AAT3112
500mA High Efficiency Charge Pump
for White LED Flash Applications
Typical Characteristics-AAT3112-4.5V
VIN=3.5V, CIN=COUT=10µF, C1=C2=1µF, TA=25°C, unless otherwise noted.
Output Voltage vs. Input Voltage for
Pulsed High Current, IOUT = 500mA
5
4.5 50ms Pulse
4
3.5
3
500ms Pulse
2.5
2
1.5
1
0.5
0
3
3.2
3.4
3.6
3.8
4
4.2
Input Voltage (V)
8
3112.2004.12.1.2