AAT3112 Datasheet, PDF (8/16 Pages) Advanced Analogic Technologies – 500mA High Efficiency Charge Pump for White LED Flash Applications

AAT3112
500mA High Efficiency Charge Pump
for White LED Flash Applications
Typical Characteristics- AAT3112-4.5V
V_IN = 3.5V, C_IN = C_OUT = 10μF, C₁ = C₂ = 1μF; T_A = 25°C, unless otherwise noted.
Output Voltage vs. Input Voltage for
Pulsed High Current
(I_OUT = 500mA)
5
4.5 50ms Pulse
4
3.5
500ms Pulse
3
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
3112.2007.01.1.5