irfr3505 International Rectifier Corp., irfr3505 Datasheet - Page 6

• Manufacturer Part Number: irfr3505
• Description: 55v Single N-channel Hexfet Power Mosfet In A D-pak Package
• Manufacturer: International Rectifier Corp.

Fig 12a. Unclamped Inductive Test Circuit
Fig 12b. Unclamped Inductive Waveforms
Fig 13b. Gate Charge Test Circuit
6
Fig 13a. Basic Gate Charge Waveform
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
4.0
3.6
3.2
2.8
2.4
2.0
1.6
400
300
200
100
0
Fig 12c. Maximum Avalanche Energy
-75 -50 -25
25
Starting T J , Junction Temperature (°C)
50
Vs. Drain Current
T J , Temperature ( °C )
0
75
25
50
100
75 100 125 150 175 200
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125
I D = 250µA
150
175