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Part Name :

IRF820AS View Datasheet(PDF) - International Rectifier

Part NameIRF820AS IR
International Rectifier IR
DescriptionSMPS MOSFET
IRF820AS Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
3.0
2.5
2.0
1.5
1.0
0.5
0.0
25
50
75
100
125
150
TC , Case Temperature ( °C)
Fig 9. Maximum Drain Current Vs.
Case Temperature
10
IRF820AS/L
VDS
VGS
RG
RD
D.U.T.
10V
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
+-VDD
Fig 10a. Switching Time Test Circuit
VDS
90%
10%
VGS
td(on) tr
td(off) tf
Fig 10b. Switching Time Waveforms
D = 0.50
1
0.20
0.10
0.05
0.1
0.02
0.01
0.01
0.00001
PDM
SINGLE PULSE
(THERMAL RESPONSE)
t1
t2
Notes:
1. Duty factor D = t1 / t 2
2. Peak T J = P DM x Z thJC + TC
0.0001
0.001
0.01
0.1
1
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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Applications
• Switch Mode Power Supply (SMPS)
• Uninterruptable Power Supply
• High speed power switching

Benefits
• Low Gate Charge Qg Results in Simple Drive Requirement
• Improved Gate, Avalanche and Dynamic dv/dt Ruggedness
• Fully Characterized Capacitance and Avalanche Voltage and Current
• Effective COSS specified (See AN 1001)

 

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