WPMDM1500602 / 171050601
MagI3C Power Module
VDRM – Variable Step Down Regulator Module
The results of the load transient tests with the selected COUT are shown below:
Load Transient from 1A to 5A, VIN = 12V, VOUT = 3.3V
6
5
IOUT2
4
3
VOUT
∆VOUT = 85mV
2
1
IOUT1
0
0,0
0,2
0,4
0,6
0,8
1,0
Time [ms]
6
5
IOUT1
Load Transient from 5A to 1A, VIN = 12V, VOUT = 3.3V
4
∆VOUT = 88mV
3
VOUT
2
IOUT2
1
0
0,0
0,2
0,4
0,6
0,8
1,0
Time [ms]
200
150
100
50
0
-50
-100
-150
-200
1,2
200
150
100
50
0
-50
-100
-150
-200
1,2
In both the positive and the negative transition, the ∆VOUT is below the target (100mV). The explanation of the strong
reduction of the ∆VOUT lies in the use of a capacitance value higher than the one calculated.
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© July 2018
Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 2.0
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