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LM43600SIMPLESWITCHER®是易于使用的同步降压型直流-直流转换器，能以3.5V到36V范围的输入电压，驱动高达3.0A的负载电流(瞬时42V)。此篇主要介绍了LM43600特性、应用范围、参考设计电路以及电路分析，帮助大家缩短设计时间。

LM43600特性：27µA或33µA稳定静态电流；集成式同步整流；与外部时钟频率同步；软启动进入预偏压负载

LM43600典型应用范围：工业电源；电信系统；AM以下波段汽车应用；通用宽幅VIN稳压；高效率负载点调节

LM43600参考设计应用电路：

图1LM43600内部结构图

TheLM43600 SIMPLE SWITCHER® regulator is an easy to use synchronous step-down DC-DC converter capable of driving up to 0.5 A of load current from an input voltage ranging from 3.5 V to 36 V (42 V transient).

图2LM43600参考设计图

TheLM43600 SIMPLE SWITCHER® regulator is an easy to use synchronous step-down DC-DC converter that operates from 3.5 V to 36 V supply voltage. It is capable of delivering up to 0.5 A DC load current with exceptional efficiency and thermal performance in a very small solution size. An extended family is available in 1 A, 2 A and 3 A load options in pin-to-pin compatible packages.

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