PRODUCT DATASHEET
AAT2504178
SystemPowerTM
Adjustable 3-Channel Regulator
Typical Characteristics–LDO Regulator
Dropout Voltage vs. Output Current
(VOUT = 2.5V)
Output Voltage vs. Input Voltage
(VOUT = 2.5V)
200
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
180
85°C
160
50mA
25°C
140
120
100
80
300mA
250mA
60
200mA
-40°C
40
100mA
20
0
0
50
100
150
200
250
300
2.5
2.7
2.9
3.1
3.3
3.5
Output Current (mA)
Input Voltage (V)
Dropout Voltage vs. Output Current
(VOUT = 3.3V)
Output Voltage vs. Input Voltage
(VOUT = 3.3V)
160
140
120
100
80
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
50mA
85°C
25°C
1mA
300mA
200mA
60
100mA
-40°C
40
20
0
3.1
3.3
3.5
3.7
3.9
4.1
0
50
100
150
200
250
300
Output Current (mA)
Input Voltage (V)
LDO Output Voltage vs. LDO Input Voltage
(VOUTA = 1.5V; VIN = VP = 3.6V)
LDO Output Voltage vs. LDO Input Voltage
(VOUTA = 1.8V; VIN = VP = 3.6V)
1.90
1.60
100mA
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.80
1.70
1.60
1.50
1.40
1.30
1.20
100mA
200mA
200mA
300mA
300mA
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
LDO Input Voltage (VLDOA/B) (V)
LDO Input Voltage (VLDOA/B) (V)
w w w . a n a l o g i c t e c h . c o m
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2504.2008.02.1.2