Title:
SHORT CIRCUIT DETECTION CIRCUIT
Document Type and Number:
Japanese Patent JP2009130660
Kind Code:
A
Abstract:
To provide a short circuit detection circuit capable of detecting an output short circuit of a push-pull circuit without causing a cost increase and power loss.
The short circuit detection circuit is configured so as to generate a dummy pulse signal Vy synchronized with a pulse signal Vx, and to detect a short circuit of an OUP1P terminal in accordance with whether a prescribed phase difference occurs between both the signals.
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Inventors:
TAKAHATA HIROSHI
MIYASHITA TAKASHIGE
MIYASHITA TAKASHIGE
Application Number:
JP2007303936A
Publication Date:
June 11, 2009
Filing Date:
November 26, 2007
Export Citation:
Assignee:
ROHM CO LTD
International Classes:
H03F1/52; H02M3/155; H03F3/26; H03K5/26; H03K17/08; H03K17/687
Domestic Patent References:
JPH03143221A | 1991-06-18 | |||
JPH04134271A | 1992-05-08 |
Foreign References:
WO2005091482A1 | 2005-09-29 |
Attorney, Agent or Firm:
Shizuo Sano
Hideki Hayashida
Hideki Hayashida
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