TNY378PN

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 out eases pcb/external heatsinking Quiet source-connected heatsink pins for low EMI Enhanced Safety and Reliability Features Accurate hysteretic thermal shutdown with automatic recovery provides complete system level overload protection and eliminates need for manual reset Auto-restart delivers <3% maximum power in short circuit and open loop fault conditions Output overvoltage shutdown with optional Zener Line undervoltage detect threshold set using a single resistor Very low compone...