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4946 Datasheet(PDF) 4 Page - Shenzhen Tuofeng Semiconductor Technology Co

Part # 4946
Description  N-Channel Enhancement Mode Power MOSFET
PDF  5 Pages
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Manufacturer  TUOFENG [Shenzhen Tuofeng Semiconductor Technology Co]
Direct Link  http://www.sztuofeng.com/?lang=en
Logo TUOFENG - Shenzhen Tuofeng Semiconductor Technology Co

4946 Datasheet(HTML) 4 Page - Shenzhen Tuofeng Semiconductor Technology Co

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TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
VSD , Body Diode Forward Voltage (V)
Figure 8. Body Diode Forward Voltage Variation
with Source Current
1
10
0.83
0.99
1.05
0.92
1.11
Figure 9. Switching Test Circuit and Switching
Waveforms
Square Wave Pulse Duration (sec)
Figure 10. Normalized Thermal Transient Impedance Curve
VDS , Drain-Source Voltage (V)
Figure 7. Maximum Safe Operating
Area
D
G
S
Vin
Vout
VDD
VGS
RL
RGEN
VDS
90%
10%
VGS
td(on) tr
td(off) tf
0.72
001
0.1
1
10
40
0.1
1
10
60
20
0.5
0.01S
0.1S
DC
0.0001S
Duty Cycle = 0.5
0.2
0.1
0.05
0.02
Single Pulse
2
1
0.01
1
10
600
100
10
-4
10
-3
10
-2
10
-1
t1
t2
PDM
2. RthJA=See Datasheet
3. TJM - TA = PDM * RthJA (t)
4. Duty Cycle, D = t1/t2
1. RthJA (t)=r (t) * RthJA
0.1
30
R
D
S(
O
N
) L
im
it
VGS= 10V
Single Pulse
TA=25ºC
SHENZHEN TUOFENG SEMICONDUCTOR TECHNOLOGY CO.,LTD
SOP-8 Plastic-Encapsulate MOSFETS
4946



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