AIC1723A
500mA Low Dropout Linear Regulator


null FEATURES
Analog Integrations Corporation Si-Soft Research Center DS-1723AP-02 082304
3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C.
TEL: 886-3-5772500 FAX: 886-3-5772510 www.analog.com.tw 1


null Low Dropout Voltage of 650mV at 500mA
Output Current (3V Output Version).
null Guaranteed 500mA Output Current.
null Maximum Input Voltage is 8V
null Low Ground Current at 65µA.
null 2% Accuracy Output Voltage of 1.8V/ 2.0V
/2.5V /2.7V/ 3.0V/ 3.3V/ 3.5V/ 3.7V/ 3.8V/ 5.0V/
5.2V.
null Only needs 4.7µF Output Capacitor for Stability.
null Current and Thermal Limiting.

null APPLICATIONS
null CD-ROM Drivers.
null LAN Cards.
null Microprocessor.
null RAM Module.
null Wireless Communication Systems.
null Battery Powered Systems.
null DESCRIPTION
The AIC1723A is a 3-pin low dropout linear
regulator. The superior characteristics of the
AIC1723A include zero base current loss,
very low dropout voltage, and 2% accuracy
output voltage. Typical ground current
remains approximately 65 µ A, for loading
ranging from zero to maximum. Dropout
voltage turns substantially low when output
current is 500mA. Built-in output current
limiting and thermal limiting provide maximal
protection to the AIC1723A against fault
conditions.
The AIC1723A is available with popular SOT-
23, SOT-223, SOT-89 and TO-252 packages.

null
TYPICAL APPLICATION CIRCUIT


++
AIC1723A
4.7µF
C
OUT
VOUT
V
OUT
GND
V
IN
1µF
C
IN
V
IN


Low Dropout Linear Regulator
(C
IN
and C
OUT
are electrolytic capacitor)