Low-voltage difference voltage adjuster
A voltage regulator, low dropout technology, applied in the direction of regulating electrical variables, control/regulation systems, instruments, etc., can solve the problems of low dropout voltage regulators that cannot be integrated on-chip, unstable, etc., to achieve good power supply rejection ratio performance, reduce number, the effect of simplifying the compensation circuit
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[0018] In an embodiment of the present invention, a low dropout voltage regulator solution is provided. In this implementation solution, an error amplifier with a one-stage amplifier structure, and a corresponding output amplifier and frequency compensation circuit are used to form a low-complexity low-to-moderate voltage regulator. for low dropout voltage regulators integrated into a single chip.
[0019] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0020] image 3 It is a structural block diagram of the low dropout voltage regulator of the present invention. like image 3 As shown, the low dropout voltage regulator of the present invention includes:
[0021] An error amplifier 10, the error amplifier 10 is a one-stage folded cascode amplif...
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