Voltage regulator with high voltage protection

Details Voltage regulator with high voltage protection Voltage regulator with high voltage protection

2008-06-10

2008-06-10

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S275000, C323S299000

Reexamination Certificate

active

07385376

ABSTRACT:
A method for regulating a voltage in an integrated circuit device includes providing a first regulated output based upon a first voltage input range and subsequently receiving the first regulated output and providing a second regulated output based upon a second voltage input range of the first regulated output. A circuit is further provided that operates accordingly. Additionally, a clipper circuit is provided at the input to protect for over voltage conditions that may results, for example, from a charging battery to cause an output voltage of the battery to substantially exceed ordinary output voltage levels.

REFERENCES:
patent: 6894469 (2005-05-01), Nakajima et al.
patent: 7002329 (2006-02-01), Agari et al.
patent: 7084612 (2006-08-01), Zinn

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