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TOP259EN

SWITCHER, OFFLINE, 171/238W, HX, 7ESIP

POWER INTEGRATIONS TOP259EN
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Manufacturer Part No:
TOP259EN
Order Code:
1695422
Technical Datasheet:
TOP259EN   Datasheet
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Product Overview

TOPSwitch-HX family enhanced EcoSmart, integrated off-line switcher with advanced feature set and extended power range. TOPSwitch-HX cost effectively incorporates 700V power MOSFET, high voltage switched current source, PWM control, oscillator, thermal shutdown circuit, fault protection and other control circuitry onto a monolithic device. It is a highly integrated monolithic off-line switcher IC designed for off-line power supplies. TOPSwitch-HX integrated circuits enable design of power supplies up to 195W, while providing high efficiency under all load conditions. Also provides very good performance at low load and during standby (no load) operation. TOPSwitch-HX allows designer to meet efficiency requirements for new energy efficiency standards. Applications includes LCD monitor, personal computers, small servers, laptop adapters, set-top boxes, digital TVs, printers, DVD players and recorders, UPS, video games, broadband modems, cellular phone adapters and audio amplifiers.
  • 128W (adapter), 238W (openframe) at 230VAC/ 80W (adapter), 171W (openframe) at 85-265VAC O/P power
  • Multi-mode operation maximizes efficiency at all loads, EcoSmart™- energy efficient
  • Extended creepage between DRAIN and all other pins improves field reliability
  • Frequency jittering reduces EMI filter cost, allows both primary and secondary sensing
  • Line undervoltage (UV) detection prevents turn-off glitches
  • Line overvoltage (OV) shutdown extends line surge limit
  • Accurate programmable current limit, optimized line feed-forward for line ripple rejection
  • 132KHz frequency (254Y-258Y and all E/L packages) reduces transformer and power supply size
  • Half frequency option for video application, fully integrated soft-start for minimum start-up stress
  • Output OVP is user programmable for latching/non-latching shutdown with fast AC reset

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

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Technical Docs (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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