Jones Day
Circuit for generating an output voltage and method for setting an output voltage of a low dropout regulator
A circuit for generating an output voltage and method for setting an output voltage of a low dropout regulator are provided. A current source is configured to generate a reference current, and an error amplifier has a first input, a second input, and a single-ended output. The first input is connected to a reference voltage, and the second input is connected to an output node of the circuit via a feedback resistor. A pass transistor includes a control electrode connected to the single-ended output of the error amplifier, a first electrode connected to a power supply voltage, and a second electrode connected to the output node of the circuit. A first branch of a current mirror is connected to the current source, and a second branch of the current mirror is connected to the second terminal of the feedback resistor. The output node provides an output voltage of the circuit.
Taiwan Semiconductor Manufacturing Company Limited
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inventional inventional inventional
Chen-Lun Cheng-Hsiung Chung-Chieh Gu-Huan
Yen Kuo Chen Li