Power supply control circuit that adjusts output power based on variable input power

A power supply control circuit connectable with an input power monitor that monitors an input power value to a power supply, an output power monitor that monitors an output power value from the power supply and an output power controller that varies the output power value from the power supply, the power supply control circuit comprising:

• an output power determiner at determines a determined output power value depending on the input power value;
• a power adjuster that adjusts the output power value to the determined output power value by controlling the output power controller, wherein the output power determiner determines, as the determined output value, a first determined output power value that shows the input current value as a first value and a second determined output power value that shows the input current value as a second value smaller than the first value;
• a first timer that measures passage of a first time;
• a second timer that measure passage of a second time after the first timer measures the first time;
• and
• an output power switch that instructs the first value to the output power determining section while the first timer measure passage of the first time, and instructs the second value to the output power determining section while the second timer measures passage of the second time.

A power supply, comprising:

• an input power monitor that monitors an input power value;
• an output power monitor that monitors an output power value;
• an output power controller that varies the output power value by controlling an input current value;
• an output power determiner that determines a determined output power value depending on the input power value notified from the input power monitor;
• a power adjuster that maintains the output power value notified from the output power monitor as the determined output power by controlling the output power controller, wherein the output power determiner determines, as the determined output value, a first determined output power value that shows the input current value as a first value and a second determined output power value that shows the input current value as a second value smaller than the first value;
• a first timer that measures passage of a first time;
• a second timer that measures passage of a second time after the first timer measures the first time;
• and
• an output power switch that instructs the first value to the output power determining section while the first timer measures passage of the first time, and instructs the second value to the output power determining section while the second timer measures passage of the second time.