The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 1989
Filed:
May. 09, 1988
Applicant:
Inventor:
Harry J Bittner, Santa Clara, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
323222 ; 323285 ; 323288 ; 323901 ; 363 49 ;
Abstract
A soft start circuit for a switching regulator is disclosed. The circuit does not require any off-chip parts and, therefore, a five-pin package can be employed. The operation of a soft start circuit in conjunction with a switching regulator operating in the voltage boost mode is set forth in detail.