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MC33680 - Dual DC-DC Regulator

Description

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Features

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  • LEAD LQFP FTB SUFFIX CASE 873A PIN.

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Datasheet preview – MC33680

Datasheet Details

Part number MC33680
Manufacturer ON Semiconductor
File Size 464.21 KB
Description Dual DC-DC Regulator
Datasheet download datasheet MC33680 Datasheet
Additional preview pages of the MC33680 datasheet.

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Full PDF Text Transcription

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MC33680 Dual DC−DC Regulator for Electronic Organizer The MC33680 is a dual DC−DC regulator designed for electronic organizer applications. Both regulators apply Pulse−Frequency−Modulation (PFM). The main step−up regulator output can be externally adjusted from 2.7V to 5V. An internal synchronous rectifier is used to ensure high efficiency (achieve 87%). The auxiliary regulator with a built−in power transistor can be configured to produce a wide range of positive voltage (can be used for LCD contrast voltage). This voltage can be adjusted from +5V to +25V by an external potentiometer. The MC33680 has been designed for battery powered hand−held products.
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