SGM3123 Datasheet, PDF (4/10 Pages) SG Micro Corp – White LED Driver with LowDropout CurrentSource

SGM3123
White LED Driver with
Low Dropout Current Source
ELECTRICAL CHARACTERISTICS
(VIN = 3.7V, TA = +25°C, unless otherwise noted.)
PARAMETER
Operation Voltage Range
Shutdown Supply Current
LED Sink Current
Quiescent Power Supply Current
LED Dropout Voltage
LED Current Deviation Matching
OPT
OPT Hysteresis
Input High Voltage at EN
Input Low Voltage at EN
SYMBOL
VIN
I_SHDN
I_LED
IQ
D_LED
CONDITIONS
V_EN < 0.4V
ILED = 0
ILED = 20mA, VLED @ ILEDn = 90% × ILED
VIH
VEN > VIH for enable IH
V_IL
V_EN < V_IL for disable IL
MIN TYP MAX UNITS
2.5
5.0
V
1
μA
18
20
22
mA
190
μA
40
90
mV
-5
+5
%
150
°C
10
°C
1.5
V
0.4
V
SG Micro Corp
4
www.sg-micro.com