Power

Ultra compact LED driver family offers multiple dimming options

9th December 2009
ES Admin
0
XP Power has announced the availability of the LDU series of 300 - 1000 mA PCB mount LED drivers. These ultra compact highly efficient devices, measuring just 20.32 x 10.16 x 6.88 mm (0.8 x 0.4 x 0.27 inches) 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 Farnell or direct from XP Power. The devices have a 3 year warranty.

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