Microchip's MCP1252 and MCP1253 regulated charge pump DC-to-DC converters can provide a space-saving, power management solution for DC-to-DC conversions in a battery-operated environment. These 120 mA regulated charge pump devices require fewer external components than many other charge pump devices and, unlike switching regulators, do not require an inductor. Providing either a fixed 3,3 V or 5,0 V output or an adjustable output voltage of 1,5 V to 5,5 V from a 2,7 through 5,5 V input source, they have a low drain current of 60 µA, a shutdown current of 0,1 µA and offer a power-good output that can detect an out-of-regulation situation with an output voltage accuracy of ±2,5% maximum, 0,5% typical.
The devices also offer internal thermal and short-circuit protection and are available in 8-pin MSOP and specified over -40 to +85°C.
For more information contact Avnet Kopp, 011 809 6100, Memec SA, 021 674 4103 or Tempe Technologies, 011 452 0530.
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