TNY178PN – (TNY174 – TNY180) Offline Switcher

TNY178PN Datasheet PDF learn more.

Part number : TNY178PN

Functions : This is a kind of semiconductor, (TNY174 – TNY180) Offline Switcher.

Pin arrangement :

Package information :

Manufacturer : Power Integrations

Image :

TNY178PN Datasheet PDF

The texts in the PDF file :

TNY174-180
®

TinySwitch-LT Family
Energy Efficient, Offline Switcher with Enhanced Flexibility and Extended Power Range
Product Highlights
Lowest System Cost with Enhanced Flexibility • 650 V rating optimized for non-active PFC applications • Simple ON/OFF control, no loop compensation needed • Selectable current limit through BP/M capacitor value – Higher current limit extends peak power or, in open frame applications, maximum continuous power – Lower current limit improves efficiency in enclosed adapters/chargers – Allows optimum TinySwitch-LT choice by swapping devices with no other circuit redesign • Tight I2f parameter tolerance reduces system cost – Maximizes MOSFET and magnetics power delivery – Minimizes max overload power, reducing cost of transformer, primary clamp & secondary components • ON-time extension – extends low line regulation range/ hold-up time to reduce input bulk capacitance • Self-biased: no bias winding or bias components • Frequency jittering reduces EMI filter costs • Pin-out simplifies heatsinking to the PCB • SOURCE pins are electrically quiet for low EMI Enhanced Safety and Reliability

Features

• Accurate hysteretic thermal shutdown protection with automatic recovery eliminates need for manual reset • Auto-restart delivers <3% of maximum power in short circuit and open loop fault conditions • Output overvoltage shutdown with optional Zener • Very low component count enhances reliability and enables single-sided printed circuit board layout • High bandwidth provides fast turn on with no overshoot and excellent transient load response • Extended creepage between DRAIN and all other pins improves field reliability EcoSmart – Extremely Energy Efficient • Easily meets all global energy efficiency regulations • No-load <150 mW at 265 VAC without bias winding, <50 mW with bias winding • ON/OFF control provides constant efficiency down to very light loads – ideal for mand [ ... ]

TNY178PN PDF File


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