AN3994 datasheet(21/53 Pages) STMICROELECTRONICS

tên linh kiện	AN3994

Giải thích chi tiết về linh kiện	One of the bigger challenges

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AN3994

MD II and MD V: which is the lowest loss one?

Doc ID 022380 Rev 1

21/53

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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