APPARATUS AND METHOD FOR IMPROVING STANDBY EFFICIENCY OF HANDHELD DEVICE
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United States of America Patent
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Issued Date -
Sep 21, 2017
app pub date -
Aug 29, 2016
filing date -
Mar 17, 2016
priority date (Note) -
Abandoned
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Abstract
An apparatus and method for improving standby efficiency of a handheld device is disclosed. The apparatus includes: a power supply, a phase inverter, a field-effect transistor, and a direct/direct (DC/DC) converter and a low-voltage difference voltage stabilizer that are connected in parallel; wherein the power supply provides an input voltage for the DC/DC converter and the low-voltage difference voltage stabilizer, an input port of the phase inverter is connected to an enable port of the low-voltage difference voltage stabilizer, the input port of the phase inverter is connected to an enable port of the DC/DC converter, a gate of the field-effect transistor is connected to an output port of the phase inverter, a drain of the field-effect transistor is connected to an output port of the DC/DC converter, and a source of the field-effect transistor is connected to an output port of the low-voltage difference voltage stabilizer. The apparatus and method for improving standby efficiency of a handheld device according to embodiments of the present disclosure are capable of improving the efficiency of the handheld device in a standby state.
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