RF3S49092SM9A Просмотр технического описания (PDF) - Intersil
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RF3S49092SM9A Datasheet PDF : 13 Pages
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RF3V49092, RF3S49092SM
Typical Performance Curves (N-Channel) (Continued)
1200
VGS = 0V, f = 1MHz
900 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
10
VDD = 9.6V
8
6
4
WAVEFORMS IN
DESCENDING ORDER:
2
ID = 20A
ID = 10A
ID = 5A
0
0
5
10
15
20
25
Qg, GATE CHARGE (nC)
NOTE: Refer to Intersil Application Notes AN7254 and AN7260.
FIGURE 15. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT GATE CURRENT
Test Circuits and Waveforms (N-Channel)
VDS
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
L
DUT
+
VDD
-
tP
IAS
BVDSS
VDS
VDD
tP
0V
IAS
0
0.01Ω
tAV
FIGURE 16. UNCLAMPED ENERGY TEST CIRCUIT
FIGURE 17. UNCLAMPED ENERGY WAVEFORMS
VDS
VGS
RGS
RL
DUT
+
VDD
-
VGS
FIGURE 18. SWITCHING TIME TEST CIRCUIT
VDS
tON
td(ON)
tr
90%
tOFF
td(OFF)
tf
90%
10%
0
VGS
10%
0
50%
PULSE WIDTH
10%
90%
50%
FIGURE 19. RESISTIVE SWITCHING WAVEFORMS
4-35
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