STB85NF55_09 Datasheet, PDF (8/15 Pages) STMicroelectronics – N-channel 55 V, 0.0062 Ω, 80 A, TO-220, D2PAK, I2PAK STripFET™ II Power MOSFET

Test circuits
3
Test circuits
STB/I/P85NF55
Figure 14. Switching times test circuit for
resistive load
Figure 15. Gate charge test circuit
VDD
VD
VGS
RG
PW
RL
2200
µF
D.U.T.
3.3
µF _VDD
12V
47kΩ
1kΩ
100nF
Vi=20V=VGMAX
2200
µF
IG=CONST
2.7kΩ
100Ω
D.U.T.
VG
47kΩ
PW
AM01468v1
1kΩ
AM01469v1
Figure 16. Test circuit for inductive load
Figure 17. Unclamped inductive load test
switching and diode recovery times
circuit
A
AA
D
FAST
G
D.U.T.
DIODE
L=100µH
VD
S
B
3.3
1000
B
25 Ω
B
D
µF
µF
VDD
ID
G
RG
S
Vi
Pw
AM01470v1
Figure 18. Unclamped inductive waveform
V(BR)DSS
VD
L
2200
3.3
µF
µF
VDD
D.U.T.
AM01471v1
VDD
IDM
ID
VDD
AM01472v1
8/15
Doc ID 8405 Rev 9