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AAT2805 Datasheet(PDF) 6 Page - Advanced Analog Technology, Inc.

Part No. AAT2805
Description  Dual High Efficiency Charge Pump for White LED and Flash Applications
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Maker  AAT [Advanced Analog Technology, Inc.]
Homepage  http://www.aatech.com.tw
Logo AAT - Advanced Analog Technology, Inc.

AAT2805 Datasheet(HTML) 6 Page - Advanced Analog Technology, Inc.

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Typical Characteristics–Flash Driver Charge Pump Section
Oscillator Frequency vs. Supply Voltage
Supply Voltage (V)
1.10
1.15
1.20
1.25
1.30
2.7
3.2
3.7
4.2
4.7
-40°C
+85°C
+25°C
Supply Current vs. Supply Voltage
Supply Voltage (V)
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
2.5
3.0
3.5
4.0
4.5
5.0
IOUT = 0μA
C3 = 1μF
VEN_FL = VIN
Output Ripple Voltage vs. Time
(IOUT = 100mA @ VIN = 3.5V)
Time (500ns/div)
IIN
(10mA/div)
VOUT
(20mV/div)
VIN
(10mV/div)
Output Ripple Voltage vs. Time
(IOUT = 50mA @ VIN = 3.5V)
Time (500ns/div)
IIN
(10mA/div)
VOUT
(10mV/div)
VIN
(10mV/div)
AAT2805
Dual High Efficiency Charge Pump
for White LED and Flash Applications
6
2805.2006.04.1.7


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