SGM3146 Datasheet, PDF (5/12 Pages) SG Micro Corp – Driver with Low Dropout Current Source

SGM3146
8-Channel Charge Pump White LED
Driver with Low Dropout Current Source
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs. Input Voltage
95
85
75
65
VLED = 3.2V
55
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
Input Voltage (V)
SG Micro Corp
www.sg-micro.com
Quiescent Current vs. Temperature
0.20
0.18
0.16
0.14
0.12
V_IN = 4.2V
0.10
-55 -35 -15 5 25 45 65 85 105
Temperature (℃)
LED Current Regulation vs. Input Voltage
36
27
18
9
V_LED = 3.2V
0
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
Input Voltage (V)
5