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LTC3642 - High Voltage 50mA Synchronous Step-Down Converter

Datasheet Summary

Description

The LTC®3642 is a high efficiency, high voltage step-down DC/DC converter with internal high side and synchronous power switches that draws only 12μA typical DC supply current at no load while maintaining output voltage regulation.

Features

  • n Wide Input Voltage Range: 4.5V to 45V n Tolerant of 60V Input Transients n Internal High Side and Low Side Power Switches n No Compensation Required n 50mA Output Current n Low Dropout Operation: 100% Duty Cycle n Low Quiescent Current: 12µA n 0.8V Feedback Voltage Reference n Adjustable Peak Current Limit n Internal and External Soft-Start n Precise RUN Pin Threshold with Adjustable Hysteresis n 3.3V, 5V and Adjustable Output Versions n Only Three External Components Required for.

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Datasheet Details

Part number LTC3642
Manufacturer Linear Technology
File Size 1.23 MB
Description High Voltage 50mA Synchronous Step-Down Converter
Datasheet download datasheet LTC3642 Datasheet
Additional preview pages of the LTC3642 datasheet.

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Full PDF Text Transcription

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FEATURES n Wide Input Voltage Range: 4.5V to 45V n Tolerant of 60V Input Transients n Internal High Side and Low Side Power Switches n No Compensation Required n 50mA Output Current n Low Dropout Operation: 100% Duty Cycle n Low Quiescent Current: 12µA n 0.8V Feedback Voltage Reference n Adjustable Peak Current Limit n Internal and External Soft-Start n Precise RUN Pin Threshold with Adjustable Hysteresis n 3.3V, 5V and Adjustable Output Versions n Only Three External Components Required for Fixed Output Versions n Low Profile (0.
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