Patent ID: 11870241
Assignee: ROHM CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 7:
8. The power supply circuit according to claim 7, wherein
the power control device includes:
a first switching element and a second switching element connected in series between an input voltage and a ground potential;
an error amplifier or a comparator to which the feedback voltage and a reference voltage are input; and
a driver configured to drive the first switching element and the second switching element based on an output of the error amplifier or the comparator,

wherein the power supply circuit further comprises:
a coil having one end thereof connected to a connection node to which the first switching element and the second switching element are both connected; and

a capacitor having one end thereof connected to another end of the coil, and
the first overvoltage protection circuit and the second overvoltage protection circuit is configured to control the driver.