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TNY175PN Dataheets PDF



Part Number TNY175PN
Manufacturers Power Integrations
Logo Power Integrations
Description Offline Switcher
Datasheet TNY175PN DatasheetTNY175PN Datasheet (PDF)

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 enclose.

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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 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 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 mandatory CEC regulations Applications • Chargers/adapters for cell/cordless phones, PDAs, digital cameras, MP3/portable audio, shavers, etc. • DVD/PVR and other low power set top decoders • Supplies for appliances, industrial systems, metering, etc. Description TinySwitch™-LT incorporates a 650 V power MOSFET, oscillator, high-voltage switched current source, current limit (user selectable) and thermal shutdown circuitry. The IC family uses an ON/OFF control scheme and offers a design flexible solution with a low system cost and extended power capability. AC Input D EN TinySwitch-LT BP/M S Figure 1. Typical Application. + DC Output PI-4770-010709 Output Power Table Product3 TNY174P/D4 TNY175P/D4 TNY176P/D4 TNY177P4 TNY177D TNY178P TNY178D TNY179P TNY180P 230 VAC ± 15% Adapter1 Peak or Open Frame2 6W 11 W 8.5 W 15 W 10 W 19 W 13 W 23.5 W 11.5 W 23.5 W 16 W 28 W 14.5 W 26 W 18 W 32 W 20 W 36.5 W 85-265 VAC Adapter1 Peak or Open Frame2 5W 8.5 W 6W 11.5 W 7W 15 W 8W 18 W 7W 18 W 10 W 21.5 W 9W 19.5 W 12 W 25 W 14 W 28..


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