IP Library › Granted Patent US 6,580,253
Granted Patent Utility
US 6,580,253 · Confirmation No. 2510

BOOSTING AND STEP-DOWN SWITCHING REGULATOR CONTROLLING CIRCUIT AND BOOSTING AND STEP-DOWN SWITCHING REGULATOR FOR USE IN THE SAME

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 Code Description Pages PDF
2002-08-06 TRNA Transmittal of New Application 3 View
2002-08-06 SPEC Specification 26 View
2002-08-06 CLM Claims 4 View
2002-08-06 ABST Abstract 1 View
2002-08-06 DRW Drawings-only black and white line drawings 9 View
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Quick Facts
Patent No.
US 6,580,253
App. No.
10/213,262
Filed
2002-08-06
Granted
2003-06-17
Pub. No.
US20030052654A1
Examiner
VU, BAO Q
Art Unit
2838
PTA
-14 days