Voltage stabilizer comprising accelerated return for output
A voltage regulator and voltage technology, applied in instruments, regulating electrical variables, control/regulating systems, etc., can solve problems such as slow discharge speed, small driving current, and inability to respond quickly.
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[0033] Now coordinate the following drawings to illustrate the detailed structure of the present invention and its connection relationship.
[0034] Please refer to FIG. 2, which is the first implementation structure of the circuit of the low-dropout voltage regulator of the present invention, wherein the negative feedback terminal of the operational amplifier OP1 is grounded, so that the voltage of the feedback voltage reference point Vfb is close to the reference voltage Vref. This structure can adapt to different The change of the output voltage Vout, its Vref voltage is easy to compare with the Vfb voltage to detect the change of Vout, so the purpose of quickly discharging Vout can be realized.
[0035] Please refer to FIG. 3, which is the second implementation structure of the circuit of the low-dropout voltage regulator of the present invention, and its overall structure includes: operational amplifier OP1, comparator C1, voltage output transistor MPo, step-down transisto...
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