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LT1548 - High Precision CC/CV Primary-Side PWM Power Switch

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Datasheet Details

Part number LT1548
Manufacturer Longtium Microelectronics
File Size 360.93 KB
Description High Precision CC/CV Primary-Side PWM Power Switch
Datasheet download datasheet LT1548 Datasheet

General Description

LT1548 is a high performance offline PWM Power switch for low power AC/DC charger and adaptor applications.

It operates in primary-side sensing and regulation.

Consequently, opto-coupler and TL431 could be eliminated.

Overview

LT1548 High Precision CC/CV Primary-Side PWM Power Switch GENERAL.

Key Features

  • including Cycle-by-Cycle current limiting, VDD OVP, VDD clamp and UVLO. Excellent EMI performance is achieved with On-Bright proprietary frequency shuffling technique. High precision constant voltage (CV) and constant current (CC) can be achieved by LT1548.

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