Power supply start up booster circuit

Details Power supply start up booster circuit Power supply start up booster circuit

1994-04-25

1995-12-26

Wong, Peter S.

Electric power conversion systems

Current conversion

With starting arrangement

323222, 323901, H02P 1322

Patent

active

054793335

ABSTRACT:
A power supply start up booster circuit for providing an increased startup voltage for a switch mode control integrated circuit including a boost portion for combining a first input voltage that has a predetermined minimum value and a second input voltage that transitions from 0 volts to the predetermined minimum value to make a minimum threshold voltage, a control portion having an integrated circuit for using the minimum threshold voltage to temporarily provide a voltage input at the integrated circuit, and an output portion for providing a permanent voltage input at the integrated circuit and an output supply voltage to an external circuit.

REFERENCES:
patent: 4549254 (1986-10-01), Kissel
patent: 4631628 (1986-12-01), Kissel
patent: 4639659 (1987-01-01), Okanobu
patent: 4899256 (1990-02-01), Sway-Tin
patent: 4916379 (1990-04-01), Wand et al.
patent: 4920532 (1990-04-01), Wroblewski
patent: 5134355 (1992-07-01), Hastings
patent: 5151647 (1992-09-01), Frantz

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