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General Description

The AP2213 is a 500mA output current fixed voltage regulator which provides low noise, very low dropout voltage (typically 350mV at 500mA), very low standby current (1?A maximum) and excellent power supply ripple rejection (PSRR 75dB at 100Hz) in battery powered applications, such as handsets and PDAs and in noise sensitive applications, such as RF electronics.

Features

? Up to 500mA Output Current

? Low Standby Current

? Low Dropout Voltage: VDROP=350mV at 500mA

? High Output Accuracy: ±1

? Good Ripple Rejection Ability: 75dB at 100Hz

and IOUT=100?A

? Tight Load and Line Regulation

? Low Temperature Coefficient

? Over Current Protection

? Thermal Protection

? Reversed-battery Protection

? Logic-controlled Enable

Applications

? Laptop, Notebook, and Palmtop Computer

? CD-ROM, CD-R/RW, DVD Driver

? Portable Electronic

? PC Peripheral