AP2122 Datasheet | BCD Semiconductor

Description Features Data Sheet AP2122 The AP2122 series are positive voltage regulator ICs fabricated by CMOS process. Each of these ICs con- - Low Dropout Voltage at IOUT=100m A: 150m V Typical (Except 1.5V Version) sists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection and a chip enable circuit . - - - Low Standby Current: 0.1µA Typical Low Quiescent Current: 25µA Typical High Ripple Rejection: 70d B Typical（f=10k Hz） The AP2122 series feature high ripple rejection, low - Maximum Output Current: More Than 150m A dropout voltage, low noise, high output voltage accu- (300m A Limit) racy, and low current consumption which make them - Extremely Low Noise: 30µVrms (10Hz to ideal for use in various battery-powered devices. 100k Hz) - Excellent Line Regulation: 4m V Typical The AP2122 series have 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, - Excellent Load Regulation: 12m V Typical 3.2V and 3.3V versions. - High Output Voltage Accuracy: ±2% - Excellent Line and Load Transient Response The AP2122 are available in standard SOT-23-5 package. - patible with Low ESR Ceramic Capacitor (as Low as 1µF) Applications - Mobile Phones, Cordless Phones - MP3/4 - Portable Electronic Devices - Cameras, Video Recorders - Sub-board Power Supplies for Tele Equip- ment - Battery Powered Equipment May. 2010 Rev. 1. 5 SOT-23-5 Figure 1. Package Type of AP2122 BCD Semiconductor Manufacturing Limited 1 HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Pin Configuration K Package (SOT-23-5) VOUT 1 GND 2 VIN 3 5 NC 4 CE Figure 2. Pin Configuration of AP2122 (Top View) Data Sheet AP2122 Pin Description Pin Number 1 2 3 4 5 Pin Name VOUT GND VIN CE...