SGM3139 Datasheet, PDF (4/10 Pages) SG Micro Corp – Ultra Low Dropout Current Source

SGM3139
6-Channel 1-Wire Dimming LED Driver
with Ultra Low Dropout Current Source
ELECTRICAL CHARACTERISTICS
(V_IN = 3.6V, C_IN = 1F, T_A = +25℃, unless otherwise noted.)
PARAMETER
Operation Voltage Range
EN/SET Pull Low Current
Quiescent Power Supply Current
Shutdown Current
ILEDx Accuracy
LED Current Deviation Matching
LED Dropout Voltage
EN/SET Low Time for Shutdown
EN/SET Low Time for Dimming
EN/SET High Time for Dimming
EN/SET ^{Logic-High Voltage}
Threshold _{Logic-Low Voltage}
Thermal Shutdown Temperature
Hysteresis Temperature
SYMBOL
VIN
IQ
ISHDN
ILED-ERR
DLED
VLED
TSHDN
TLO
THI
VIH
VIL
CONDITIONS
VEN/SET = 1.8V
VIN = 5.0V, LED OFF
VEN/SET = 0V, VIN = 5.0V
ILEDx = 20mA, VLED @ ILEDx = 90% × ILED
VEN > VIH for Enable IH
VEN < VIL for Disable IL
MIN
2.5
-10
-3
0.5
0.5
1.2
TYP MAX UNITS
5.0
V
0.01
A
0.72
mA
0.1
5
μA
+10
%
+3
%
35
mV
1.6
ms
500
μs
μs
V
0.5
V
145
℃
10
℃
SG Micro Corp
4
www.sg-micro.com