The MCP1630 inputs were developed to be easily attached to the l/0 0f a microcontroller. The microcon- troller supplies the oscillator and reference to the MCP1630 to provide the most flexible and adaptable power system. The power system switching frequency and maximum duty cycle are set using the l/0 0f the microcontroller. The reference input can be external, a D/A converter output or as simple as an l/0 0utput from the microcontroller. This enables the power system to adapt to many external signals and variables in order to optimize performance and facilitate calibration.
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