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IRF740AS Datasheet(PDF) 6 Page - International Rectifier

Part # IRF740AS
Description  Switch Mode Power Supply (SMPS)
PDF  10 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRF740AS Datasheet(HTML) 6 Page - International Rectifier

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IRF740AS/L
6
www.irf.com
QG
QGS
QGD
VG
Charge
D.U.T.
VDS
ID
IG
3mA
VGS
.3
µF
50K
Ω
.2
µF
12V
Current Regulator
Same Type as D.U.T.
Current Sampling Resistors
+
-
10 V
Fig 13b. Gate Charge Test Circuit
Fig 13a. Basic Gate Charge Waveform
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
Fig 12b. Unclamped Inductive Waveforms
Fig 12a. Unclamped Inductive Test Circuit
tp
V (B R)DSS
I AS
R G
IAS
0.01
Ω
tp
D.U.T
L
V DS
+
-
VDD
DRIV E R
A
15 V
20V
25
50
75
100
125
150
0
200
400
600
800
1000
1200
1400
Starting T , Junction Temperature ( C)
J
°
ID
TOP
BOTTOM
4.5A
6.3A
10A
Fig 12d. Typical Drain-to-Source Voltage
Vs. Avalanche Current
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
IAV , Avalanche Current ( A)
480
500
520
540
560
580



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