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TNY379

Power Integrations
Part Number TNY379
Manufacturer Power Integrations
Description Off-Line Switcher
Published Feb 4, 2015
Detailed Description TNY375-380 TinySwitch®-PK Family Energy-Efficient, Off-Line Switcher With Enhanced Peak Power Performance Product Highl...
Datasheet PDF File TNY379 PDF File

TNY379
TNY379

Overview
TNY375-380 TinySwitch®-PK Family Energy-Efficient, Off-Line Switcher With Enhanced Peak Power Performance Product Highlights Lowest System Cost with Enhanced Flexibility • Simple ON/OFF control, no loop compensation needed • Unique Peak Mode feature extends power range without increasing transformer size • Maximum frequency and current limit boosted at peak loads • Selectable current limit through BP/M capacitor value • Higher current limit extends maximum power in open frame • Lower current limit improves efficiency in enclosed adapters • Allows optimum TinySwitch-PK choice by swapping devices with no other circuit redesign • Tight I2f parameter tolerance reduces system cost • Maximizes MOSFET and magnetics power delivery • ON time extension – typically extends low line regulation range/ hold-up time to reduce input bulk capacitance • Self-biased: no bias winding required for TNY375-376; winding required for TNY377-380 • Frequency jittering reduces EMI filter costs • Optimized pin ou...


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