LMR22007参考设计电路|开关稳压器应用电路

LMR22007开关稳压器设计用于满足有待机和关机模式应用的高效率需求。器件支持低电流模式，可在轻负载条件下保持高效率。此篇主要介绍了LMR22007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。

LMR22007特性：输入电压范围：2.7V到20V；从0.9V到5.5V的可调节输出电压；高达750mA的输出电流；轻负载节能模式

LMR22007典型应用范围：M2M通信；无人机/遥控直升机；打印机；车队管理/资产跟踪

LMR22007参考设计应用电路：

图1LMR22007内部结构图

TheLMR22007 is a switching regulator designed for the high-efficiency requirement of applications with stand-by and shut-down modes. The device features a low-current mode to maintain efficiency under light-load conditions, and an adaptive on-time control architecture for fast transient response.

图2LMR22007参考设计图

TheLMR22007candeliverupto 750mA of continuous load current with an adjustable input current limit. The device has a wide input voltage range of 2.7V to 20V, and supports VIN transients to 24V.

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