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PT2203 - Primary Side CC/CV Regulator

Description

The PT2203 is a primary side constant current/current voltage regulator, targeted to applications in less than 5W AC-DC power suppliers.

It is designed for the flyback topology, and regulates output current/voltage without the secondary feedback loop.

Features

  • z z z z z z z z z z z CC and CV Control Without Secondary Feed back Eliminates Compensation Network Built in 650V Power MOSFET Compensates Line Voltage Variation Compensates Inductor Variation in CC mode Compensates Output Cord Resistance Vaux Over Voltage Protection Short Circuit Protection Line Under Voltage Protection Cycle by Cycle Current Limit Over Temperature Protection.

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Datasheet preview – PT2203

Datasheet Details

Part number PT2203
Manufacturer PowTech
File Size 280.62 KB
Description Primary Side CC/CV Regulator
Datasheet download datasheet PT2203 Datasheet
Additional preview pages of the PT2203 datasheet.

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Full PDF Text Transcription

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PT2203 Primary Side CC/CV Regulator GENERAL DESCRIPTION The PT2203 is a primary side constant current/current voltage regulator, targeted to applications in less than 5W AC-DC power suppliers. It is designed for the flyback topology, and regulates output current/voltage without the secondary feedback loop. In addition to providing the tight output regulation, the excellent low power control allows the PT2203 to meet all the global energy efficiency and standby power requirements. The PT2203 provides accurate CV/CC regulation with built in compensation circuitry. Integrated line and primary inductance compensation ensures output current free of line voltage and primary inductance variations.
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