MCP1726中文资料1A Low Voltage Low lq LDO数据手册Microchip规格书

描述 Description

The MCP1726 is a 1A, ceramic output cap stable, low output voltage Low Dropout Regulator (LDO) with shutdown and user-programmable delay power good functions. It is the ONLY 1A LDO on the market that incorporates shutdown, power good, and programmable power good delay features on a single device.

特性 Features

Up to 1A output load current
Low dropout voltage 220 mV typical
Output voltage from 0.8V to 5.0V, both fixed and adjustable
Stable with 1.0µF ceramic output cap
Power good output with adjustable delay
Low supply current 140 µA typical
High PSRR: 54 dB at 100 kHz
Low shutdown current 0.001 µA typical
DFN-8 3x3 and SO-8 Pb-free packages

简介

MCP1726属于集成电路（IC）的线性+开关稳压器。由制造生产的MCP1726稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。