PRODUCT DATASHEET
AAT3113, AAT3114/14A
ChargePump
TM
High Efficiency 1.5X Fractional Charge Pumps For White LED Applications
Typical Characteristics
V
IN
= 3.5V, C
IN
= C
OUT
= C
1
= C
2
= 1µF; T
A
= 25°C, unless otherwise noted.
Normalized I
DIODE
vs. Temperature
1.02
1.01
1.00
I
DIODE
Response
(-31dB to 0dB)
I
DIODE
0.99
0.98
0.97
0.96
0.95
-40
-20
0
20
40
60
80
100
ENSET
(2V/div)
0dB
I
DIODE
-31dB
Temperature (°C)
Time (10µs/div)
I
DIODE
vs. V
IN
140
120
I
DIODE
Response
(-9dB to -10dB)
I
DIODE
(mA)
100
80
60
40
20
0
3.0
3.5
4.0
4.5
ENSET
(2V/div)
0dB
-10dB
I
DIODE
-9dB
-31dB
V
IN
(V)
Time (10µs/div)
I
DIODE
vs. V
DIODE
140
1.000
V
IH
and V
IL
vs. V
IN
I
DIODE
(mA)
100
80
60
40
20
0
3.0
3.2
3.4
3.6
3.8
4.0
V
IH
and V
IL
(V)
120
0.975
0.950
0.925
0.900
0.875
0.850
0.825
0.800
0.775
0.750
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V
IH
V
IL
V
DIODE
(V)
V
IN
(V)
6
www.analogictech.com
3113.2008.05.1.10
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
