APU8831
FEATURES
5-PIN SOT-23 Package Stable with 2.2m F Ceramic Capacitor 2% Voltage Reference Accuracy Only 270m V Dropout at 300m A and 170m V Dropout at 150m A 5m A Quiescent Current in Shutdown Current Limit and Thermal Shutdown Logic Input Enable Pin Ro HS pliant
APPLICATIONS Laptop, Notebook & Palmtop puters Battery Powered Equipments PCMCIA Vcc & Vpp Regulator Consumer Electronics High Efficiency Linear Power Supplies
TYPICAL APPLICATION
DESCRIPTION
The APU8831 device is an efficient linear voltage regulator with better than 2% initial voltage accuracy, very low dropout voltage and very low ground current designed especially for hand held, battery powered applications. Other features of the device are: TTL patible enable/ shutdown control input, current limiting and thermal shutdown.
The APU8831 is available in fixed and adjustable output voltage versions in a small SOT-23 5-Pin package.
C1 2.2u F
SD Enable
3 VIN
VOUT 4
2 Gnd
1 En
Adj 5
VOUT
( )R1
C2
Vo = 1.253
1+
R1 R2
2.2u...
