AAT2801
Multi-Mode Charge Pump for
White LED Backlight and Flash Applications
Typical Characteristics–White 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)
VIH and VIL vs. VIN
0.850
0.825
0.800
0.775
0.750
0.725
0.700
0.675
0.650
0.625
0.600
40
35
30
25
20
15
10
VDIODE = 3.4V
VIH
VIL
VDIODE = 3.4V
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Input Voltage (V)
10
2801.2006.04.1.3