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Data Sheet

ManualsBrandsWÜRTH ELEKTRONIK ManualsPSU ComponentsDC/DC converter (SMD) 1 A No. of outputs: 1 x
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Würth Elektronik eiSos GmbH & Co. KG - Data Sheet - REV 1.0
3/31
WPMDH1102401 / 171012401
MagI³C Power Module
VDRM - Variable Step Down Regulator Module
ABSOLUTE MAXIMUM RATINGS
Caution:
Exceeding the listed absolute maximum ratings may affect the device negatively and may cause permanent damage.
SYMBOL
PARAMETER
LIMITS
UNIT
V
IN
, R
ON
Input Voltage, On-time resistor
-0.3 to 43.5
V
EN, FB, SS
Enable, Feedback, Soft-start Input
-0.3 to 7.0
V
V
ESD-HBM
ESD, human body model
(1)
-2000 to 2000
V
T
J
Junction temperature
150
°C
T
ST
Storage temperature
-65 to 150
°C
T
SOLR
Peak case/leads temperature during reflow soldering, max. 20sec
(2)
Maximum two cycles!
240 ±5°C
°C
SYMBOL
PARAMETER
MIN
(3)
TYP
(4)
MAX
(3)
UNIT
V
IN
Input voltage
6
-
42
V
V
OUT
Regulated output voltage
5
24
V
EN
Enable input
0
-
6.5
V
T
A
Ambient temperature range
-40
-
note (5)
°C
T
J
Junction temperature range
-40
-
125
°C
THERMAL SPECIFICATIONS
SYMBOL
PARAMETER
TYP
UNIT
θ
JA
Thermal resistance junction to ambient
(6)
16
°C/W
θ
JC
Thermal resistance junction to case, no air flow
1.9
°C/W
T
SD
Thermal shut down, junction temperature, rising
165
°C
T
SD-HYST
Thermal shut down hysteresis, falling
15
°C
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 probability at following conditions: V
IN
=24V, V
OUT
=12V, R
ON
=249KΩ T
A
=25°C, unless
otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
(3)
TYP
(4)
MAX
(3)
UNIT
I
OCP
Over current protection
1.5
1.95
2.7
A
V
EN
EN threshold trip point
V
EN
rising
1.10
1.18
1.25
V
V
EN-HYS
EN threshold hysteresis
V
EN
falling
-
90
-
mV
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
OFF timer pulse width
-
260
-
ns
I
SS
SS pin source current
V
SS
= 0V
8
10
15
µA
t
SS
Soft-start time
C
SS
= 4.7nF
0.5
ms
I
SS-DIS
SS discharge current
-
-200
-
µA