RF1K49090 View Datasheet(PDF) - Fairchild Semiconductor
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Description
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RF1K49090
Fairchild Semiconductor
RF1K49090 Datasheet PDF : 8 Pages
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RF1K49090
Typical Performance Curves (Continued)
2.0
VGS = VDS, ID = 250µA
1.5
2.0
ID = 250µA
1.5
1.0
1.0
0.5
0.5
0
-80
-40
0
40
80
120
160
TJ, JUNCTION TEMPERATURE (oC)
FIGURE 12. NORMALIZED GATE THRESHOLD VOLTAGE vs
JUNCTION TEMPERATURE
1200
900 VGS = 0V, f = 1MHz
CISS = CGS + CGD
CRSS = CGD
COSS = CDS + CGD
600
300
CISS
COSS
CRSS
0
0
2
4
6
8
10
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 14. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
Test Circuits and Waveforms
VDS
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
tP
0V
L
DUT
+
VDD
-
IAS
0.01Ω
FIGURE 16. UNCLAMPED ENERGY TEST CIRCUIT
0.0
-80
-40
0
40
80
120
160
TJ, JUNCTION TEMPERATURE (oC)
FIGURE 13. NORMALIZED DRAIN TO SOURCE BREAKDOWN
VOLTAGE vs JUNCTION TEMPERATURE
12
VDD = BVDSS
9
VDD = BVDSS
5.00
3.75
6
2.50
0.75 BVDSS
0.50 BVDSS
3
0.25 BVDSS
1.25
RL = 3.43Ω
IG(REF) = 0.6mA
VGS = 5V
0
0.00
20 I-I-G-G----(-(--AR-----CE----F-T---)-)
t, TIME (µs)
80 I-I-G-G-----((--AR-----CE----FT----)-)
NOTE: Refer to Fairchild Application Notes AN7254 and AN7260.
FIGURE 15. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT GATE CURRENT
tP
IAS
BVDSS
VDS
VDD
0
tAV
FIGURE 17. UNCLAMPED ENERGY WAVEFORMS
©2002 Fairchild Semiconductor Corporation
RF1K49090 Rev. B
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