SGM3131 Datasheet, PDF (7/13 Pages) SG Micro Corp – Driver with Low Dropout Current Source

SGM3131
120mA 4-Channel Charge Pump White LED
Driver with Low Dropout Current Source
TYPICAL PERFORMANCE CHARACTERISTICS
100
90
80
70
60
50
40
2.7
Efficiency vs. Input Voltage
I_LEDX = 15mA V_F = 2.95V
I_LEDX = 25mA V_F = 3.05V
3.2
3.7
4.2
4.7
5.2 ^5.5
Input Voltage (V)
26
25
24
23
22
21
20
19
18
17
16
15
14
3.2
LED Current Regulation vs. Input Voltage
3.7
4.2
4.7
Input Voltage (V)
5.2 ^5.5
SG Micro Corp
7
www.sg-micro.com