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 8/35
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: VIN = 48 V; CIN = 2.2 µF 100 V X7R ceramic capacitor for driving
5-13 power LEDs, I
LED
= 350 mA; Single LED forward voltage used is 3.2 V; TAMB = 25 °C
I
LED
Regulation: 300mA; T
AMB
= 25°C
0 10 20 30 40
-3
-2
-1
0
1
2
3
I
LED
Regulation (%)
Input Voltage (V)
1LED
2LED
3LED
4 L ED
I
LED
Regulation: 300mA; T
AMB
= 25°C
-3
-2
-1
0
1
2
3
I
LED
Regulation (%)
Input Voltage (V)
25 30 35 40 45 50 55 60
6 L ED
1 0L ED
1 4L ED
16LED
I
LED
Regulation over Temperature
I
LE D
Regulation (%)
Temper ature (°C)
-50 -25 0 25 50 75 100 125
-3
-2
-1
0
1
2
3
11LED (V
IN
= 60V)
8LED (V
IN
= 48V)
6LED (V
IN
= 36V)
I
LED
vs V
IN
- 6LED
LED Current (mA)
Input Voltage (V)
0 10 20 30 40 50 60
0
50
1 00
1 50
2 00
2 50
3 00
3 50
4 00
4 50
25°C
-40°C
125°C
Input current vs V
IN
; V
DIM
= 0V
Input Current (mA)
Input Voltage (V)
0 10 20 30 40 50 60
0.0
0.5
1.0
1.5
2.0
2.5
3.0
25°C
-40°C
125°C
Input current vs V
IN
LED = open; DIM = open
InputCurrent(mA)
Input Voltage (V)
0 10 20 30 40 50 60
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
25°C
-40°C
125 °C