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AN3994 Datasheet(PDF) 21 Page - STMicroelectronics

Part # AN3994
Description  One of the bigger challenges
PDF  53 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3994 Datasheet(HTML) 21 Page - STMicroelectronics

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AN3994
MD II and MD V: which is the lowest loss one?
Doc ID 022380 Rev 1
21/53
6
MD II and MD V: which is the lowest loss one?
A dynamic on bench comparison has been carried out on four different MD V/MD II
MOSFET couples in order to provide a reliable idea of their dynamic performances. All tests
have been issued by the same simple clamped inductive load test circuit (refer to Figure 7)
where the effects of parasitic elements have been reduced in order to make the effective
MOSFET behavior more understandable.
A 600 V,10 A SiC diode has been used as the clamp diode. The matches obtained under
evaluation are those displayed in Table 1. The following graphs show the energy ON, the
energy OFF, the di/dt, the dv/dt both at turn-on and turn-off of each compared match for
different RG values, and two ID current levels.
6.1
STB42N65M5 vs. STW48NM60N
Figure 18.
STB42N65M5 vs. STW48NM60N Eon @ 8 A/16 A, 400 V
Figure 19.
STB42N65M5 vs. STW48NM60N di/dt at turn-on @ 8 A/16 A, 400 V



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