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Timothy T Freitas, 53610 Prizer Ct, Downingtown, PA 19335

Timothy Freitas Phones & Addresses

Downingtown, PA   

Wayne, PA   

Santa Monica, CA   

Costa Mesa, CA   

Norfolk, VA   

Philadelphia, PA   

Work

Address: 50 Beech Dr, Eagleville, PA 19403 Specialities: Psychologist

Languages

English

Mentions for Timothy T Freitas

Career records & work history

Medicine Doctors

Timothy Freitas Photo 1

Timothy T Freitas, Norristown PA

Specialties:
Psychology
Address:
50 Beech Dr, Norristown, PA 19403
610-2796100 (Phone) 610-2790978 (Fax)
Languages:
English
Timothy Freitas Photo 2

Timothy Tobias Freitas, Eagleville PA

Specialties:
Psychologist
Address:
50 Beech Dr, Eagleville, PA 19403

Timothy Freitas resumes & CV records

Resumes

Timothy Freitas Photo 15

Timothy Freitas

Timothy Freitas Photo 16

Timothy Freitas

Location:
United States
Timothy Freitas Photo 17

Timothy Freitas

Location:
United States

Publications & IP owners

Us Patents

Methods And Apparatus For Soft Start And Soft Turnoff Of Linear Voltage Regulators

US Patent:
6188210, Feb 13, 2001
Filed:
Jan 13, 2000
Appl. No.:
9/483270
Inventors:
Larry Tichauer - La Palma CA
Rodger Erickson - Tarzana CA
Timothy Freitas - Culver City CA
Xianjun Mao - Monterey Park CA
Assignee:
Ophir RF, Inc. - Los Angeles CA
International Classification:
G05F 144
US Classification:
323273
Abstract:
Methods and apparatus for the soft start of linear regulators for controlling inrush current. In linear regulators having a pass transistor controlled by a regulator control circuit, the regulator control circuit is disabled until the regulator output reaches a predetermined threshold level. On startup, an additional transistor is coupled with a resistor and capacitor to the control terminal of the pass transistor in such a way as to provide for the slow turn-on of the pass transistor. During this time, the control circuit for the pass transistor is held inoperative. After the regulator output reaches a predetermined threshold, the pass transistor control circuit becomes operative and the slow start circuitry becomes inoperative.

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