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AP2121

Part Number	AP2121
Manufacturer	BCD
Description	EXTREMELY LOW NOISE LDO REGULATOR
Published	May 1, 2006
Detailed Description	HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR General Description Features Data Sheet AP2121 The AP2121 series are p...
Datasheet	AP2121 PDF File

Overview

HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR General Description Features Data Sheet AP2121 The AP2121 series are positive voltage regulator ICs fabricated by CMOS process.
Each of these ICs consists 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 (5-pin products only).
The AP2121 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 AP2121 series have 1.
2V, 1.
3V, 1.
5V, 1.
8V, 2.
5V, 2.
8V, 2.
85V, 3.
0V, 3.
2V and 3.
3V versions.
The AP2121 are available in standard SOT-23-3, SOT23-5 and CSP-4 packages.
· Low Dropout Voltage at IOUT=100mA: 150mV Typical (Except 1.
2V, 1.
3V and 1.
5V Versions) · Low Standby Current: 0.
1μA Typical · Low Quiescent Current: 25μA Typical · High Ripple Rejection: 70dB Typical （f=1kHz） · Out...

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