IRFR420A データシートの表示（PDF） - Kersemi Electronic Co., Ltd.
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IRFR420A Datasheet PDF : 7 Pages
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IRFR420A, IRFU420A, SiHFR420A,
5.0
4.0
3.0
2.0
1.0
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
0.10
0.05
0.1
0.02
0.01
SINGLE PULSE
(THERMAL RESPONSE)
P DM
t1
t2
Notes:
0.01
0.00001
0.0001
0.001
1. Duty factor D =
t1/ t 2
2. Peak T J = P DM x Z thJC + T C
0.01
0.1
1
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
VDS
tp
IAS
Fig. 12b - Unclamped Inductive Waveforms
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5
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