HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
General Description
Features
Data Sheet AP2120
The AP2120 series are p...
HIGH SPEED, EXTREMELY LOW NOISE LDO
REGULATOR
General Description
Features
Data Sheet AP2120
The AP2120 series are positive voltage
regulator ICs fabricated by CMOS process. Each of these ICs con-
·
Low Dropout Voltage at IOUT=100mA: 200mV Typical (Except 1.2V, 1.3V and 1.5V Versions)
sists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection.
· · ·
Low Quiescent Current: 25μA Typical High Ripple Rejection: 65dB Typical （f=1kHz） Output Current: More Than 150mA (250mA
The AP2120 series feature high supply voltage ripple
Limit)
rejection, low dropout voltage, low noise, high output · Extremely Low Noise: 15μVrms@VOUT=1.2V,
voltage accuracy, and low current consumption which
1.3V, 1.5V (10Hz to 100kHz)
make them ideal for use in various battery-powered · Excellent Line Regulation: 4mV Typical
devices.
· Excellent Load Regulation: 12mV Typical
· High Output Voltage Accuracy: ±2%
The AP2120 series have 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, · Excellent Line Transient Response and Load
2.8V, 3.0V, 3.2V, 3.3V, 3.6V, 4.0V and 5.0V versions.
Transient Response
The AP2120 are available in standard SOT-23, SOT-89 and TO-92 packages.
·
Compatible with Low ESR Ceramic Capacitor (as Low as 1μF)
Applications
· Mobile Phones, Cordless Phones · Wireless Communication Equipment · Portable Games · Cameras, Video Recorders · Sub-board Power Supplies for Telecom Equip-
ment · Battery Powered Equi...
