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AAT3112 датащи(PDF) 9 Page - Advanced Analogic Technologies

номер детали AAT3112
подробное описание детали  500mA High Efficiency Charge Pump for White LED Flash Applications
PDF  16 Pages
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производитель  ANALOGICTECH [Advanced Analogic Technologies]
домашняя страница  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

AAT3112 датащи(HTML) 9 Page - Advanced Analogic Technologies

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AAT3112
500mA High Efficiency Charge Pump
for White LED Flash Applications
3112.2004.12.1.2
9
Typical Characteristics-AAT3112-5.0V
V
IN=3.5V, CIN=COUT=10µF, C1=C2=1µF, TA=25°C, unless otherwise noted.
Efficiency vs. Supply Voltage
Input Voltage (V)
40
45
50
55
60
65
70
75
80
85
90
95
2.7
3.0
3.3
3.5
3.8
4.1
4.4
4.7
4.9
100mA
50mA
200mA
Maximum Current Pulse (50ms pulse)
vs. Input Voltage, V
OUT > 4.5V
Input Voltage (V)
300
400
500
600
700
800
900
1000
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Startup Time with 200mA Load
50
µµs/div
EN
(2V/div)
VOUT
(1V/div)
Startup Time with 100mA Load
50
µµs/div
EN
(2V/div)
VOUT
(1V/div)
Supply Current vs. Supply Voltage
(No Load, No Switching)
Supply Voltage (V)
0
5
10
15
20
25
30
2.5
3.0
3.5
4.0
4.5
5.0
Output Voltage vs. Output Current
Output Current (mA)
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
0
50
100
150
200
250
300
VIN = 3.9V
VIN = 3.6V
VIN = 4.2V



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