PRODUCT DATASHEET
AAT3195
TM
ChargePump
4-Channel Charge-Pump LED Driver
Typical Characteristics
Quiescent Current vs. Input Voltage
No Load Operating Current vs. Input Voltage
4.5
4.0
3.5
3.0
0.26
0.25
0.24
0.23
0.22
0.21
0.20
0.19
0.18
°
85°C
25°C
-40°C
85°C
2.5
25°C
-40°C
2.0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
5.5
5.5
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Input Voltage (V)
AAT3195-1 Efficiency vs. Input Voltage
AAT3195-1 Current Matching vs. Temperature
(ILED = 30mA; VF = 4V)
(VIN = 3.6V)
36
100%
80%
60%
40%
20%
0%
D1
34
32
30
28
26
24
D2
D3
D4
2.7
3.1
3.5
3.9
4.3
4.7
5.1
-40
-15
10
35
60
85
Input Voltage (V)
Temperature (°C)
AAT3195-2 Efficiency vs. Input Voltage
AAT3195-2 Current Matching vs. Temperature
(ILED = 20mA; VF = 3.6V)
100%
22.0
D1
90%
80%
70%
60%
50%
40%
30%
20%
21.5
21.0
20.5
20.0
19.5
19.0
D2
D3
D4
2.7
3.1
3.5
3.9
4.3
4.7
5.1
-40
-15
10
35
60
85
Input Voltage (V)
Temperature (°C)
w w w . a n a l o g i c t e c h . c o m
6
3195.2009.06.1.3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
