irlr7843 International Rectifier Corp., irlr7843 Datasheet - Page 6

• Manufacturer Part Number: irlr7843
• Description: 30v Single N-channel Hexfet Power Mosfet In A I-pak Package
• Manufacturer: International Rectifier Corp.

IRLR/U7843
Fig 12a. Unclamped Inductive Test Circuit
6
Fig 12b. Unclamped Inductive Waveforms
Fig 13. Gate Charge Test Circuit
I
AS
12V
V
GS
R G
20V
Same Type as D.U.T.
V
V DS
GS
Current Regulator
.2µF
t p
50KΩ
3mA
I AS
Current Sampling Resistors
D.U.T
t p
.3µF
0.01 Ω
L
I
G
D.U.T.
15V
I
V
D
(BR)DSS
DRIVER
+
-
V
+
-
DS
V DD
A
90%
6000
5000
4000
3000
2000
1000
V
10%
V
DS
Fig 14b. Switching Time Waveforms
Fig 14a. Switching Time Test Circuit
0
GS
25
Fig 12c. Maximum Avalanche Energy
t
Starting T J , Junction Temperature (°C)
d(on)
50
Duty Factor < 0.1%
Pulse Width < 1µs
V
GS
t
Vs. Drain Current
r
75
V
DS
100
t
d(off)
D.U.T
125
www.irf.com
L
TOP
BOTTOM
t
D
f
V
DD
150
+
-
9.6A
8.6A
12A
I D
175