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FEATURES Tri-Mode Operation 3.
3 V, 5 V Fixed or +1.
3 V to +16 V Adjustable Low Power CMOS: 9 µ A max Quiescent Current High Current 100 mA Output Low Dropout Voltage Upgrade for ADM663/ADM666 “Small” 0.
1 µ F Output Capacitor (0805 Style) +2 V to +16.
5 V Operating Range Low Battery Detector ADM666A No Overshoot on Power-Up Thermal Shutdown APPLICATIONS Handheld Instruments LCD Display Systems Pagers Battery Operated Equipment GENERAL DESCRIPTION
Tri-Mode: +3.
3 V, +5 V, Adjustable Micropower Linear Voltage
Regulators ADM663A/ADM666A*
FUNCTIONAL BLOCK DIAGRAMS
VIN 0.
5V 1.
3V A1 C1 SENSE VOUT2 VOUT1
SHDN
D E C O D E R R1
C2
VIN–50mV VSET
C3 50mV
R2
0.
9V
A2
VTC
R3 GND
ADM663A
The AD...