RFM7N35 Ver la hoja de datos (PDF) - Intersil
Número de pieza
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RFM7N35 Datasheet PDF : 4 Pages
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RFM7N35, RFM7N40, RFP7N35, RFP7N40
Typical Performance Curves Unless Otherwise Specified (Continued)
VGS = 10V
2 ID = 7A
1.5
1
0.5
-50
0
50
100
150
200
TJ, JUNCTION TEMPERATURE (oC)
FIGURE 7. NORMALIZED DRAIN TO SOURCE ON
RESISTANCE vs JUNCTION TEMPERATURE
1.4
ID = 250µA
1.2
1
0.8
0.6
-50
0
50
100
150
200
TJ, JUNCTION TEMPERATURE (oC)
FIGURE 8. NORMALIZED GATE THRESHOLD VOLTAGE vs
JUNCTION TEMPERATURE
1600
1400
1200
1000
800
600
400
200
0
0
CISS
VGS = 0V, f = 1MHz
CISS = CGS + CGD
CRSS = CGD
COSS ≈ CDS + CGS
COSS
CRSS
10
20
30
40
50
VDS, DRAIN TO SOURCE (V)
FIGURE 9. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
400
10
BVDSS
RL = 57Ω
IG(REF) = 0.45mA
GATE
VGS = 10V
300
VDD = VDSS
TO
SOURCE
VDD = VDSS
8
VOLTAGE
6
200
0.75 VDSS
4
0.50 VDSS
100
0.25 VDSS
2
DRAIN TO SOURCE VOLTAGE
0
20 IG(REF)
IG(ACT)
t, TIME (µs)
0
80 IG(REF)
IG(ACT)
NOTE: Refer to Harris Application Notes AN7254 and AN7260.
FIGURE 10. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT GATE CURRENT
Test Circuits and Waveforms
RL
+
RG
VDD
-
DUT
VGS
FIGURE 11. SWITCHING TIME TEST CIRCUIT
VDS
tON
td(ON)
tr
90%
tOFF
td(OFF)
tf
90%
10%
0
10%
VGS
10%
0
50%
PULSE WIDTH
90%
50%
FIGURE 12. RESISTIVE SWITCHING WAVEFORMS
5-4
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