Soft Start Circuit and Power Supply Device Using the Same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 11, 2013
app pub date -
Jan 9, 2012
filing date -
Jan 9, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention discloses a soft start circuit for a power supply device comprising an external P-type transistor for charging an output capacitor to provide an output voltage. The soft start circuit includes a current source, for providing a discharge current; and a disabling means, coupled to the current source, for discharging an equivalent total parasitic capacitor of the external P-type transistor during an activation period according to the discharge current.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully