irf2805 International Rectifier Corp., irf2805 Datasheet - Page 6

• Manufacturer Part Number: irf2805
• Description: 55v Single N-channel Hexfet Power Mosfet In A To-220ab Package
• Manufacturer: International Rectifier Corp.

Fig 12a. Unclamped Inductive Test Circuit
Fig 12b. Unclamped Inductive Waveforms
Fig 13b. Gate Charge Test Circuit
Fig 13a. Basic Gate Charge Waveform
6
I
AS
12V
V
V
G
GS
R G
20V
V
Same Type as D.U.T.
V DS
GS
Current Regulator
Q
.2 F
GS
t p
t p
50K
3mA
Current Sampling Resistors
I AS
D.U.T
.3 F
0.01
L
I
G
Q
Charge
Q
V
GD
G
(BR)DSS
D.U.T.
I
D
15V
+
-
V
DS
DRIVER
+
-
V DD
A
Fig 14. Threshold Voltage Vs. Temperature
1000
800
600
400
200
4.0
3.0
2.0
1.0
0
25
Fig 12c. Maximum Avalanche Energy
-75 -50 -25
Starting Tj, Junction Temperature
50
Vs. Drain Current
T J , Temperature ( °C )
75
0
25
100
50
I D = 250µA
75
TOP
BOTTOM
125
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100 125 150 175
( C)
°
150
104A
43A
87A
I D
175