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AAT2782 Datasheet(PDF) 7 Page - Advanced Analogic Technologies

Part No. AAT2782
Description  Triple Output PMIC: Dual Buck with Low-VIN LDO
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Maker  ANALOGICTECH [Advanced Analogic Technologies]
Homepage  http://www.analogictech.com
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AAT2782 Datasheet(HTML) 7 Page - Advanced Analogic Technologies

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AAT2782
Triple Output PMIC: Dual Buck with Low-VIN LDO
SystemPowerTM
PRODUCT DATASHEET
2782.2008.05.1.0
7
www .analogictech.com
AAT2782
Triple Output PMIC: Dual Buck with Low-VIN LDO
SystemPowerTM
PRODUCT DATASHEET
2782.2008.05.1.0
7
www .analogictech.com
Typical Characteristics—Buck Converter 1
Step-Down Converter 1 Efficiency vs. Load
(VOUT1 = 1.2V; VIN = 2.7V to 5.5V; L = 1.7µH)
Output Current (mA)
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
VIN = 2.7V
VIN = 3.3V
VIN = 3.6V
VIN = 4.2V
VIN = 5.0V
VIN = 5.5V
Step-Down Converter 1 DC Regulation
(VOUT1 = 1.2V; VIN = 2.7 to 5.5V; L = 1.7µH)
Output Current (mA)
-0.5
-0.3
0.0
0.3
0.5
0.1
1
10
100
1000
10000
VIN = 2.7V
VIN = 3.3V
VIN = 3.6V
VIN = 4.2V
VIN = 5.0V
VIN = 5.5V
Step-Down Converter 1 V
IH and VIL
vs. Input Voltage
(VEN1 = VIN; VEN2 = 0V; VEN3 = 0V)
Input Voltage (V)
0.6
0.7
0.8
0.9
1.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
VIH
VIL
Step-Down Converter 1 Input Current
vs. Input Voltage
(VEN1 = VIN; VEN2 = VEN3 = 0V)
Input Voltage (V)
60
70
80
90
100
110
2.5
3
4.5
5
5.5
6
4
3.5
85°C
25°C
-40°C
Step-Down Converter 1 Line Regulation
(VOUT1 = 1.2V; IOUT1 = 0.1mA to 1A; L = 1.7µH)
Input Voltage (V)
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
0.1
0.2
0.3
0.4
0.5
2.5
5.0
5.5
4.5
4.0
3.5
3.0
IOUT1 = 0.10mA
IOUT1 = 10mA
IOUT1 = 100mA
IOUT1 = 1200mA
Step-Down Converter Output 1 Voltage Error
vs. Temperature
(VIN = 3.3V; VOUT1 = 1.2V; IOUT1 = 1.2A)
Temperature (°C)
-1.00
-0.75
-0.50
-0.25
0.00
0.25
0.50
0.75
1.00
-50
-25
50
75
25
0
100


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