SGM3142 Datasheet, PDF (5/14 Pages) SG Micro Corp – Driver with Low Dropout Current Source

SGM3142
6-Channel Charge Pump White LED Driver
with Low Dropout Current Source
TYPICAL PERFORMANCE CHARACTERISTICS
C_IN = C_OUT = C1 = C2 = 1μF, T_A = +25℃, unless otherwise noted.
Efficiency vs. Input Voltage (6×20mA)
100
90
80
70
60
50
V_DIODE = 3.25V
40
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
Efficiency vs. Input Voltage (6×10mA)
100
90
80
70
60
50
V_DIODE = 3.1V
40
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
Input Voltage (V)
5