Self-protected MOSFET

4 March 2009 Power Electronics / Power Management

Adding to its IntelliFET product range, Diodes has introduced what it claims is the world’s smallest fully self-protected low side MOSFET.

Packaged in the 2,3 mm x 2,8 mm footprint ‘flat’ SOT23F package, the ZXMS6004FF features good thermal performance to deliver a package power density three times that of SOT223 and a footprint that is six times smaller. With an on-state resistance of just 500 m, this latest IntelliFET also ensures that power dissipation is kept to a minimum.

Integrating ESD, over-voltage, over-current and over-temperature protection into a single thermally efficient package, the ZXMS6004FF protects both itself and the load, and will help reduce component count, PCB size and overall system cost in a range of automotive and industrial applications.

The device has a continuous current rating of 1 A and is qualified to the AECQ101 standard, being tolerant of 60 V load dump transients. With a logic level input of either 3,3 V or 5 V, the ZXMS6004FF can be driven directly from microcontroller outputs.

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