IRFR18N15 IRF [International Rectifier], IRFR18N15 Datasheet - Page 6

• Manufacturer Part Number: IRFR18N15
• Description: SMPS MOSFET
• Manufacturer: IRF [International Rectifier]

IRFR18N15D/IRFU18N15D
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
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
500
400
300
200
100
0
25
Fig 12c. Maximum Avalanche Energy
Starting T , Junction Temperature ( C)
50
Vs. Drain Current
J
75
100
125
TOP
BOTTOM
www.irf.com
150
°
4.4A
9.0A
I D
11A
175