Datasheet

WPMDB1400362Q / 171040302
MagI
3
C Power Module
VDRM – Variable Step Down Regulator Module
we-online.com Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 1.0
© May 2016 10/48
0
10
20
30
40
50
60
70
30 100 1000
Frequency [MHz]
Radiated Emissions [dBµV/m]
Radiated Emissions 171040302
V
IN
= 5V, V
OUT
= 1.8V, f
SW
= 1MHz, I
LOAD
= 4A
Horizontal
Vertical
EN55022 Class A
EN55022 Class B
0
10
20
30
40
50
60
70
30 100 1000
Frequency [MHz]
Radiated Emissions [dBµV/m]
Radiated Emissions 171040302
V
IN
= 3.3V, V
OUT
= 1.8V, f
SW
= 1MHz, I
LOAD
= 4A
Horizontal
Vertical
EN55022 Class A
EN55022 Class B
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: V
IN
= 3.3V - 5V; C
IN
= 2 x 47µF X7R ceramic; C
OUT
= 2x 47µF X7R
ceramic, T
AMB
= 25°C.
RADIATED EMISSIONS EN55022 (CISPR-22) CLASS B COMPLIANT
Measured on module with PCB and without external filters at 3m antenna distance