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 13/35
DESIGN FLOW
C
IN
LED+
DIM
PGND
ISET
IFIX
LED-
Module
AGND
1
3
EP
6
V
IN
2
LED+
7
5
4
R
IADJ
High Power LED String
C
OUT
Setup for full adjustable LED current
According to equation (1) LED current values lower than 300mA can be also set. The minimum value of the LED current
depends on the minimum current that keeps the device operating in CCM. This current is a function of the number of LEDs
and the input voltage:
I
,_
=
(V

−V

)∙V

2∙L∙f

∙V

(2)