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AAT2805 Datasheet(PDF) 5 Page - Advanced Analogic Technologies

Part No. AAT2805
Description  Dual High Efficiency Charge Pump for White LED and Flash Applications
Download  17 Pages
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Manufacturer  ANALOGICTECH [Advanced Analogic Technologies]
Direct Link  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

AAT2805 Datasheet(HTML) 5 Page - Advanced Analogic Technologies

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Typical Characteristics–Flash Driver Charge Pump Section
Load Response vs. Time
(100mA Load)
5ms/div
VOUT_FL
(10mV/div)
IOUT
(50mA/div)
VIN = 3.5V
Load Response vs. Time
(50mA Load)
5ms/div
VOUT_FL
(10mV/div)
IOUT
(20mA/div)
VIN = 3.5V
Startup Time
(100mA Load)
100
µµs/div
EN_FLSH
(1V/div)
VOUT_FL
(1V/div)
Startup Time
(50mA Load)
100
µµs/div
EN_FLSH
(1V/div)
VOUT_FL
(1V/div)
Maximum Current Pulse vs. Supply Voltage
(VOUT_FL = 4.5V; EN_FL = VIN; EN/SET = GND)
Supply Voltage (V)
0
50
100
150
200
250
300
350
400
450
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
One-shot pulse duration = 250ms
VOUT > 4.0V
Output Voltage vs. Output Current
(VOUT_FL = 4.5V; EN_FL = VIN; EN/SET = GND)
Output Current (mA)
4.40
4.44
4.48
4.52
4.56
4.60
0.1
1.0
10.0
100.0
1000.0
3.6V
3.0V
3.3V
2.7V
AAT2805
Dual High Efficiency Charge Pump
for White LED and Flash Applications
2805.2005.05.1.2
5


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