Transient state intensifier circuit applicable for capacitance-free large power low voltage difference linear voltage regulator
A low-dropout voltage regulator, low-dropout linear technology, used in instruments, regulating electrical variables, control/regulating systems, etc., can solve the problems of small load current variation range, large chip area, large resistance value, etc., to achieve fast response , The effect of occupying small chip area and simple structure
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[0023] Embodiment one: see attached figure 1 shown.
[0024] A transient enhancement circuit suitable for a non-capacitor-type high-power low-dropout linear voltage regulator is connected with the non-capacitor-type high-power low-dropout linear voltage regulator.
[0025] The low-dropout linear regulator includes a bandgap reference voltage source Bandgap, an operational amplifier Opamp, a buffer circuit Buffer, a power regulator PMOS, and a feedback resistor network. The bandgap reference voltage source Bandgap is connected to the inverting input terminal of the operational amplifier Opamp, the output terminal of the operational amplifier Opamp is connected to the input terminal of the buffer circuit Buffer, and the output terminal of the buffer circuit Buffer is connected to the gate of the power adjustment transistor PMOS , the source of the power adjustment transistor PMOS is connected to the bandgap reference voltage source Bandgap, the drain of the power adjustment tra...
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