PRODUCT DATASHEET
AAT2503178
SystemPowerTM
Adjustable 3-Channel Regulator
Typical Characteristics—LDO Regulator
Line Transient
(VOUT = 1.8V; IOUT = 100mA; VIN = 3.6V to 4.2V)
Line Transient
(VOUT = 1.8V; IOUT = 150mA; VIN = 3.6V to 4.2V)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
VIN
VIN
VOUT
VOUT
Time (100µs/div)
Time (100µs/div)
Line Regulation
(VOUT = 1.2V)
Load Regulation
(VOUT = 1.2V)
2.0
1.5
2.0
1.5
10mA
1.0
1.0
1mA
VIN = 2.7V
0.5
0.5
VIN = 3.6V
0.0
0.0
50mA
150mA
-0.5
-1.0
-1.5
-2.0
-0.5
-1.0
-1.5
-2.0
VIN = 5.5V
100mA
VIN = 4.2V
0
1
10
100
1000
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Output Current (mA)
Load Regulation
(VOUT = 2.8V)
2.0
1.5
1.0
VIN = 3.3V
VIN = 3.6V
0.5
0.0
-0.5
-1.0
-1.5
-2.0
VIN = 5.5V
VIN = 4.2V
0
1
10
100
1000
Output Current (mA)
w w w . a n a l o g i c t e c h . c o m
2503.2008.02.1.4
11
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
