IRF740ASTRL 查看數據表（PDF） - Vishay Semiconductors
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IRF740ASTRL Datasheet PDF : 8 Pages
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IRF740AS, IRF740AL, SiHF740AS, SiHF740AL
Vishay Siliconix
10.0
8.0
6.0
4.0
2.0
0.0
25
50
75
100
125
150
TC , Case Temperature ( °C)
Fig. 9 - Maximum Drain Current vs. Case Temperature
10
VDS
VGS
RG
RD
D.U.T.
10 V
Pulse width ≤ 1 µs
Duty factor ≤ 0.1 %
+- VDD
Fig. 10a - Switching Time Test Circuit
VDS
90 %
10 %
VGS
td(on) tr
td(off) tf
Fig. 10b - Switching Time Waveforms
1
D = 0.50
0.20
0.1
0.10
0.05
0.02
0.01
0.01
SINGLE PULSE
(THERMAL RESPONSE)
PDM
t1
t2
Notes:
1. Duty factor D = t1 / t 2
0.001
2. Peak T J = P DM x Z thJC + TC
0.00001
0.0001
0.001
0.01
0.1
1
10
t1 , Rectangular Pulse Duration (sec)
Fig. 11 - Maximum Effective Transient Thermal Impedance, Junction-to-Case
15 V
VDS
L
Driver
RG
20 V
tp
D.U.T
IAS
0.01 Ω
+
- VDAD
Fig. 12a - Unclamped Inductive Test Circuit
Document Number: 91052
S-Pending-Rev. A, 19-Jun-08
VDS
tp
IAS
Fig. 12b - Unclamped Inductive Waveforms
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5
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