Device for preparing a supply voltage

Details Device for preparing a supply voltage Device for preparing a supply voltage

2006-05-09

2008-10-14

Patel, Rajnikant (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using a three or more terminal semiconductive device

C323S272000, C363S016000

Reexamination Certificate

active

07436157

ABSTRACT:
A device for preparing a supply voltage contains an input for receiving the supply voltage and a voltage converter for transforming an input voltage present at an input of the voltage converter into an output voltage to be output at an output of the voltage converter. A voltage limiter is provided for limiting a backwards voltage dropping from the output to the input of the voltage converter. This enables a high level of safety of the voltage converter and a high reliability of the device to be guaranteed, especially against a short circuit condition at the output of the voltage converter.

REFERENCES:
patent: 4017785 (1977-04-01), Perper
patent: 6198262 (2001-03-01), Squibb et al.
patent: 37 16 880 (1988-12-01), None
patent: 101 49 282 (2003-04-01), None
National Semiconductor LM140/LM340A/LM340/LM7800C Series 3-Terminal Positive Regulators; May 1999; Santa Clara, California, USA (www.national.com).

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