Suspension follow regulated power supply circuit device
A stabilized power supply circuit and power supply terminal technology, applied in the direction of adjusting electrical variables, instruments, control/regulation systems, etc., can solve the problems of poor voltage stabilization effect of the stabilized power supply circuit, large chip area and power consumption, and complex circuit structure. Achieve the effects of reducing area and power consumption, improving stability and reliability, and simple circuit structure
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[0010] like figure 1 As shown, a suspension follower stabilized power supply circuit includes: a negative feedback module 1, an operational amplifier OTA, a MOS tube, an input power supply VDD, and a reference circuit 2, the MOS tube is a PMOS tube, and the negative feedback module 1 includes a capacitor and The resistor, the reference circuit 2 includes a power supply terminal V, an output terminal V1, a ground terminal V0, the power supply terminal V is connected to the input power supply VDD, and the output terminal V1 is connected to the same-inverting input terminal T1 of the operational amplifier OTA to control the input of the same-inverting input terminal T1 of the operational amplifier OTA The voltage is Vref, the reverse input terminal T2 of the operational amplifier OTA is connected to one terminal of the resistor R1 and one terminal of the resistor R2 in the negative feedback module 1, the input voltage of the reverse input terminal T2 is Vfb, and the power supply t...
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