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W20NM50FD Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer W20NM50FD
Beschreibung STW20NM50FD
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 8 Seiten
W20NM50FD Datasheet, Funktion
STW20NM50FD
N-CHANNEL 500V - 0.22- 20A TO-247
FDmesh™ Power MOSFET (with FAST DIODE)
TYPE
VDSS
RDS(on)
ID
STW20NM50FD
500V
<0.25
20 A
www.DataSheet4Us.coTmYPICAL RDS(on) = 0.22
s HIGH dv/dt AND AVALANCHE CAPABILITIES
s 100% AVALANCHE TESTED
s LOW INPUT CAPACITANCE AND GATE CHARGE
s LOW GATE INPUT RESISTANCE
s TIGHT PROCESS CONTROL AND HIGH
MANUFACTURING YIELDS
DESCRIPTION
The FDmesh™ associates all advantages of reduced
on-resistance and fast switching with an intrinsic fast-
recovery body diode. It is therefore strongly recom-
mended for bridge topologies, in particular ZVS phase-
shift converters.
APPLICATIONS
s ZVS PHASE-SHIFT FULL BRIDGE CONVERTERS
FOR SMPS AND WELDING EQUIPMENT
3
2
1
TO-247
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
VDS Drain-source Voltage (VGS = 0)
VDGR
Drain-gate Voltage (RGS = 20 k)
VGS Gate- source Voltage
ID Drain Current (continuos) at TC = 25°C
ID Drain Current (continuos) at TC = 100°C
IDM (q) Drain Current (pulsed)
PTOT
Total Dissipation at TC = 25°C
Derating Factor
dv/dt(1) Peak Diode Recovery voltage slope
Tstg Storage Temperature
Tj Max. Operating Junction Temperature
(•)Pulse width limited by safe operating area
June 2002
Value
500
500
±30
20
14
80
214
1.42
20
–65 to 150
150
(1)ISD 20A, di/dt 400A/µs, VDD V(BR)DSS, Tj TJMAX.
(*)Limited only by maximum temperature allowed
Unit
V
V
V
A
A
A
W
W/°C
V/ns
°C
°C
1/8






W20NM50FD Datasheet, Funktion
STW20NM50FD
Fig. 1: Unclamped Inductive Load Test Circuit
Fig. 2: Unclamped Inductive Waveform
www.DataSheet4U.com
Fig. 3: Switching Times Test Circuits For
Resistive Load
Fig. 4: Gate Charge test Circuit
Fig. 5: Test Circuit For Inductive Load Switching
And Diode Recovery Times
6/8

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