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JW1520D - CC/CV Flyback Power Switch

Datasheet Summary

Features

  • The JW1520D is an offline CV and CC Flyback power switch with primary-side regulation (PSR), which features quasi-resonant (QR) operation for all operation modes. QR control improves efficiency by reducing the switching loss and also benefits EMI performance with nature frequency variation. The JW1520D combines PWM and PFM control at different input and load condition for highest average efficiency. JW1520D has internal HV current source for startup to eliminate conventional startup resistor an.

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Datasheet Details

Part number JW1520D
Manufacturer JoulWatt
File Size 1.12 MB
Description CC/CV Flyback Power Switch
Datasheet download datasheet JW1520D Datasheet
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Full PDF Text Transcription

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JW1520D CC/CV Flyback Power Switch Preliminary Specifications Subject to Change without Notice DESCRIPTION FEATURES The JW1520D is an offline CV and CC Flyback power switch with primary-side regulation (PSR), which features quasi-resonant (QR) operation for all operation modes. QR control improves efficiency by reducing the switching loss and also benefits EMI performance with nature frequency variation. The JW1520D combines PWM and PFM control at different input and load condition for highest average efficiency. JW1520D has internal HV current source for startup to eliminate conventional startup resistor and save standby mode energy consumption, it can comply with the most stringent efficiency regulations such as Energy Star’s 5-Star Level and CoC Tier II specifications.
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