A power gating circuit of a signal processing system includes a low dropout linear regulator, a control circuit, and an output circuit. The low dropout linear regulator includes a first transistor, an operational amplifier, a first resistor, a second resistor, and an output end. The output circuit includes a fourth transistor and a step-down circuit. The control circuit controls output voltage of the output circuit according to a control signal.

 
Web www.patentalert.com

< Buffer circuit and integrated circuit

> Switched current power converter with partial converter decoupling for low load conditions

~ 00455