Photo-electrically isolated voltage buffer power supply
A technology of voltage buffering and photoelectric isolation, applied in the field of power supply, can solve problems such as power supply damage, achieve fast startup speed, improve dynamic response speed, and prevent damage
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[0016] Such as figure 1 As shown, the present invention mainly consists of a control chip U2, a transformer T1, a transformer T2, a diode rectifier U1, an amplifier P, a transistor VT1, a transistor VT2, a transistor VT3, a photocoupler A, a capacitor C1, a capacitor C2, a capacitor C3, and a capacitor C4. Capacitor C5, capacitor C6, resistor R1, resistor R2, resistor R3, resistor R4, potentiometer R5, resistor R6, resistor R7, resistor R8, resistor R9, resistor R10, resistor R11, diode D1, diode D2, diode D3, diode D4, diode D5, diode D6, buffer protection circuit and diode D7.
[0017] When connected, the anode of the capacitor C1 is connected to the negative output terminal of the diode rectifier U1, and the negative terminal is connected to the positive output terminal of the diode rectifier U1 after passing through the resistor R2. The resistor R1 is connected in parallel with the capacitor C1. The P pole of the diode D2 is connected to the negative pole of the capacito...
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Abstract
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