Microchip launches MCP1640 Synchronous Boost Regulator
By siliconindia   |   Wednesday, 10 March 2010, 18:23 IST
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Microchip launches MCP1640 Synchronous Boost Regulator
Bangalore: Microchip Technology, a provider of microcontroller and analog semiconductors, announced the MCP1640 Synchronous Boost Regulator, which features an operating voltage down to 0.35V, quiescent current as low as 19 microamperes, and shutdown current of less than one microampere. With integrated dual FET transistors and output currents up to 350 milliamperes, the 500 kHz MCP1640 regulator enables battery applications in the consumer electronics market such as electric razors, toothbrushes, GPS devices and portable music players among others. According to the company, the MCP1640 regulator's operating voltage of down to 0.35V and start-up voltage of 0.65V allows use with even a single, completely drained Alkaline, NiMh or NiCd battery cell. Microchip claims that a PWM/PFM option enables the device's low quiescent and shutdown currents, and provides up to 96 percent efficiency; allowing for longer battery run times. The regulator's two integrated FET transistors reduce component count, resulting in smaller overall designs. "The MCP1640 addresses customer needs to reduce the number of batteries required for their applications, while providing long run times and compact design sizes," said Bryan J. Liddiard, Vice President of Microchip's Analog and Interface Products Division.

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