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AP2120N-2.5TRG1 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AP2120N-2.5TRG1 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 21 page  Data Sheet 1 Nov. 2009 Rev. 1. 0 BCD Semiconductor Manufacturing Limited HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 General Description The AP2120 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. The AP2120 series feature high supply voltage ripple rejection, low dropout voltage, low noise, high output voltage accuracy, and low current consumption which make them ideal for use in various battery-powered devices. The AP2120 series have 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.2V, 3.3V and 5.0V versions. The AP2120 are available in standard SOT-23 package. Features · Low Dropout Voltage at IOUT=100mA: 200mV Typical (Except 1.2V, 1.3V and 1.5V Versions) · Low Quiescent Current: 25 µA Typical · High Ripple Rejection: 65dB Typical （f=1kHz） · Output Current: More Than 150mA (250mA Limit) · Extremely Low Noise: 15 µVrms@VOUT=1.2V, 1.3V, 1.5V (10Hz to 100kHz) · Excellent Line Regulation: 4mV Typical · Excellent Load Regulation: 12mV Typical · High Output Voltage Accuracy: ±2% · Excellent Line Transient Response and Load Transient Response · Compatible with Low ESR Ceramic Capacitor (as Low as 1 µF) Applications · Mobile Phones, Cordless Phones · Wireless Communication Equipment · Portable Games · Cameras, Video Recorders · Sub-board Power Supplies for Telecom Equip- ment · Battery Powered Equipment Figure 1. Package Types of AP2120 SOT-23 |
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