If you are working with an A20112 schematic for repairs, remember:
Powering equipment that requires low noise and high efficiency. a20112 power supply schematic
Circuits using this IC can use smaller filters and capacitors, significantly lowering the total cost of the power unit. 2. Core Sections of an A20112 Schematic If you are working with an A20112 schematic
After the PFC stage, the high-voltage DC is stepped down to usable levels (like 12V or 5V). a20112 power supply schematic
To maintain a steady output voltage despite changing loads, the schematic includes a feedback loop.
It often controls two MOSFETs in an interleaved manner to reduce input current ripple and decrease the physical size of the boost coil.
Controlled by the A20112 to regulate the energy flow.