AAT3112
500mA High Efficiency Charge Pump
for White LED Flash Applications
Typical Characteristics
VIN=3.5V, CIN=COUT=10µF, C1=C2=1µF, TA=25°C, unless otherwise noted.
VIN vs. VIH
1.00
0.95
-40°C
0.90
0.85
25°C
0.80
0.75
0.70
85°C
0.65
0.60
0.55
0.50
2.0
2.5
3.0
3.5 4.0
4.5
5.0
5.5
Input Voltage (V)
VIN vs. VIL
1.00
0.95
0.90
0.85
-40°C
0.80
25°C
0.75
0.70
0.65
85°C
0.60
0.55
0.50
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
VSHDN Threshold vs. Supply Voltage
1.00
0.95
0.90
0.85
VIH
0.80
0.75
0.70
0.65
VIL
0.60
0.55
0.50
2.0
2.5
3.0
3.5 4.0
4.5
5.0
5.5
Input Voltage (V)
3112.2004.12.1.2
5