AAT2552_08 Datasheet, PDF (12/31 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

SystemPower^TM
PRODUCT DATASHEET
AAT2552178
Total Power Solution for Portable Applications
Typical Characteristics–LDO Regulator
Quiescent Current vs. Temperature
(V_IN = 5V)
120
110
100
90
80
70
60
50
-40
-15
10
35
60
85
Temperature (°C)
Dropout Voltage vs. Temperature
0.5
0.4
0.3
0.2
0.1
0.0
-40 -20
I_L = 300mA
I_L = 200mA
I_L = 100mA
I_L = 50mA
0
20
40
60
80
Temperature (°C)
100 120
LDO Dropout Characteristics
(EN = GND; ENLDO = V_IN)
3.20
3.00
I_OUT = 0mA
2.80
2.60
I_OUT = 300mA
I_OUT = 150mA
2.40
I_OUT = 100mA
2.20
I_OUT = 10mA ^{IOUT = 50mA}
2.00
2.70
2.80
2.90
3.00
3.10
3.20
3.30
Input Voltage (V)
Dropout Voltage vs. Output Current
0.5
0.4
0.3
0.2
0.1
0.0
0
85°C
25°C
-40°C
50
100
150
200
250
300
Output Current (mA)
Output Voltage vs. Temperature
(V_IN = 3.6V; V_O = 1.8V; I_OUT = 150mA)
3.301
3.300
3.299
3.298
3.297
3.296
-40
-15
10
35
60
85
Temperature (°C)
Enable Threshold Voltage vs. Input Voltage
0.96
0.94
0.92
V_EN(H)
0.9
0.88
0.86
0.84
V_EN(L)
0.82
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
12
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2552.2008.02.1.2