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MAX1776 - 24V / 600mA Internal Switch / 100% Duty Cycle / Step-Down Converter

General Description

The MAX1776 high-efficiency step-down converter provides an adjustable output voltage from 1.25V to VIN from supply voltages as high as 24V.

An internal current-limited 0.4Ω MOSFET delivers load currents up to 600mA.

Operation to 100% duty cycle minimizes dropout voltage (240mV at 600mA).

Key Features

  • MAX1776.

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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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19-1975; Rev 2; 7/03 24V, 600mA Internal Switch, 100% Duty Cycle, Step-Down Converter General Description The MAX1776 high-efficiency step-down converter provides an adjustable output voltage from 1.25V to VIN from supply voltages as high as 24V. An internal current-limited 0.4Ω MOSFET delivers load currents up to 600mA. Operation to 100% duty cycle minimizes dropout voltage (240mV at 600mA). The MAX1776 has a low 15µA quiescent current to improve light-load efficiency and conserve battery life. The device draws only 3µA while in shutdown. High switching frequencies (up to 200kHz) allow the use of tiny surface-mount inductors and output capacitors. The MAX1776 is available in an 8-pin µMAX package, which uses half the space of an 8-pin SO.