MIC5393中文资料High Performance Dual 150mA LDO数据手册Microchip规格书

描述 Description

The MIC5392/3 is a tiny dual low-dropout linear regulator ideally suited for portable electronics. It is ideal for general purpose/digital applications which require high-power supply ripple rejection (PSRR) <60dB, eliminating the need for a bypass capacitor and providing two enable pins for maximum flexibility. The MIC5392/3 integrates two highperformance; 150mA LDOs into a tiny 6-pin 1.2mm x 1.2mm leadless Thin DFN package, which provides exceptional thermal package characteristics. The MIC5392/3 is a µCap design which enables operation with very small ceramic output capacitors for stability, thereby reducing required board space and component cost. The combination of low dropout voltage, high power supply rejection and exceptional thermal package characteristics makes it ideal for powering mobile phones camera modules, image sensors, PDAs, MP3 players, and audio codec power applications. The MIC5392/3 is available in fixed-output voltages in the tiny 6-pin 1.2mm x 1.2mm lead-less DFN package which is only 1.44mm2 in area. Additional voltage options are available.

特性 Features

• 2.5V to 5.5V input voltage range
• High output accuracy: ±2% initial accuracy
• Stable with 1µF ceramic output capacitors
• Low dropout voltage (155mV at 150mA)
• Current-limit protection
• 1.2mm x 1.2mm Extra Thin DFN package (height ≤0.4mm)
• 1.2mm x 1.2mm Thin DFN package

简介

MIC5393属于集成电路（IC）的线性+开关稳压器。由制造生产的MIC5393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。