Datasheet

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© May 2016
Würth Elektronik eiSos GmbH & Co. KG - Data Sheet - REV 1.0
11/46
WPMDU1251501 / 171021501
MagI³C Power Module
VDRM - Variable Step Down Regulator Module
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: V
IN
= 7-50V; C
IN
= 2x 2.2µF X7R ceramic; C
O
= 2x 47µF X7R ceramic,
T
AMB
= 25°C.
04D
Efficiency [%]
Efficiency: V
IN
= 48V @ T
AMB
= 25°C
V
OUT
= 5.0V, f
SW
= 500 kHz
V
OUT
= 3.3V, f
SW
= 400 kHz
V
OUT
= 12V, f
SW
= 800 kHz
V
OUT
= 15V, f
SW
= 1000 kHz
50
55
60
65
70
75
80
85
90
95
100
0
0.5
1.0 1.5 2.0 2.5
Output Current [A]
08D
Power Loss [W]
Output Current [A]
Power Loss: V
IN
= 48V @ T
AMB
= 25°C
0
0.5
1.0 1.5 2.0 2.5
0
1
2
3
4
5
6
V
OUT
= 5.0V, f
SW
= 500 kHz
V
OUT
= 3.3V, f
SW
= 400 kHz
V
OUT
= 12V, f
SW
= 800 kHz
V
OUT
= 15V, f
SW
= 1000 kHz
09D
Output Voltage Ripple [mV]
Output Voltage Ripple: V
IN
= 12V
@ T
AMB
= 25°C
0
0.5
1.0 1.5 2.0 2.5
Output Current [A]
0
10
20
30
40
50
60
70
V
OUT
= 5.0V, f
SW
= 500 kHz
V
OUT
= 3.3V, f
SW
= 400 kHz
V
OUT
= 2.5V, f
SW
= 400 kHz
10D
Output Voltage Ripple [mV]
Output Voltage Ripple: V
IN
= 24V
@ T
AMB
= 25°C
0
0.5
1.0 1.5 2.0 2.5
Output Current [A]
0
10
20
30
40
50
60
70
V
OUT
= 5.0V, f
SW
= 500 kHz
V
OUT
= 3.3V, f
SW
= 400 kHz
V
OUT
= 2.5V, f
SW
= 400 kHz
V
OUT
= 12V, f
SW
= 800 kHz
V
OUT
= 15V, f
SW
= 1000 kHz
13D
Output Voltage Ripple [mV]
Output Voltage Ripple: V
IN
= 36V
@ T
AMB
= 25°C
0
0.5
1.0 1.5 2.0 2.5
Output Current [A]
0
10
20
30
40
50
60
70
V
OUT
= 5.0V, f
SW
= 500 kHz
V
OUT
= 3.3V, f
SW
= 400 kHz
V
OUT
= 2.5V, f
SW
= 400 kHz
V
OUT
= 12V, f
SW
= 800 kHz
V
OUT
= 15V, f
SW
= 1000 kHz
14D
Output Voltage Ripple [mV]
Output Voltage Ripple: V
IN
= 48V
@ T
AMB
= 25°C
0
0.5
1.0 1.5 2.0 2.5
Output Current [A]
0
10
20
30
40
50
60
70
V
OUT
= 5.0V, f
SW
= 500 kHz
V
OUT
= 3.3V, f
SW
= 400 kHz
V
OUT
= 12V, f
SW
= 800 kHz
V
OUT
= 15V, f
SW
= 1000 kHz