POWER SUPPLY CIRCUIT, INTEGRATED CIRCUIT DEVICE, SOLID-STATE IMAGING APPARATUS, AND ELECTRONIC APPARATUS

摘要

A power supply circuit includes: a comparison unit that compares a reference voltage and an input voltage and outputs a voltage difference signal; an output voltage generating unit that generates an output voltage based on the voltage difference signal; an input voltage generating unit that generates the input voltage based on the output voltage; a current output unit that outputs a reference current; a resistor that generates the reference voltage in accordance with the reference current; and a capacitor that is connected to the resistor in parallel and is charged by the reference current, wherein the current output unit allows the reference current at the time of startup to be lower than the reference current during an operation.