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 5/54
ELECTRICAL SPECIFICATIONS
MIN and MAX limits are valid for the recommended junction temperature range of -40°C to 125°C. Typical values represent
statistically the utmost probable values at the following conditions: V
IN
= 24V, V
OUT
= 12V, T
A
= 25°C
,
unless otherwise
specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(1)
TYP
(4)
MAX
(1)
UNIT
Output current
I
CL
Current limit threshold
2.40
3.20
3.95
A
Output voltage
V
FB
Reference voltage
V
SS
>0.8V,
T
J
=25°C,
I
OUT
= 10mA
0.786
0.803
0.818
V
Reference voltage over
temperature
V
SS
>0.8V,
-40°C≤T
J
≤125°C,
I
OUT
= 2A
0.784
0.804
0.825
V
I
FB
Feedback input bias current
-
5
-
nA
V
OUT
Line regulation
V
IN
= 16V to 42V
I
OUT
= 2A
-
±0.01
-
%
Load regulation
V
IN
= 24V
I
OUT
= 0A to 2A
-
1.5
-
mV/A
Output voltage ripple
V
OUT
= 5V, R
ON
= 249kΩ
C
OUT
= 100μF 6.3V X7R
20MHz BWL
-
8
-
mV
pp
Protections
V
FB-OVP
Feedback overvoltage
protection threshold
-
0.92
-
V
Switching frequency
f
SW
Switching frequency
Continuous Conduction Mode
(CCM)
0.2
-
0.8
MHz
t
ON-MIN
ON timer minimum pulse
width
-
150
-
ns
t
OFF-MIN
OFF timer minimum pulse
width
-
260
-
ns
Enable
V
ENABLE
EN threshold trip point
V
EN
rising
1.10
1.18
1.25
V
EN threshold hysteresis
V
EN
falling
-
90
-
mV
Soft-Start
t
SS
Soft-start time
C
SS
= 4.7nF
-
0.5
-
ms
I
SS
SS pin source current
V
SS
= 0V
8
10
15
µA
I
SS-DIS
SS discharge current
-
-200
-
µA