AAT2503
Adjustable 3-Channel Regulator
Typical Characteristics—LDO Regulator
Quiescent Current vs. Input Voltage
(VOUT = 2.8V)
Turn-On Response Time
(VIN = 3.6V; VOUT = 1.8V; IOUT = 150mA)
6
4
7
6
5
4
3
2
1
0
-1
35
IOUT = 100mA
IOUT = 150mA
31
27
23
19
15
2
0
-2
-4
-6
-8
-10
IOUT = 50mA
IOUT = 10mA
IOUT = 0mA
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Time (10µs/div)
Input Voltage (V)
Turn-Off Response Time
(VIN = 3.6V; VOUT = 1.8V; IOUT = 150mA)
Load Transient
(VIN = 3.6V; VOUT = 1.8V; IOUT = 1mA to 100mA)
6
7
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
4
2
6
5
4
3
2
1
0
-1
0
-2
-4
-6
-8
-10
Time (50µs/div)
Time (200µs/div)
Load Transient
(VIN = 3.6V; VOUT = 1.8V; IOUT = 50mA to 100mA)
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
Time (50µs/div)
10
2503.2007.04.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
