LP5907参考设计电路|低压差稳压器应用电路

LP5907超低噪音低压差稳压器是一款线性稳压器，能够提供250mA输出电流。此篇主要介绍了LP5907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。

LP5907特性：输出电流：250mA；低输出电压噪声：10μVRMS；低压差：通常120mV

LP5907典型应用范围：手机；PDA听筒；无线LAN设备

LP5907参考设计应用电路：

图1LP5907内部结构图

TheLP5907 is a linear regulator capable of supplying 250-mA output current. Designed to meet the requirements of RF and analog circuits, the LP5907 device provides low noise, high PSRR, low quiescent current, and low line or load transient response figures.

图2LP5907参考设计图

TheLP5907 EN pin is internally held low by a 1-MΩ resistor to GND. The EN pin voltage must be higher than the VIH threshold to ensure that the device is fully enabled under all operating conditions. The EN pin voltage must be lower than the VIL threshold to ensure that the device is fully disabled and the automatic output discharge is activated.

LP5907中文数据手册:点击下载

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