SGM3139 Datasheet, PDF (5/10 Pages) SG Micro Corp – Ultra Low Dropout Current Source

SGM3139
6-Channel 1-Wire Dimming LED Driver
with Ultra Low Dropout Current Source
TYPICAL PERFORMANCE CHARACTERISTICS
LED Current vs. Input Voltage
25
LED1
20
LED2
LED3
LED4
15 LED5
LED6
10
5
0
2.5
3
3.5
4
4.5
5
Input Voltage (V)
LED Current vs. Temperature
24
22
20
18
16
-40
-15
10
35
60
85
Temperature (℃)
LED Current vs. LED Dropout Voltage
25
20
15
10
5
0
0
0.4
0.8
1.2
1.6
2
LED Dropout Voltage (V)
Quiescent Current vs. Temperature
0.8
0.75
0.7
0.65
0.6
-40
-15
10
35
60
85
Temperature (℃)
Line Transient Response
V_EN = 3.6V
V_IN = 3.2V to 3.7V
V_IN
I_LED
1V
/div
25mA
0mA
Time (100μs/div)
SG Micro Corp
5
www.sg-micro.com