Quick transient response CMOS (Complementary Metal Oxide Semiconductor) low-dropout regulator
A low-dropout linear and transient response technology, applied in the power supply field, can solve the problems of low-dropout linear voltage regulator load transient response rate, etc., to achieve the effect of accelerating charge and discharge speed, small voltage drop, and good transient response
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[0020] A fast transient response CMOS low dropout linear regulator such as figure 1 and 2 As shown, it is mainly composed of an error amplifier circuit, a slew rate enhancement circuit, a power tube, a sampling resistor circuit and a compensation circuit. The inverting input terminal of the error amplifier circuit is connected to the reference voltage Vref, the non-phase input terminal of the error amplifier circuit is connected to the sampling output terminal Vf of the sampling resistor circuit, and the output terminal of the error amplifier circuit is connected to the grid of the power tube through the slew rate enhancement circuit; After the positive terminal of the power supply of the error amplifier circuit, the positive terminal of the power supply of the slew rate enhancement circuit and the source of the power tube are connected to form the input terminal Vin of the regulator body; after the drain of the power tube is connected to the positive terminal of the power sup...
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