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AP2122AK-1.5TRE1 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AP2122AK-1.5TRE1 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 20 page  Data Sheet 1 Sep. 2006 Rev. 1. 1 BCD Semiconductor Manufacturing Limited HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2122 General Description The AP2122 series are positive voltage regulator ICs fabricated by CMOS process. Each of these ICs con- sists of a voltage reference, an error amplifier, a resis- tor network for setting output voltage, a current limit circuit for current protection and a chip enable circuit . The AP2122 series feature high ripple rejection, low dropout voltage, low noise, high output voltage accu- racy, and low current consumption which make them ideal for use in various battery-powered devices. The AP2122 series have 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.2V and 3.3V versions. The AP2122 are available in standard SOT-23-5 pack- age. Features · Low Dropout Voltage at IOUT=100mA: 150mV Typical (Except 1.5V Version) · Low Standby Current: 0.1 µA Typical · Low Quiescent Current: 25 µA Typical · High Ripple Rejection: 70dB Typical（f=10kHz） · Maximum Output Current: More Than 150mA (300mA Limit) · Extremely Low Noise: 30 µVrms (10Hz to 100kHz) · Excellent Line Regulation: 4mV Typical · Excellent Load Regulation: 12mV Typical · High Output Voltage Accuracy: ±2% · Excellent Line and Load Transient Response · Compatible with Low ESR Ceramic Capacitor (as Low as 1 µF) Applications · Mobile Phones, Cordless Phones · MP3/4 · Portable Electronic Devices · Cameras, Video Recorders · Sub-board Power Supplies for Telecom Equip- ment · Battery Powered Equipment Figure 1. Package Type of AP2122 SOT-23-5 |
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