The memory voltage circuit (130) records the open-circuit voltage of the energy source terminal (200) and outputs a set voltage to the power voltage setting circuit (110) based on the open-circuit voltage.
A stabilized DC power supply circuit comprises an error amplifier circuit U1, an output amplifier circuit U2, an output voltage division circuit U3, and a reference voltage circuit U4.
A voltage circuit (4) giving forward direction bias voltage is inserted between the constant current circuit (3) and the rectifier circuit (2).
The device comprises a power voltage setting circuit (110), a switch (120) and a memory voltage circuit (130).
Components include an internal reference voltage circuit that generates a reference voltage and a sine wave power oscillator circuit and resonant circuit that generates an alternating current and voltage.
Comparison circuitry is coupled to the voltage reference circuitry and to the variable level circuit for comparing the first voltage with the reference voltage.
Voltage reference circuitry provides a reference voltage.
The present invention, generally speaking, provides a circuit that combines the features of a voltage doubler and a boost regulator to achieve a small and efficient voltage boost regulator.
A bias circuit (73, 69) provides a bias voltage to the node.
The adaptive regulation voltage circuit replicates electrical characteristics of the current regulator circuit.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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