RFD14N05(2004) 查看數據表（PDF） - Fairchild Semiconductor
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RFD14N05 Datasheet PDF : 8 Pages
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RFD14N05, RFD14N05SM
Typical Performance Curves Unless Otherwise Specified (Continued)
700
CISS
600
500
VGS = 0V, f = 1MHz
400
COSS
CISS = CGS + CGD
CRSS = CGD
COSS ≈ CDS + CGD
300
200
CRSS
100
0
0
5
10
15
20
25
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 12. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
60
VDD = BVDSS
45
10
VDD = BVDSS
7.5
30
5.0
0.75 BVDSS
15
0.50
0.25
BBVVDDSSSS
2.5
RL = 3.57Ω
IG(REF) = 0.4mA
VGS = 10V
0
0
20
-I-G-----(--R----E----F----)
IG(ACT)
t, TIME (µs)
80
-I-G-----(--R----E----F----)
IG(ACT)
NOTE: Refer to Fairchild Application Notes AN7254 and AN7260,
FIGURE 13. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT CURRENT GATE DRIVE
Test Circuits and Waveforms
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
tP
0V
VDS
L
DUT
+
VDD
-
IAS
0.01Ω
FIGURE 14. UNCLAMPED ENERGY TEST CIRCUIT
tP
IAS
BVDSS
VDS
VDD
0
tAV
FIGURE 15. UNCLAMPED ENERGY WAVEFORMS
VDS
VGS
RGS
RL
DUT
+
VDD
-
VGS
FIGURE 16. SWITCHING TIME TEST CIRCUIT
©2004 Fairchild Semiconductor Corporation
VDS
tON
td(ON)
tr
90%
tOFF
td(OFF)
tf
90%
10%
0
VGS
10%
0
50%
PULSE WIDTH
10%
90%
50%
FIGURE 17. RESISTIVE SWITCHING WAVEFORMS
RFD14N05, RFD14N05SM Rev. C
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