Archive Eepn Com Cluster Common Eepn Images Articles 25510
Archive Eepn Com Cluster Common Eepn Images Articles 25510
Archive Eepn Com Cluster Common Eepn Images Articles 25510
Archive Eepn Com Cluster Common Eepn Images Articles 25510
Archive Eepn Com Cluster Common Eepn Images Articles 25510

DC/DC Converter Operates At 94% Efficiency

Nov. 1, 2001

Powered by one or several batteries, the ZXSC300 dc/dc boost converter IC provides a programmable, constant-current drive for white LEDs. The device maintains a conversion efficiency of 94% and, when mated with a low saturation voltage transistor, can drive multiple white LEDs in series or parallel using a wide range of input voltages. The efficiency of the new dc/dc converter is said to remain constant at voltages as low as 0.8V. The ZXSC300 dc/dc boost converter IC comes in a SOT23-5 package and is priced at $0.37 each in quantities of 1,000; a low voltage saturation transistor, the FMMT617, is available in a SOT23 package. For more information, contact ZETEX INC., Hauppauge, NY. (631) 360-8222.

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