Data Sheet

WPMDH1152401 / 171012402
MagI
3
C Power Module
VDRM – Variable Step Down Regulator Module
we-online.com Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 2.0
© December 2017 8/54
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: V
IN
= 24V; C
IN
= 10µF X5R ceramic; C
OUT
= 30µF X5R ceramic,
R
ON
= 182kΩ, T
AMB
= 25°C.
RADIATED AND CONDUCTED EMISSIONS
0
10
20
30
40
50
60
70
30 100 1000
Frequency [MHz]
Radiated Emissions
[dBµV
/m]
Radiated Emissions 171012402 (3m Antenna Distance)
V
IN
= 24V, V
OUT
= 12V, I
LOAD
= 2A
with input filter 4.7µF (885012209048) and 10µH (7447462100)
Horizontal Vertical
EN55022 Class A limit
EN55022 Class B limit
0
10
20
30
40
50
60
70
0.15 1 10
Frequency [MHz]
Conducted Emissions
[dBµV
]
Conducted Emissions 171012402
V
IN
= 24V, V
OUT
= 12V, I
LOAD
= 2A with input filter 4.7µF (885012209048) and 10µH (7447462100)
Average Quasi peak
EN55022 Class B Quasi Peak limit
EN55022 Class B Average limit
80
-10
300.5