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| AAT2801 Datasheet, PDF (10/20 Pages) Advanced Analogic Technologies – Multi-Mode Charge Pump for White LED Backlight and Flash Applications | |||
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AAT2801
Multi-Mode Charge Pump for
White LED Backlight and Flash Applications
Typical CharacteristicsâWhite LED Backlight Driver Section
VIN = 3.5V, CIN = 2.2µF, CCP = C1 = C2 = 1.0µF; TA = 25°C, unless otherwise noted.
Diode Current vs. Input Voltage
(30mA; 15mA settings)
40
35
VDIODE = 3.4V
30
25
20
VDIODE = 3.4V
15
10
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
VIH and VIL vs. VIN
0.850
0.825
0.800
0.775
0.750
VIH
0.725
VIL
0.700
0.675
0.650
0.625
0.600
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
10
2801.2006.04.1.3
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