Data Sheet
WLMDU9456001JT / 172946001
MagI
3
C Power Module
LDHM - LED Step Down High Current Module
We-online.com Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 1.0
© May 2016 4/35
ABSOLUTE MAXIMUM RATINGS
Caution:
Exceeding the listed absolute maximum ratings may affect the device negatively and may cause permanent damage.
SYMBOL
PARAMETER
LIMITS
UNIT
MIN
MAX
LED+, LED-
LED Input and LED output to GND
-0.3 67 V
DIM
PWM Dimming input to GND
-0.3 6 V
IFIX, ISET
LED current Adjustment Pins to GND
-0.3 5 V
V
ESD-HBM
ESD, human body model
(1)
(All Pins except IFIX Pin 6) -2000 2000 V
T
J
Junction temperature
150 °C
T
storage
Assembled, non operating storage temperature
0 150 °C
T
SOLR
Peak case/leads temperature during reflow soldering, max. 30sec
(2)
Maximum two cycles!
240 ±5°C °C
OPERATING CONDITIONS
Operating conditions are conditions under which operation of the device is intended to be functional. All values are
referenced to GND.
MIN and MAX limits are valid for the recommended ambient temperature range of -40°C to 85°C.
SYMBOL
PARAMETER
MIN
(3)
TYP
(4)
MAX
(3)
UNIT
LED+
Input voltage
4.5 - 60 V
DIM
PWM Dimming input
0 - 5.5 V
T
A
Ambient temperature range
-40 - 85 °C
T
J
Junction temperature range
-40 - 125 °C
I
LED
Nominal LED current
450 mA
THERMAL SPECIFICATIONS
SYMBOL
PARAMETER
TYP UNIT
θ
JA
Thermal resistance junction to ambient
(5)
19.3 °C/W
θ
JC
Thermal resistance junction to case, no air flow
1.9 °C/W
T
SD
Thermal shut down, junction temperature, rising
170 °C
T
SD-HYST
Thermal shut down hysteresis, falling
10 °C