MAX1776 - 24V、600mA内置开关、100%占空比、降压型转换器

MAX1776是Maxim美信半导体公司的一款DC-DC开关调节器产品，MAX1776是24V、600mA内置开关、100%占空比、降压型转换器，本站介绍了MAX1776的封装应用图解、特点和优点、功能等，并给出了与MAX1776相关的Maxim元器件型号供参考。

MAX1776 - 24V、600mA内置开关、100%占空比、降压型转换器 - DC-DC开关调节器 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

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. For increased output drive capability, use the MAX1626/ MAX1627 step-down controllers, which drive an external P-channel MOSFET to deliver up to 20W.

关键特性

以下关键特性由Maxim美信半导体提供：

Fixed 5V or Adjustable Output

4.5V to 24V Input Voltage Range

Up to 600mA Output Current

Internal 0.4Ω P-Channel MOSFET

Efficiency Over 95%

15µA Quiescent Supply Current

3µA Shutdown Current

100% Maximum Duty Cycle for Low Dropout

Current-Limited Architecture

Thermal Shutdown

Small 8-µMAX Package

热门应用

分布式供电系统

手持式设备

不间断电源

笔记本电脑

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