Welcome to Heisener.com! E-mailSalesDept@heisener.com Telephone+86-755-82529637 ext. 811 Change Country English (USD|RMB)

Change Country

If your country is not listed, please select International as your region.

  • WWInternational

Americas

  • ARArgentina
  • BRBrasil
  • CACanada
  • CLChile
  • COColombia
  • CRCosta Rica
  • DODominican Republic
  • ECEcuador
  • GTGuatemala
  • HNHonduras
  • MXMexico
  • PEPeru
  • PRPuerto Rico
  • USUnited States
  • UYUruguay
  • VEVenezuela

Asia/Pacific

  • AUAustralia
  • CNChina
  • HKHong Kong
  • IDIndonesia
  • ILIsrael
  • INIndia
  • JPJapan
  • KRKorea, Republic of
  • MYMalaysia
  • NZNew Zealand
  • PHPhilippines
  • SGSingapore
  • THThailand
  • TWTaiwan
  • VNVietnam

Europe

  • ATAustria
  • BEBelgium
  • BGBulgaria
  • CHSwitzerland
  • CHCzech Republic
  • DEGermany
  • DKDenmark
  • EEEstonia
  • ESSpain
  • FIFinland
  • FRFrance
  • GBUnited Kingdom
  • GRGreece
  • HRCroatia
  • HUHungary
  • IEIreland
  • ITItaly
  • NLNetherlands
  • NONorway
  • PLPoland
  • PTPortugal
  • RORomania
  • RURussian Federation
  • SESweden
  • SKSlovakia
  • TRTurkey

Language Translation

* Please refer to the English Version as our Official Version.

Account

0

BOM

Contact Us

Linear - New 100V no-opto fly-back regulator delivers 5W from a TSOT-23 package

Post Date: 2016-11-05Manufacturer: Linear Technology

Summary

Significantly simplifying the design of isolated DC-DC converters, a new monolithic fly-back regulator in a TSOT-23 package has been introduced by Linear Technology.

Product Image

Significantly simplifying the design of isolated DC-DC converters, a new monolithic fly-back regulator in a TSOT-23 package has been introduced by Linear Technology.


By sampling the isolated output voltage directly from the primary-side fly-back waveform, the LT8303 requires no opto-isolator, LT1431 or third winding for regulation. The LT8303 operates over a 5.5V to 100V input voltage range, has a 0.45A/150V integrated DMOS power switch and delivers up to 5W of output power, making it well suited for a wide range of telecom, datacom, automotive, industrial, medical and military applications.


The output voltage is set with only one external resistor and the transformer turns ratio. Several off-the-shelf transformers, identified in the data sheet, can be used for numerous applications. The LT8303 operates in boundary mode, which is a variable frequency current mode control switching scheme, typically resulting in ±5% output voltage regulation over the full line, load and temperature range. Boundary mode enables the use of a smaller transformer compared to equivalent continuous conduction mode designs. The high level of integration and the use of low ripple Burst Mode operation result in a simple to use, low component count and high efficiency application solution for isolated power delivery.


Additional features include output short-circuit protection, 70µA no load operating quiescent current, internal loop compensation, accurate enable and under-voltage lockout with hysteresis.


Extended and industrial versions operate over a junction temperature range of -40C to 125C, says the company.

Copyright © 2015-2017 Heisener Electronics Co., Ltd. All Rights Reserved.

Privacy Policy | Terms & Conditions