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Analog Devices Inc. ADP166 LDO稳压器

Analog Devices ADP166系列是极低静态电流、低压差 (LDO) 线性稳压器，在2.2V - 5.5V的电压范围内工作。ADP166在150mA负载时的120mV低压差提高了效率，可以在较宽的输入电压范围内工作。该稳压器的短路和热过载保护电路可以防止器件在不利条件下受损。该器件经专门设计，通过1µF ±30%小陶瓷输入和输出电容实现稳定工作，满足高性能、空间受限应用的要求。ADP166稳压器特别适合用于一系列便携式电源应用，包括便携式与电池供电设备、后置直流/直流稳压、便携式医疗器件以及无线传感器网络 (WSN) 设备。

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特性

  • Low quiescent current
    • IQ=590nA with 0μA load
    • IQ=890nA with 1μA load
  • Maintains very low quiescent current in dropout (pass-through mode)
    • IQ_DROP= 720nA with 0μA load
    • IQ_DROP= 1200nA with 1μA load
  • Stable with 1μF ±30% ceramic input and output capacitors
  • Maximum operating load current (ILOAD_MAX) 150mA
  • Input voltage range 2.2V to 5.5V
  • Low shutdown current 50nA typical
  • Low dropout voltage 120mV at 150mA load
  • Initial output voltage accuracy ±1%
  • Accuracy over the line, load, and temperature ±3.5%
  • 7 fixed output voltage options 1.2V to 3.3V
  • Adjustable output option can be set from 1.0V to 4.2V
  • PSRR 72dB at 100Hz, VOUT= 1.2V
  • Current-limit and thermal overload protection
  • Logic control enable
  • Integrated output discharge resistor
  • Three package options
    • 5-lead TSOT package
    • 6-lead, 2mm × 2mm LFCSP
    • 4-ball, 0.5mm pitch WLCSP

应用

  • Portable and battery-powered equipment
  • Post dc-to-dc regulation
  • Portable medical devices
  • Wireless sensor network (WSN) device
发布日期: 2016-02-05 | 更新日期: 2022-03-11