Product category:
Power Supply ICs and Controllers
News Release from: Texas Instruments (April 2001-March 2006) | Subject: UCC37323/4/5
Edited by the Electronicstalk Editorial
Team on 21 December 2001
MOSFET drivers keep the current coming
A new family of enhanced dual MOSFET gate driver ICs from Texas Instruments feature higher current and improved noise immunity and are drop-in replacements for many popular MOSFET driver ICs.
A new family of enhanced, industry-standard-footprint dual mosfet gate driver ICs from Texas Instruments feature higher current and improved noise immunity and are drop-in replacements for many popular mosfet driver ICs These drivers may be used in a variety of switch-mode power supply and motor control applications with bias voltages of 15V or less, such as low voltage synchronous rectification DC/DC convertors and fractional horsepower brushless motor applications
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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TI's UCC37323/4/5 drivers use a novel combination of bipolar and mosfet output stages to provide 4A peak-current capability during both peak supply voltage and the mosfet's "Miller plateau" region of the switching cycle, making the devices' current two to three times higher than the closest competitor.
In addition, at lower supply voltages down to 4.5V, the output stage continues to deliver high currents.
These high-speed drivers also feature 25ns rise and fall times and rail-to-rail voltage swings.
All inputs are TTL/CMOS threshold compatible and feature slightly raised thresholds for improved noise immunity from ground bounces.
The devices' two outputs can be paralleled for an 8A peak current rating in more demanding applications.
The UCC37323 is a dual inverting configuration where as the UCC37324 is a dual noninverting configuration and the UCC37325 features one inverting and one noninverting stage.
The UCC37323/4/5 drivers are available now.
In addition to standard through-hole and surface-mount packages, these devices are also offered in thermally enhanced and space saving 8-pin MSOP PowerPad packages featuring a 4.7C/W Theta(jc) rating.
Pricing starts at $0.99 in quantities of 1000 for the SOIC and PDIP-8 package versions and $1.09 in quantities of 1000 for the PowerPad MSOP package.
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