AIC1731
ꢀTYPICAL PERFORMANCE CHARACTERISTICS (Continued)
V =Vout+2V
IN
V =Vout+2V
IN
Vin=Vout+1V
V =Vout+1V
IN
V =1.5V
OUT
V =1.5V
OUT
CIN=1µF, COUT=4.7µF
BP=0.1µF
Iout=50mA
CIN=1µF, COUT=1µF
CBP=0.1µF
C
Iout=50mA
Fig. 17 Line Transient Response
Fig. 18 Line Transient Response
ꢀBLOCK DIAGRAM
VIN
Current
Limiting
BP
-
Error
Amp.
VOUT
VREF
1.23V
+
Thermal
Power
Shutdown
SHDN
GND
ꢀPIN DESCRIPTIONS
PIN 1 : VIN
-
Power supply input pin. Bypass
PIN 4 : BP
- Noise bypass pin. An external
bypass capacitor connected to
BP pin reduces noises at the
output.
with a 1µF capacitor to GND
PIN 2 : GND - Ground pin.
PIN 3 : SHDN - Active-Low shutdown input pin.
PIN 5 : VOUT - Output pin. Sources up to 300
mA.
8
AIC [ ANALOG INTERGRATIONS CORPORATION ]
