Description

The CAT6219 is a 500 mA CMOS low dropout regulator that provides fast response time during load current and line voltage

changes.

Features

•Guaranteed 500 mA Peak Output Current

•Low Dropout Voltage of 300 mV Typical at 500 mA

•Stable with Ceramic Output Capacitor

•External 10 nF Bypass Capacitor for Low Noise

•Quick−start Feature

•Under Voltage Lockout

•No−load Ground Current of 55 A Typical

•Full−load Ground Current of 85 A Typical

•±1.0 Initial Accuracy (VOUT ≥2.0 V)

•±2.0 Accuracy Over Temperature (VOUT ≥2.0 V)

•“Zero” Current Shutdown Mode

•Fold−back Current Limit

•Thermal Protection

•5−lead TSOT−23, 6−pad WDFN and TDFN Packages

•These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant

Applications

•Cellular Phones

•Battery−powered Devices

•Consumer Electronics

CAT6219属于集成电路（IC） > 线性 + 开关稳压器。安森美半导体公司制造生产的CAT6219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。