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TNY290PG IC – Power Integrations Off Line Switcher IC

96.00 Excluding tax

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TNY290PG also belongs to TinySwitch-4 Family from the manufacturer “Power Integrations”. It is Energy-Efficient, Off-Line Switcher with Line Compensated Overload Power. It comes with following features :-

    • 725 V rated MOSFET
    • Lowest System Cost with Enhanced Flexibility
    • Increases BV de-rating margin
    • Line compensated overload power – no additional components
    • Dramatically reduces max overload variation over universal input voltage range
    • ±5% turn on UV threshold: line voltage sense with single external resistor
    • 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™-4 choice by swapping devices with no other circuit redesign
    • Tight I2 f parameter tolerance reduces system cost
    • Maximizes MOSFET and magnetics utilization
    • 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
    • Fast AC reset with optional UV external resistor
    • 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


  • PC Standby and other auxiliary supplies
  • DVD/PVR and other low power set top decoders
  • Supplies for appliances, industrial systems, metering, etc
  • Chargers/adapters for cell/cordless phones, PDAs, digital cameras, MP3/portable audio, shavers, etc.


Part Number 230 VAC ± 15% 85-265 VAC
Adapter1 Peak or Open Frame2 Adapter1 Peak or Open Frame2
TNY286P/D 20 W 36.5 W 14 W 28.5 W

TNY290PG-IC Datasheet

* product image for illustration purposes only. actual product may vary.


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