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ON Semi unveils "the only" floating regulated charge pump

Posted: 08 Nov 2005 ?? ?Print Version ?Bookmark and Share

Keywords:on semiconductor? charge pump? nis6201?

NIS6201 output voltage

ON Semiconductor released what it touts as the industry's only floating regulated charge pump for low power applications. Designed to supply 20mA and 8V to 15V, the NIS6201 is a cost-effective replacement for a small, isolated, switching power supply. Target applications for the device include the drive voltage for ORing diodes, floating supervisory circuits and LED drivers.

The company explained that the NIS6201 output voltage can be referenced (or added to) any bus voltage whereas most charge pumps typically have their output voltage referenced to ground. This allows it to 'float' a bias or supply voltage on top of any bus voltage, and enables designers to easily generate any bias voltage with minimal external components.

The NIS6201 contains an internal linear regulator and a versatile charge pump that allow bias voltage supplies to be transferred from a ground referenced source to a higher potential. Since the high voltage components are external to the pump and can be sized accordingly, the NIS6201 can handle any isolation voltage requiredup to hundreds of volts. The device also features an adjustable voltage output and is thermally protected.

"The NIS6201 is a big step forward in designing economical 'housekeeping' supplies, or the auxiliary supplies needed to provide power to the main PWM control IC or to power ICs for functions that aren't always on," said Sue Nee, marketing manager of Application Specific Integrated Products at ON Semi. "If an additional output voltage is required late in a design cycle, the NIS6201 can be a quick and easy solution."

The NIS6201 is housed in a Pb-free, SO-8 package and is priced at 53 cents per unit in 10,000 unit quantities. Samples and a demo board are also available.

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