TNY178 Datasheet | Power Integrations

TNY174-180 Tiny Switch-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 pensation 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 Tiny Switch-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 ponents - ON-time extension - extends low-line regulation range/hold-up time to reduce input bulk capacitance - Self-biased: no bias winding or bias ponents - Frequency jittering reduces EMI filter costs - Pin-out simplifies heat sinking 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 ponent 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 Eco Smart™- Extremely Energy Efficient - Easily meets all global energy efficiency regulations - No-load <150 m W at 265 VAC without bias...