IR's IRS2538DS Control IC Offers a Reliable, Highly Efficient, Cost Effective Magnetic Replacement B

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IR's IRS2538DS Control IC Offers a Reliable, Highly Efficient, Cost Effective Magnetic Replacement Ballast Solution

EL SEGUNDO, Calif.--(BUSINESS WIRE)-- International Rectifier, IR® (NYS: IRF) , a world leader in power management technology, today introduced a reliable, highly efficient and cost effective control IC for magnetic ballasts used in fluorescent lamps.

The IRS2538DS emulates the behavior of a magnetic ballast control system, leveraging IR's patented ballast and high-voltage technologies to offer an easy to use, high-performance, cost effective one-chip magnetic replacement ballast solution.


Available in a compact SO8 package, the IRS2538DS utilizes a novel control method to achieve high power factor with ultra-low THD to eliminate the need for a Power Factor Correction (PFC) stage and electrolytic capacitor at the input. The new IC integrates a 600V half-bridge control circuit, bootstrap MOSFET and comprehensive set of protection features to further reduce component count and PCB area, and increase reliability.

"As traditional magnetic ballasts continue to be phased-out of the marketplace due to their low efficiency, manufacturers are looking for an electronic replacement with equivalent reliability and low-cost," said Tom Ribarich, Director of Lighting Systems and Applications, IR's Energy Saving Products Business Unit. "The IRS2538DS delivers all of the benefits of an electronic ballast solution such as high efficiency, small size, light weight, and no lamp flicker while additionally offering excellent reliability and cost efficiencies for an affordable, greener alternative to existing approaches," he added.

The IRS2538DS also features preheat, ignition and running lamp modes, closed-loop lamp current control, fixed pre-heat time (2s typical), adaptive deadtime (0.5us to 1.5us typical), lamp insert auto-restart, micropower start-up (125uA) and an internal 15.6V Zener diode clamp on Vcc.

More information is available on the International Rectifier website at http://www.irf.com/whats-new/nr130822.html

Availability and Pricing

Pricing for the IRS2538DS begins at US $0.94 each in quantities of 10,000-units. Production quantities are available immediately. The devices are lead free and RoHS compliant. Prices are subject to change.

About International Rectifier

International Rectifier (NYS: IRF) is a world leader in power management technology. IR's analog- and mixed-signal ICs, advanced circuit devices, integrated power systems, and components enable high-performance computing and reduce energy waste from motors, the world's single largest consumer of electricity. Leading manufacturers of computers, energy-efficient appliances, lighting, automobiles, satellites, aircraft, and defense systems rely on IR's power-management benchmarks to power their next generation products. For more information, go to www.irf.com.

Trademark Notice

IR® is a registered trademark of International Rectifier Corporation. All other product names noted herein may be trademarks of their respective holders.



International Rectifier
Sian Cummins, 310-252-7148
scummin1@irf.com

KEYWORDS:   United States  North America  California

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