AAT3103 Datasheet, PDF (5/17 Pages) Advanced Analog Technology, Inc. – 3-Channel Charge-Pump LED Driver

ChargePump^TM
Typical Characteristics
Shutdown Current vs. Temperature
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.00
-40
VIN = 5.5V
VIN = 2.7V
-15
10
35
60
85
Temperature (°C)
Operating Current vs. Input Voltage
(No Load; D1, D2, D3 Open)
4.2
4.1
3.9
3.8
3.6
2.5
3
3.5
4
4.5
Input Voltage (V)
85°C
25°C
-40°C
5
5.5
Efficiency vs. Input Voltage
100
90
80
70
60
50
40
30
20
ILED = 30mA,VF = 3.5V
ILED = 20mA,VF = 3.2V
10
ILED = 10mA,VF = 3.0V
0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
PRODUCT DATASHEET
AAT3103
3-Channel Charge-Pump LED Driver
Operating Current vs. Input Voltage
(V_D1 = V_D2 = V_D3 = 0V)
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
2.5
3
3.5
4
-40°C
25°C
85°C
4.5
5
5.5
Input Voltage (V)
LED Current Matching vs. Temperature
21.0
20.5
20.0
19.5
19.0
-40
D1
D2
D3
-15
10
35
60
85
Temperature (°C)
I_LED Full Scale vs. R_SET
35
28
21
14
7
0
8
13
18
23
28
33
R_SET (kΩ)
3103.2008.03.1.0
www.analogictech.com
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