Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2011-08-23
2011-08-23
Berhane, Adolf (Department: 2838)
Electricity: power supply or regulation systems
Self-regulating
Using a three or more terminal semiconductive device as the...
C323S315000
Reexamination Certificate
active
08004264
ABSTRACT:
A voltage converter to convert a high voltage to a low voltage is provided. The voltage converter comprises: a current mirror, a current bias, a plurality of loads and a low voltage output. The current mirror comprises a first PMOS and a second PMOS, wherein the source of the first PMOS and the second PMOS receive a high voltage input which is a supply voltage of the current mirror, and the gate of the first PMOS is connected to the drain of the first PMOS. The current bias is connected between the drain of the first PMOS and a ground potential. The plurality of loads are parallel connected between the drain of the second PMOS and the ground potential. And the low voltage output connected to the drain of the second PMOS.
REFERENCES:
patent: 5889431 (1999-03-01), Csanky
patent: 7268528 (2007-09-01), Noda
patent: 2009/0001959 (2009-01-01), Tang
Chen Tyng-Yang
Lee Chow-Peng
Yinn Aung Aung
Berhane Adolf
Himax Analogic, Inc.
Thomas Kayden Horstemeyer & Risley LLP
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