TITLE

LDO with 1nA reverse current

PUB. DATE
September 2004
SOURCE
Electronics Weekly;9/29/2004, Issue 2164, p32
SOURCE TYPE
Trade Publication
DOC. TYPE
Article
ABSTRACT
The article informs that Ricoh has an low drop-out regulator which features a reverse current protection circuit protecting the P-channel Mosfet of any damage and diminishes leakage current to only 1nA. It contains a reverse current protection circuit that prevents a reverse current flowing from Vout to the Vin terminal and from Vout to ground. This problem may occur when an application is operating on a secondary power source such as backup battery or super capacitor connected to the output of the LDO. Reverse current flow is prevented by a P-Channel MOSFET, which is controlled by a patented circuit with a reverse condition detector.
ACCESSION #
15106308

 

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