Date: 25/05/2010

Sync boost regulators operating from an input voltage of 0.35 to 5.5V

Microchip has unveiled the MCP1623 and MCP1624 (MCP1623/4) Synchronous Boost Regulators to provide low-voltage support to any PIC microcontroller, therefore providing a customizable solution for single-cell battery applications. It features a start-up voltage of 0.65V and an operating voltage down to 0.35V. These regulators reduce the number of batteries needed in a typical design and enabling designs to be powered from a single Alkaline, NiMh, NiCd, or disposable Lithium battery cell.

The MCP1623/4 has an operating input voltage of 0.35 to 5.5V and an adjustable output voltage range of 2.0 to 5.5V. It has a shutdown current of less than one micro Ampere in all states and a true load-disconnect shutdown. The devices provide over-temperature protection and 500 kHz PWM operation thus enabling use of smaller coils. It is said to extend battery life with up to 96% typical efficiency.

"As customers continue to strive to create smaller, lighter, more compact designs, the ability to operate from a single battery is increasingly valuable," said Steve Drehobl, vice president of Microchip's Security, Microcontroller and Technology Development Division. "The MCP1623/4 regulators enable designers to reduce the size and number of batteries without increasing costs. These regulators can be utilized with any PIC microcontroller for < 0.7V VDD operation, which dramatically increases system flexibility."

Package: 6-pin, SOT-23.

Price: US$0.20 each.

Availability: Now

For more information visit: http://www.microchip.com/get/CK5S.