AIC1742
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
60
COUT=4.7µF Ceramic
50
CNB=0.01µF
f=10Hz to 100KHz
40
AIC1742-33
30
AIC1742-15
20
10
0
0.1
1
10
100
Output Current (mA)
Fig. 19 Output Noise RMS
BLOCK DIAGRAM
VIN
SHDN
Control
Circuit
1.25V
REF
Bias
Circuit
-
Error
Amp
+
Current
Limit
Thermal
Shutdown
VOUT
GND
PIN DESCRIPTIONS
VIN PIN - Power supply input pin. Bypass
with a 1µF capacitor to GND.
GND PIN - Ground pin.
SHDN PIN - Active-Low shutdown input pin.
Disconnect
Circuit
BP
BP PIN - Noise bypass pin. An external
bypass capacitor connecting to BP
pin to reduce noises at the output.
VOUT PIN - Output pin. Sources up to 150 mA.
8