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| AAT2786 Datasheet, PDF (7/27 Pages) Advanced Analogic Technologies – 1.5A Step-Down Converter and 150mA LDO | |||
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SystemPowerTM
PRODUCT DATASHEET
AAT2786
1.5A Step-Down Converter and 150mA LDO
Typical CharacteristicsâStep-Down Converter
Efficiency vs. Output Current
(PWM Mode; VOUT = 2.5V)
100
90
80
VIN = 2.7V
70
60
50
VIN = 5.0V
40
30
VIN = 4.2V
20
10
VIN = 3.6V
0
1
10
100
1000
Output Current (mA)
10000
Efficiency vs. Output Current
(PWM Mode; VOUT = 2.5V)
100
90
80
VIN = 2.7V
70
60
50
VIN = 5.0V
40
30
VIN = 4.2V
20
10
VIN = 3.6V
0
1
10
100
1000
Output Current (mA)
10000
Efficiency vs. Output Current
(Light-Load Mode; VOUT = 1.8V)
100
90 VIN = 2.7V
80
70
VIN = 4.2V
VIN = 3.6V
60
50
40
0.1
1
10
100
1000
Output Current (mA)
10000
0.50
0.25
0.00
-0.25
-0.50
0.1
Load Regulation
(Light-Load Mode; VOUT = 1.8V)
VIN = 3.6V
VIN = 2.7V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
100
90
80
70
60
50
40
30
20
10
0
1
Efficiency vs. Output Current
(PWM Mode; VOUT = 1.8V)
VIN = 2.7V
VIN = 4.2V
VIN = 3.6V
10
100
1000
10000
Output Current (mA)
0.50
0.25
0.00
-0.25
-0.50
0.1
Load Regulation
(PWM Mode; VOUT = 1.8V)
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
10000
2786.2008.04.1.0
www.analogictech.com
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