AAT3113, AAT3114/14A
High Efficiency 1.5X Fractional Charge
Pumps For White LED Applications
Typical Characteristics
VIN = 3.5V, CIN = COUT = C1 = C2 = 1µF; TA = 25°C, unless otherwise noted.
Normalized IDIODE vs. Temperature
IDIODE Response
(-31dB to 0dB)
1.02
1.01
ENSET
(2V/div)
1.00
0.99
0.98
0.97
0dB
IDIODE
0.96
0.95
-31dB
-40
-20
0
20
40
60
80
100
Time (10µs/div)
Temperature (°C)
IDIODE vs. VIN
IDIODE Response
(-9dB to -10dB)
140
120
100
80
ENSET
(2V/div)
0dB
60
-10dB
40
IDIODE
20
-9dB
0
-31dB
3.0
3.5
4.0
4.5
VIN (V)
Time (10µs/div)
IDIODE vs. VDIODE
VIH and VIL vs. VIN
140
120
100
80
1.000
0.975
0.950
0.925
0.900
0.875
0.850
0.825
0.800
0.775
0.750
VIH
60
VIL
40
20
0
3.0
3.2
3.4
3.6
3.8
4.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VDIODE (V)
VIN (V)
6
3113.2006.07.1.9
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
