AIC1084
nBLOCK DIAGRAM
VIN
Current Amp.
+
GM
-
+
REF
V
1.25V
Thermal
Limit
Current
Limit
m
55 A
VOUT
For fixed voltage
device
GND
ADJ
nPIN DESCRIPTIONS
ADJ PIN
-
Providing VREF=1.25V (typ.) for adjustable VOUT. VREF=VOUT-VADJ and IADJ=55mA (typ.)
GND PIN- Power ground.
Adjustable output voltage.
Power Input.
VOUT PIN -
VIN PIN
-
nTYPICAL PERFORMANCE CHARACTERISTICS
0.4
0.2
50
0
0
-50
-0.2
-0.4
VIN=5.0V
-100
m
CIN=1 F(Tantalum)
m
CIN=1 F (Tantalum)
m
COUT=10 F(Tantalum)
m
COUT=10 F (Tantalum)
VOUT=3.3V
VOUT=3.3V
7.0
6.0
2.5A
0.1A
0
20
40
60
80
100
0
40
80
120
160
200
m
m
Time ( S)
Fig. 1 Load Transient Response
Time ( S)
Fig. 2 Line Transient Response
4
AIC [ ANALOG INTERGRATIONS CORPORATION ]
