This post explains for the semiconductor TNY177PN.
The Part Number is TNY177PN.
The function of this semiconductor is (TNY174 – TNY180) Offline Switcher.
Manufacturers : Power Integrations
Preview images :
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 […]