irfr430a International Rectifier Corp., irfr430a Datasheet - Page 6

• Manufacturer Part Number: irfr430a
• Description: Smps Mosfet
• Manufacturer: International Rectifier Corp.

IRFR430A/IRFU430A
Fig 12a. Unclamped Inductive Test Circuit
Fig 12b. Unclamped Inductive Waveforms
6
Fig 13b. Gate Charge Test Circuit
Fig 13a. Basic Gate Charge Waveform
I
A S
10 V
12V
V
V
G
GS
R G
2 0 V
Same Type as D.U.T.
V D S
Current Regulator
Q
.2 F
GS
t p
t p
50K
3mA
Current Sampling Resistors
I A S
.3 F
D .U .T
0 .0 1
L
I
G
Q
Charge
Q
V
GD
G
(B R )D SS
D.U.T.
I
D
1 5 V
+
-
V
DS
D R IV E R
+
-
V D D
A
Fig 14. Threshold Voltage Vs. Temperature
5.0
4.5
4.0
3.5
3.0
2.5
250
200
150
100
50
0
25
-75
Fig 12c. Maximum Avalanche Energy
Starting Tj, Junction Temperature
-50
50
-25
Vs. Drain Current
T J , Temperature ( °C )
0
75
25
50
100

I D = 250µA
TOP
BOTTOM
www.irf.com
75
( C)
°
100 125 150
125
2.2A
3.2A
5.0A
I D
150