SGM3132 Datasheet, PDF (4/11 Pages) SG Micro Corp – Ultra Low Dropout Current Source

SGM3132
4-Channel 1-Wire Dimming LED Driver
with Ultra Low Dropout Current Source
ELECTRICAL CHARACTERISTICS
(V_IN = 3.6V, C_IN = 1μF, T_A = +25℃, unless otherwise noted.)
PARAMETER
Operation Voltage Range
EN Pull Low Current
Quiescent Power Supply Current
Shutdown Current
ILEDx Accuracy
LED Current Deviation Matching
LED Dropout Voltage
EN Low Time for Shutdown
EN Low Time for Dimming
EN High Time for Dimming
EN Threshold
Logic-High Voltage
Logic-Low Voltage
Thermal Shutdown Temperature
Hysteresis Temperature
SYMBOL
V_IN
I_Q
I_SHDN
ILED-ERR
D_LED
VLED
T_SHDN
T_LO
THI
V_IH
VIL
CONDITIONS
VEN = 1.8V
V_IN = 5.0V, LED OFF
V_EN = 0V, V_IN = 5.0V
ILEDx = 20mA, VLED @ ILEDx = 90% × ILED
V_EN > V_IH for Enable IH
VEN < VIL for Disable IL
MIN TYP MAX UNITS
2.5
5.0
V
0.01
A
0.55
mA
0.1
5
μA
-10
+10
%
-3
+3
%
35
mV
1.6
ms
0.5
500
μs
0.5
μs
1.2
V
0.5
V
150
℃
10
℃
SG Micro Corp
4
www.sg-micro.com