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TI boost controller drives industrial lighting innovation

Dallas, Tex.—Texas Instruments Inc. has developed a 4.5-V to 52-V wide-input voltage, non-synchronous boost controller that is intended for applications where the output is a regulated current instead of a regulated voltage.

The TPS40211, demonstrated at the Light+Building Frankfurt show (April 6 ” 11, 2008) at the 'LED Light for you (LLFY)—powered by OSRAM' booth (Hall 4.1 / D31), allows designers to efficiently manage LED lighting, industrial control and battery-powered systems.

The TPS40211 efficiently drives high-power LEDs when the input voltage is less than the voltage to turn on the LEDs. The LED driver is designed to power multiple 1- to 5-W high-brightness LEDs in a series, and features a programmable closed soft start, over current protection with automatic retry and a programmable oscillator frequency. The device's fixed frequency current mode control provides improved transient response and simplified loop compensation. Designers have the flexibility to use the TPS40211 for boost, flyback, SEPIC and various LED driver topologies.

The device is offered in a 10-pin PowerPAD and a 10-pin SON package.

Pricing: Suggested resale price is $1.40 in 100-unit quantities.
Availability: Today in volume from TI and its authorized distributors.
Datasheet: Click here.

TI, www.ti.com

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