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Maxim unveils latest MOSFET driver

Posted: 07 Sep 2004 ?? ?Print Version ?Bookmark and Share

Keywords:maxim integrated products? mosfet driver? max5078?

Maxim Integrated Products introduced a high-speed MOSFET driver for use in power MOSFET switching, motor control and in the design of ultra-compact, high-frequency, switching power supplies.

The new MAX5078 MOSFET driver can source and sink up to 4A peak current with low 20ns propagation delay. The propagation-delay matching is typically less than 10ns from part to part. Maxim said the product's low propagation delay over the supply voltage range and tight delay tolerance between devices allow excellent control when driving MOSFETs in push-pull converters, and for driving secondary-side synchronous rectifiers in isolated power supplies.

The MAX5078 is rated for operation from a 4V to 15V supply voltage and can withstand up to 18V transients. Its inverting and noninverting logic inputs are designed to operate at up to 18V, regardless of the VDD supply voltage. The device also includes a logic circuit to prevent internal shoot-through current during output state change, and a choice of either VDD/2 CMOS (MAX5078A) or TTL (MAX5078B) logic input is available.

The MAX5078 is available in the -40C to 125C automotive temperature range in a 3-by-3mm 6-pin TDFN package with exposed pad. The package is capable of dissipating up to 2W at 70C ambient temperature. Prices start at 49 cents (1,000-up, FOB USA).

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