AAT3156
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
Typical Characteristics
T
LAT
vs. V
IN
350
300
250
400
350
T
OFF
vs. V
IN
-40°C
T
OFF
(µs)
µ
300
250
200
150
100
50
0
-40°C
T
LAT
(µs)
µ
200
150
100
50
0
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
25°C
85°C
25°C
85°C
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
V
IN
(V)
V
IN
(V)
Input Ripple vs. V
IN
25
20
15
10
5
0
2.50
2.67
2.84
3.01
3.18
3.35
3.52
3.69
3.86
4.03
4.20
1.2
1.1
V
IH
vs. V
IN
Amplitude (mV)
30mA
V
IH
(V)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
-40°C
20mA
10.2mA
25°C
85°C
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
V
IN
(V)
V
IN
(V)
V
IL
vs. V
IN
1.2
1.1
1
0.9
-40°C
V
IL
(V)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
25°C
85°C
V
IN
(V)
3156.2005.09.1.2
7
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
