LED Drivers offer multiple dimming options.

Press Release Summary:



Exhibiting 95% typ efficiency, PCB-mount LDU series offer constant current outputs of 300, 350, 500, 600, 700, or 1,000 mA. Non-isolated step-down drivers accommodate input voltage from 7-30 Vdc and offer dimming options that include 2 analog methods (voltage or resistance) or one PWM input signal. When using analog dimming method, output current range can be adjusted from 25-100% of nominal current, and PWM approach has max operating frequency of 1 kHz with 200 ns min on/off time.



Original Press Release:



Ultra Compact LED Driver Family Offers Multiple Dimming Options



XP Power announced today the availability of the LDU series of 300 - 1000 mA PCB mount LED drivers. These ultra compact highly efficient devices, measuring just 0.8 x 0.4 x 0.27 inches (20.32 x 10.16 x 6.88 mm) for the LDU08 300 mA model, have a typical efficiency of 95%. Models within the series offer constant current outputs of 300, 350, 500, 600, 700 or 1000 mA. The non-isolated step-down drivers can accommodate a very wide range of input voltage from 7 - 30 VDC. Dimming options include two analog methods (voltage or resistance) or a pulse width modulation (PWM) input signal. The PWM approach has a maximum operating frequency of 1 kHz, with a minimum 200 ns on/off time. When using an analog dimming method the output current range can be adjusted from 25% to 100% of nominal current.

Offering a MTBF in excess of 5 million hours, to MIL-HDBK-217F reliability standard at 25 degrees C. The LDU series suit a broad range of energy efficient LED lighting designs such as those used for advertising displays, traffic signs, automotive lighting and consumer appliances.

A remote on/off control input provides the designer the ability to control the output or sequence the start-up. Short and open circuit protection is also provided.

The LDU series is available from stock from Newark or direct from XP Power. The devices have a 3 year warranty. Priced from $7.80 for the LDU08 300mA unit to $13.26 for LDU24 1000 mA unit in medium quantities.

For further information and reader enquiries:

Duane Darrow, XP Power, 990 Benecia Avenue, Sunnyvale, CA 94085
Tel: (408)732-7777 Email: ddarrow@xppower.com
Fax: (408)732-2002 Web: www.xppower.com

William Sng SK, XP Power (Singapore) PTE LTD
Tel: +65 68469368 Email: wsng@xppower.com
Fax: +65 67418730 Web: www.xppower.com

For further information, text and graphics by email or to discuss feature article opportunities:

Robert Huntley, Publitek Limited, 18 Brock Street, Bath, BA1 2LW, United Kingdom
Tel: +44 (0) 1225 470000 E-mail: robert.huntley@publitek.com
Fax: +44 (0) 1225 470047 Web: www.publitek.com

XP Power is committed to being a leading provider of power solutions, including AC-DC power supplies and DC-DC converters. With ISO9001:2000, XP Power offers total quality, from in-house design through to manufacturing facilities around the world. The company offers the widest range of power products available from one source and unrivalled technical and customer support, aiding both vendor consolidation and cost reduction programmes. XP has 27 sales offices throughout Europe, North America and Asia.

XP Power Ltd, a London Stock Exchange listed public company, has design centres in Fyfield (UK), Orange County (California), and Singapore, which also serves as the company's headquarters. Manufacturing is carried out near Shanghai, China. The design teams push back the boundaries of cost and technology, providing market leading power products. Dedicated in-house Engineered Solutions teams provide customer specific solutions, with rapid response times. The applications team provide expert technical support to help customers integrate and use XP power products worldwide.

www.xppower.com

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