You can use Microchip's low-cost PIC16F818 microprocessor and a pair of gates to construct a digital PLL that can clean noisy digital signals over a range of 4 to 40 kHz. Featuring programmable lock ...
The IXI858/859 Charge Pump, Voltage Regulator and Gate Driver is an integration of several key components in an off-line PFC boost regulator using a microprocessor for intelligent power management ...