Datasheet

Data Sheet
©2013
Würth Elektronik eiSos GmbH & Co. KG - REV 0.2
PRELIMINARY
20/ 25
171032401/WPMDH1302401J
MagI³C Power Module Product Family
VDRM - Variable Step Down Regulator Module
O APPLICATIONS
The MagI³C power module for high output voltage is easy-to-use DC-DC solutions capable of driving up to a 3A
load with exceptional power conversion efficiency, output voltage accuracy, line and load regulation. They are
available in an innovative package that enhances thermal performance and allows for hand or machine soldering.
Following application circuits show possible operating configurations.
APPLICATIONS CIRCUIT
O1
R
ON
V
IN
RON
VIN
EN AGND SS
FB
VOUT
MP1
R
ENT
R
ENB
R
FBT
R
FBB
C
SS
C
FF
C
OUT
1
V
OUT
Enable
C
IN
2
C
IN
1
1µF
4700pF
C
OUT
2
0.022µF
1µF 47µF
UVLO @ 13.5V
15V to 42V
10µF
2.43kΩ
249kΩ
12V @ 3A
34kΩ
124kΩ
11.8kΩ
Bill of Materials for Design Example 1:
O1a
Ref Design
Description
Case Size
Part
MP1
MagI³C Power Module
7 pin PFM
WE MagI³C Power Module
C
IN
1
, C
OUT
1
1μF, 50V, X7R, ±10%
1206
Capacitor
C
IN
2
10µF, 50V, X5R, ±20%
1210
Capacitor
C
OUT
2
47µF, 35mΩ, 16V, ±20%
7343-43
Capacitor
C
FF
0.022μF, X7R, 100V,
0805
Capacitor
C
SS
4700pF, X7R, 25V
0805
Capacitor
R
ENB
11.8kΩ, ±1%
0805
Resistor
R
ENT
124kΩ, ±1%
0805
Resistor
R
FBT
34kΩ, ±1%
0805
Resistor
R
FBB
2.43kΩ, ±1%
0805
Resistor
R
ON
249kΩ, ±1%
0805
Resistor