PRODUCT DATASHEET
AAT2504178
SystemPower
TM
Typical Characteristics–LDO Regulator
Dropout Voltage vs. Output Current
(V
OUT
= 2.5V)
200
2.8
Adjustable 3-Channel Regulator
Output Voltage vs. Input Voltage
(V
OUT
= 2.5V)
2.7
Dropout Voltage (mV)
180
160
140
120
100
80
60
40
20
0
0
50
100
150
Output Voltage (V)
85°C
25°C
2.6
2.5
2.4
2.3
2.2
2.1
2.0
50mA
-40°C
300mA
250mA
200mA
100mA
2.5
2.7
2.9
3.1
3.3
3.5
200
250
300
Output Current (mA)
Input Voltage (V)
Dropout Voltage vs. Output Current
(V
OUT
= 3.3V)
160
3.5
Output Voltage vs. Input Voltage
(V
OUT
= 3.3V)
Dropout Voltage (mV)
140
120
100
80
60
40
20
0
0
50
100
150
85°C
25°C
Output Voltage (V)
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
50mA
1mA
300mA
200mA
100mA
-40°C
200
250
300
3.1
3.3
3.5
3.7
3.9
4.1
Output Current (mA)
Input Voltage (V)
LDO Output Voltage vs. LDO Input Voltage
(V
OUTA
= 1.5V; V
IN
= V
P
= 3.6V)
LDO Output Voltage (V
OUTA
) (V)
LDO Output Voltage (V
OUTA
) (V)
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
LDO Output Voltage vs. LDO Input Voltage
(V
OUTA
= 1.8V; V
IN
= V
P
= 3.6V)
1.90
1.80
1.70
1.60
1.50
1.40
1.30
1.20
1.6
100mA
100mA
200mA
300mA
200mA
300mA
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)
LDO Input Voltage (V
LDOA/B
) (V)
8
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2504.2008.02.1.2
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