SIHF840AS Ver la hoja de datos (PDF) - Vishay Semiconductors
Número de pieza
componentes Descripción
Fabricante
SIHF840AS Datasheet PDF : 8 Pages
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IRF840AS, IRF840AL, SiHF840AS, SiHF840AL
Vishay Siliconix
15 V
VDS
L
Driver
RG
20 V
tp
D.U.T.
IAS
0.01 Ω
+
- VDAD
Fig. 12a - Unclamped Inductive Test Circuit
VDS
tp
IAS
Fig. 12b - Unclamped Inductive Waveforms
1200
1000
800
TOP
BOTTOM
ID
3.6A
5.1A
8.0A
600
400
200
0
25
50
75
100
125
150
Starting TJ , Junction Temperature ( °C)
Fig. 12c - Maximum Avalanche Energy vs. Drain Current
www.vishay.com
6
Fig. 12d - Typical Drain-to-Source Voltage vs.
Avalanche Current
10 V
QGS
VG
QG
QGD
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
VGS
3 mA
IG
ID
Current sampling resistors
Fig. 13b - Gate Charge Test Circuit
Document Number: 91066
S-81412-Rev. A, 07-Jul-08
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