RF1K49156 Просмотр технического описания (PDF) - Intersil
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RF1K49156 Datasheet PDF : 8 Pages
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RF1K49156
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
2500
2000
1500
1000
CISS
COSS
VGS = 0V, f = 1MHz
CISS = CGS + CGD
CRSS = CGD
COSS = CDS + CGD
500
0
0
CRSS
5
10
15
20
25
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
-80
-40
0
40
80
120
160
TJ, JUNCTION TEMPERATURE (oC)
FIGURE 13. NORMALIZED DRAIN TO SOURCE BREAKDOWN
VOLTAGE vs JUNCTION TEMPERATURE
30
5.00
22.5
VDD = BVDSS
VDD = BVDSS
3.75
15
RL = 4.76Ω
IG(REF) = 0.65mA
VGS = 5V
2.50
PLATEAU VOLTAGES IN
DESCENDING ORDER:
7.5
VDD = BVDSS
VDD = 0.75 BVDSS
VDD = 0.50 BVDSS
VDD = 0.25 BVDSS
1.25
0
0
20 I-I-G-G-----((--AR-----CE----F-T---)-)
t, TIME (µs)
80 I-I-G-G-----((--AR-----CE----F-T---)-)
NOTE: Refer to Intersil 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
8-119
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