adapters/Chargers Description The LTC®1044A is a monolithic CMOS switched-capacitor voltage converter.