3055L Просмотр технического описания (PDF) - Intersil
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3055L Datasheet PDF : 10 Pages
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RFT3055LE
Typical Performance Curves Unless otherwise specified (Continued)
200
250
VDD = 30V, ID = 2A, RL = 15Ω
tR
150
200
ID = 2A
ID = 0.5A
PULSE DURATION = 80µs
DUTY CYCLE = 0.5% MAX
100
tF
tD(OFF)
50
tD(ON)
0
0
10
20
30
40
50
RGS, GATE TO SOURCE RESISTANCE (Ω)
FIGURE 12. SWITCHING TIME vs GATE RESISTANCE
1200
CISS
900
600
COSS
300
VGS = 0V, f = 1MHz
CISS = CGS + CGD
CRSS = CGD
COSS = CDS + CGD
CRSS
0
0
5
10
15
20
25
30
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 14. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
150
100
50
2
4
6
8
10
VGS, GATE TO SOURCE VOLTAGE (V)
FIGURE 13. SOURCE TO DRAIN ON RESISTANCE vs GATE
VOLTAGE AND DRAIN CURRENT
10
WAVEFORMS IN
DESCENDING ORDER:
8 ID = 2A
ID = 0.5A
6
VDD = 15V
4
2
0
0
6
12
18
24
30
Qg, GATE CHARGE (nC)
NOTE: Refer to Intersil Application Notes AN7254 and AN7260.
FIGURE 15. GATE CHARGE WAVEFORMS FOR CONSTANT
GATE CURRENT
8-147
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