AAT2503_08 Datasheet, PDF (9/22 Pages) Advanced Analogic Technologies – Adjustable 3-Channel Regulator

SystemPower^TM
Typical Characteristics—LDO Regulator
Dropout Voltage vs. Temperature
(V_OUT = 2.8V)
120
150mA
100
80
100mA
60
40
50mA
20
0
-40 -20
0
20
40
60
80
100 120
Temperature (°C)
PRODUCT DATASHEET
AAT2503178
Adjustable 3-Channel Regulator
Dropout Voltage vs. Output Current
(V_OUT = 2.8V)
100
90
80
70
60
50
40
30
20
10
0
0
85°C
25°C
-40°C
20
40
60
80
100 120 140 160
Output Current (mA)
Dropout Characteristics
3.0
2.9
1mA
2.8
10mA
2.7
150mA
100mA
2.6 _50mA
2.5
2.4
2.7
2.8
2.9
3.0
3.1
3.2
Input Voltage (V)
DC Regulation
(V_IN = 3.6V; V_OUT = 1.2V)
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-40
-20
I_OUT = 50mA
I_OUT = 100mA
I_OUT = 150mA
I_OUT = 1mA
0
20
40
60
80
100
Temperature (°C)
LDO Output Voltage vs. LDO Input Voltage
(I_OUTA = 100mA, V_IN = V_P = 3.6V)
1.90
1.85
1.80
1.75
V_OUTA = 1.8V
1.70
1.65
1.60
1.55
1.50
1.45
1.40
V_OUTA = 1.5V
1.35
1.30
1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5
LDO Input Voltage (V_LDOA/B) (V)
DC Regulation
(V_IN = 3.6V; V_OUT = 1.8V)
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-40
-20
I_OUT = 50mA
I_OUT = 1mA
I_OUT = 150mA
I_OUT = 100mA
0
20
40
60
80
100
Temperature (°C)
2503.2008.02.1.4
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