AAT3112IVN-4.5-T1 データシートの表示（PDF） - Analog Technology Inc
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AAT3112IVN-4.5-T1
Analog Technology Inc
AAT3112IVN-4.5-T1 Datasheet PDF : 16 Pages
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AAT3112
500mA High Efficiency Charge Pump
for White LED Flash Applications
Typical Characteristics-AAT3112-4.5V
VIN=3.5V, CIN=COUT=10µF, C1=C2=1µF, TA=25°C, unless otherwise noted.
Output Voltage vs. Output Current
5.0
4.9
4.8
VIN = 3.6V VIN = 3.9V
4.7
4.6
4.5
4.4 VIN = 4.2V
4.3
4.2
4.1
4.0
0
50
100
150
200
250
300
Output Current (mA)
Supply Current vs. Supply Voltage
(No Load, No Switching)
30
25
20
15
10
5
0
2.5
3.0
3.5
4.0
4.5
Supply Voltage (V)
Startup Time with 100mA Load
EN
(2V/div)
VOUT
(1V/div)
50µs/div
Startup Time with 200mA Load
EN
(2V/div)
VOUT
(1V/div)
50µs/div
Maximum Current Pulse (50ms pulse)
vs. Input Voltage, VOUT > 4.0V
800
700
600
500
400
300
3
3.2
3.4
3.6
3.8
4
4.2
Input Voltage (V)
6
Efficiency vs. Supply Voltage
85
80
50mA
75
70
65
200mA
60
100mA
55
50
45
40
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5
Input Voltage (V)
3112.2004.12.1.2
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