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 19/48
Step 1 Setting the output voltage (V
OUT
)
The output voltage is selected with a resistor divider across FB pin and AGND. The upper resistor of 1430 Ω of the feedback
voltage resistor divider is located inside the module. The output voltage adjustment range is from 0.8V to 3.6V.
R

=
V

∗1430Ω
V

−V


(
Ω
)
(1)
V
REF
is the internal reference voltage (0.8V).
V
OUT
3.3V 3.0V 2.5V 1.8V 1.5V 1.2V 1.0V 0.8V
R
SET
(E96) 453Ω 523Ω 665Ω 1130Ω 1620Ω 2870Ω 5620Ω open
V
O UT
35
AGND
143 0Ω
36
R
SET
AGND
VOUT
FB