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LNK4004D

Power Integrations
Part Number LNK4004D
Manufacturer Power Integrations
Description CV/CC Switcher
Published Nov 21, 2019
Detailed Description LinkSwitch-4 Family Energy-Efficient, Accurate Primary-Side Regulated CV/CC Switcher for Adapters and Chargers Product...
Datasheet PDF File LNK4004D PDF File

LNK4004D
LNK4004D

Overview
LinkSwitch-4 Family Energy-Efficient, Accurate Primary-Side Regulated CV/CC Switcher for Adapters and Chargers Product Highlights Dramatically Simplifies CV/CC Converters • Eliminates optocoupler and all secondary CV/CC control circuitry • Eliminates all control loop compensation circuitry Advanced Performance Features • Dynamic base drive technology provides flexibility in choice of BJT transistor by dynamically optimizing BJT switching characteristics • Extends RBSOA of BJT • Dramatically reduces sensitivity to BJT gain • Compensates for input line voltage variations • Compensates for cable voltage drop • Compensates for external component temperature variations • Very accurate IC parameter tolerances using proprietary trimming technology • Frequency up to 65 kHz to reduce transformer size • The minimum peak current is fixed to improve transient load response Enhanced Performance Features • Easy start for starting into capacitive loads (LNK4114D, LNK4115D) • Constant power for hi...


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