CEPF634(2002) 데이터 시트보기 (PDF) - Chino-Excel Technology
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CEPF634 Datasheet PDF : 5 Pages
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CEPF634/CEBF634
4
VDD
RL
VIN
D
VOUT
VGS
RGEN G
td(on)
VOUT
t on
tr
td(off)
90%
10% INVERTED
toff
tf
90%
10%
90%
S
VIN
50%
50%
10%
PULSE WIDTH
Figure 11. Switching Test Circuit
Figure 12. Switching Waveforms
10 0
D=0.5
0.2
10-1
0.1
0.05
0.02
0.01
10-2 Single Pulse
10-3
10-5
10-4
PDM
t1
t2
1. RįJC (t)=r (t) * RįJC
2. RįJC=See Datasheet
3. TJM-TC = P* RįJC (t)
4. Duty Cycle, D=t1/t2
10-3
10-2
10-1
0
10
10 1
Square Wave Pulse Duration (sec)
Figure 13. Normalized Thermal Transient Impedance Curve
4-31
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