RFH12N40 Просмотр технического описания (PDF) - Intersil
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RFH12N40 Datasheet PDF : 5 Pages
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RFH12N35, RFH12N40
Typical Performance Curves Unless Otherwise Specified (Continued)
4
ID = 12A
VGS = 10V
PULSE DURATION = 80µs
3
2
ID = 250µA
VDS = 5V
1.5
2
1
1
0.5
0
-50
0
50
100
150
TJ, JUNCTION TEMPERATURE (oC)
FIGURE 7. NORMALIZED DRAIN TO SOURCE ON
RESISTANCE vs JUNCTION TEMPERATURE
4000
3000
VGS = 0V, f = 1MHz
CISS = CGS + CGD
CRSS = CGD
COSS ≈ CDS + CGD
2000
CISS
1000
0
0
COSS
CRSS
10
20
30
40
50
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 9. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
Test Circuits and Waveforms
0
-50
0
50
100
150
TJ, JUNCTION TEMPERATURE (oC)
FIGURE 8. NORMALIZED GATE THRESHOLD VOLTAGE vs
JUNCTION TEMPERATURE
400
10
8
300
GATE
SOURCE
VDD = BVDSS
VOLTAGE
VDD = BVDSS
6
200
RL = 33.3Ω
IG(REF) = 2.5mA
VGS = 10V
4
0.75BVDSS 0.75BVDSS
100
0.50BVDSS 0.50BVDSS
0.25BVDSS 0.25BVDSS
2
DRAIN SOURCE VOLTAGE
0
20 IG(REF)
IG(ACT)
t, TIME (µs)
0
80 IG(REF)
IG(ACT)
NOTE: Refer to Intersil Application Notes AN7254 and AN7260.
FIGURE 10. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT GATE CURRENT
RL
+
RG
VDD
-
DUT
VGS
FIGURE 11. SWITCHING TIME TEST CIRCUIT
4
VDS
tON
td(ON)
tr
90%
tOFF
td(OFF)
tf
90%
10%
0
VGS
10%
0
50%
PULSE WIDTH
10%
90%
50%
FIGURE 12. RESISTIVE SWITCHING WAVEFORMS
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