Datasheet

Data Sheet
©2014
Würth Elektronik eiSos GmbH & Co. KG - REV 0.1
PRELIMINARY
5/ 21
172946001
MagI³C Power Module Product Family
LDHM - LED Step Down High Current Module
M TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: V
IN
= 28 V; C
IN
= 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; T
AMB
= 25 °C
01D
0 10 20 30 40
60
65
70
75
80
85
90
95
100
Efficiency (%)
Input Voltage(V)
1LED
2LED
3LED
4LED
Efficiency: I
LED
= 350mA; T
AMB
= 25°C
02D
Efficiency (%)
Input Voltage(V)
Efficiency: I
LED
= 350mA; T
AMB
= 25°C
25 30 35 40 45 50 55 60
75
80
85
90
95
6LED
10LED
14LED
16LED
07D
I
LED
Regulation: 350mA; 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
4LED
08D
I
LED
Regulation: 350mA; 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
6LED
10LED
14LED
16LED
03D
0 10 20 30 40
60
65
70
75
80
85
90
95
100
Efficiency (%)
Input Voltage(V)
1LED
2LED
3LED
4LED
Efficiency: I
LED
= 450mA; T
AMB
= 25°C
04D
Efficiency (%)
Input Voltage(V)
Efficiency: I
LED
= 450mA; T
AMB
= 25°C
25 30 35 40 45 50 55 60
75
80
85
90
95
6LED
10LED
14LED
16LED