STF21N65M5 datasheet(9/22 Pages) STMICROELECTRONICS

Part #	STF21N65M5

Description	N-channel 650 V, 0.150 Ω, 17 A MDmesh™V Power MOSFET D²PAK, TO-220FP, TO-220, I²PAK, TO-247

PDF	22 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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9 / 22 page

STB/F/I/P/W21N65M5

Test circuits

Doc ID 15427 Rev 4

9/22

Test circuits

Figure 19.

Switching times test circuit for

resistive load

Figure 20.

Gate charge test circuit

Figure 21.

Test circuit for inductive load

switching and diode recovery times

Figure 22.

Unclamped inductive load test

circuit

Figure 23.

Unclamped inductive waveform

Figure 24.

Switching time waveform

AM01468v1

VGS

D.U.T.

2200

µF

3.3

µF

VDD

AM01469v1

VDD

47k

Ω

47k

Ω

2.7k

Ω

12V

Vi=20V=VGMAX

2200

µF

IG=CONST

100

Ω

100nF

D.U.T.

AM01470v1

D.U.T.

Ω

FAST

DIODE

L=100

µH

µF

3.3

1000

µF

VDD

AM01471v1

D.U.T.

2200

µF

3.3

µF

VDD

AM01472v1

V(BR)DSS

VDD

IDM

AM05540v2

Vgs

Vds

90%Vds

10%Id

90%Vgs

Tdelay-off

Tfall

Trise

Tcross -over

10%Vds

90%Id

Vgs(I(t))

-off

Tfall

Trise

))

Concept waveform for Inductive Load Turn-off

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