5V-12V Switch Power Supply Circuit Based on MAX761

Published:2011/6/20 22:40:00 Author:Michel | Keyword: 5V-12V, Switch Power Supply, Circuit | From:SeekIC

The 5V-12V boost power supply shown in the picture is composed of high efficiency,low power consumption boost DC converter,MAX761 and a few peripheral components.Its features are: First,transformation efficiency is 86%.Second,static currentis 110μA.Third, with low battery voltage detection function.R3 and R4 in the picture are testing dividing resistor and they can be caculated according to experience formula: R4=R3(VTPIP/1.5-1),VTPIP is test trigger voltage.



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