RF1K49157 Просмотр технического описания (PDF) - Intersil
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RF1K49157 Datasheet PDF : 8 Pages
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RF1K49157
Typical Performance Curves (Continued)
2.0
ID = 250µA
1.5
1.0
0.5
0
-80
-40
0
40
80
120
160
TJ, JUNCTION TEMPERATURE (oC)
FIGURE 12. NORMALIZED DRAIN TO SOURCE BREAKDOWN
VOLTAGE vs JUNCTION TEMPERATURE
30
2500
2000
1500
CISS
VGS = 0V, f = 1MHz
CISS = CGS + CGD
CRSS = CGD
COSS = CDS + CGD
1000
COSS
500
CRSS
0
0
5
10
15
20
25
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 13. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
10.0
22.5
7.5
VDD = BVDSS
RL = 4.76Ω
15
IG(REF) = 0.8mA
5.0
VGS = 10V
PLATEAU VOLTAGES IN
DESCENDING ORDER:
7.5
VDD = BVDSS
2.5
VDD = 0.75 BVDSS
VDD = 0.50 BVDSS
VDD = 0.25 BVDSS
0
0
20 I-I-GG-----((--AR----CE----FT----)) t, TIME (µs)
80 I-I-GG-----((--AR----CE----FT----))
NOTE: Refer to Intersil Application Notes AN7254 and AN7260.
FIGURE 14. NORMALIZED SWITCHING WAVEFORMS FOR CONSTANT GATE CURRENT
Test Circuits and Waveforms
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
tP
0V
VDS
L
DUT
+
VDD
-
IAS
0.01Ω
FIGURE 15. UNCLAMPED ENERGY TEST CIRCUIT
tP
IAS
BVDSS
VDS
VDD
tAV
FIGURE 16. UNCLAMPED ENERGY WAVEFORMS
8-126
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