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 26/35
PROTECTIVE FEATURES
Shorted LED protection
Example
3V
LED shorted
18V
350mA
350mA
3V
3V
3V
3V
15V
3V
0V
3V
3V
3V
3V
3V
In case of a short circuit of one or more LEDs, the loop will react in order to adapt the voltage across the LED string, as
shown in the picture below.
8
10
12
14
16
18
20
22
24
0 50 100 150 200
LED Voltage [V]
Time [µs]
Shorted LED protection
LEDshorted
6 LEDs
5 LEDs