IRF840L Datasheet, PDF (6/9 Pages) Vishay Siliconix – Ease of Paralleling

IRF840L, SiHF840L
Vishay Siliconix
1200
1000
800
Top
Bottom
I_D
3.6 A
5.1 A
8.0 A
600
400
200
V_DD = 50 V
0
25
50
75
100
125
150
91069_12c
Starting T_J, Junction Temperature (°C)
Fig. 13 - Maximum Avalanche Energy vs. Drain Current
10 V
Q_GS
V_G
Q_G
Q_GD
Charge
Fig. 13a - Basic Gate Charge Waveform
Current regulator
Same type as D.U.T.
12 V
50 kΩ
0.2 µF
0.3 µF
+
D.U.T. - ^VDS
V_GS
3 mA
I_G
I_D
Current sampling resistors
Fig. 13b - Gate Charge Test Circuit
www.vishay.com
6
Document Number: 91069
S10-2554-Rev. B, 08-Nov-10