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 37/48
The placement of the input capacitors is highlighted in the following pictures of the evaluation board.
The positive terminal of CIN1 and CIN2 need to be very close to the V
IN
pins of the power module.
C
IN1
C
IN2
C
OUT1
C
OUT2
R
SET
R
RT
MagI
3
C Module
V
IN +
V
IN -
V
OUT -
V
OUT +
Bottom
GROUND PLANE
VIN
VIN
VIN
AGND
AGND
FB
VSENSE+
PGND
VOUT
RT/CLK
30
31
32
33
34
35
36
4
38
9
10
11
8
12
13
14
SW
1
29
28 27
UVLO
ENABLE PG
6
SS/TRK
5 7
39
37
C
SS
PCB color coding: Top layer Bottom layer
The negative terminal of C
IN1
and C
IN2
need to be very close to the PGND pad of the power module. The ground path is
passing through the vias at the C
IN
terminals and thermal vias around the PGND pad.
C
IN1
C
IN2
C
OUT1
C
OUT2
R
SET
R
RT
MagI
3
C Module
V
IN +
V
IN -
V
OUT -
V
OUT +
Bottom
GROUND PLANE
VIN
VIN
VIN
AGND
AGND
FB
VSENSE+
PGND
VOUT
RT/CLK
30
31
32
33
34
35
36
4
38
9
10
11
8
12
13
14
SW
1
29
28 27
UVLO
ENABLE
PG
6
SS/TRK
5 7
39
37
C
SS