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| RFP3055 Datasheet, PDF (5/8 Pages) Fairchild Semiconductor – 12A, 60V, 0.150 Ohm, N-Channel Power MOSFETs | |||
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RFD3055, RFD3055SM, RFP3055
Typical Performance Curves Unless Otherwise Speciï¬ed (Continued)
600
VGS = 0V, f = 1MHz
CISS = CGS + CGD
CRSS = CGD
COSS â CDS + CGD
400
CISS
200
0
0
COSS
CRSS
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 0.75 BVDSS
0.50 BVDSS 0.50 BVDSS
15
0.25 BVDSS 0.25 BVDSS
2.5
RL = 5â¦
IG(REF) = 0.24mA
VGS = 10V
0
0
IG(REF)
20
IG(ACT)
t, TIME (µs)
IG(REF)
80
IG(ACT)
NOTE: Refer to Fairchild Application Notes AN7254 and AN7260.
FIGURE 13. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT GATE CURRENT
Test Circuits and Waveforms
VDS
L
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
DUT
+
VDD
-
tP
0V
IAS
0
0.01â¦
tP
IAS
BVDSS
VDS
VDD
tAV
FIGURE 14. UNCLAMPED ENERGY TEST CIRCUIT
FIGURE 15. UNCLAMPED ENERGY WAVEFORMS
RL
+
RG
VDD
-
DUT
VGS
FIGURE 16. SWITCHING TIME TEST CIRCUIT
©2002 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
RFD3055, RFD3055SM, RFP3055 Rev. B
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