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W20NB50

STW20NB50

N - CHANNEL 500V - 0.22? - 20A - TO-247

PowerMESH ? MOSFET

DS(on)s EXTREMELY HIGH dv/dt CAPABILITY

s ± 30V GATE TO SOURCE VOLTAGE RATING s 100% AVALANCHE TESTED

s REPETITIVE AVALANCHE DATA AT 100o C s VERY LOW INTRINSIC CAPACITANCES s

GATE CHARGE MINIMIZED

DESCRIPTION Using the latest high voltage technology,SGS-Thomson has designed an advanced family of power Mosfets with outstanding performances.The new patent pending strip layout coupled with the Company’s proprietary edge termination structure, gives the lowest R DS (on) per area,exceptional avalanche and dv/dt capabilities and unrivalled gate charge and switching characteristics.

APPLICATIONS s HIGH CURRENT, HIGH SPEED SWITCHING s SWITCH MODE POWER SUPPLIES (SMPS)s DC-AC CONVERTERS FOR WELDING EQUIPMENT AND UNINTERRUPTIBLE POWER SUPPLIES AND MOTOR DRIVE ?

June 1998

ABSOLUTE MAXIMUM RATINGS

SD DD (BR)DSS JMAX

1/8

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THERMAL DATA

AVALANCHE CHARACTERISTICS

ELECTRICAL CHARACTERISTICS (T case = 25 o C unless otherwise specified) OFF

ON (?

)

DYNAMIC

ELECTRICAL CHARACTERISTICS (continued)

SWITCHING ON

SWITCHING OFF

SOURCE DRAIN DIODE

) Pulse width limited by safe operating area

Safe Operating Area

Thermal Impedance

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Output Characteristics

Transconductance

Gate Charge vs Gate-source Voltage

Transfer Characteristics

Static Drain-source On Resistance

Capacitance Variations

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Normalized Gate Threshold Voltage vs

Temperature

Source-drain Diode Forward Characteristics

Normalized On Resistance vs Temperature

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Fig. 1:

Unclamped Inductive Load Test Circuit

Fig. 3: Switching Times Test Circuits For

Resistive Load

Fig. 2:

Unclamped Inductive Waveform

Fig. 4:

Gate Charge test Circuit

Fig. 5: Test Circuit For Inductive Load Switching

And Diode Recovery Times

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Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.

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STW20NB50