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LT8303

Linear
Part Number LT8303
Manufacturer Linear
Description Micropower Isolated Flyback Converter
Published Oct 31, 2016
Detailed Description Features n 5.5V to 100V Input Voltage Range n 450mA, 150V Internal DMOS Power Switch n Up to 5W of Output Power n Lo...
Datasheet PDF File LT8303 PDF File

LT8303
LT8303

Overview
Features n 5.
5V to 100V Input Voltage Range n 450mA, 150V Internal DMOS Power Switch n Up to 5W of Output Power n Low Quiescent Current: 70µA in Sleep Mode 280µA in Active Mode n Boundary Mode Operation at Heavy Load n Low Ripple Burst Mode® Operation at Light Load n Minimum Load <0.
5% (Typ) of Full Output n VOUT Set with a Single External Resistor n No Transformer Third Winding or Opto-Isolator Required for Regulation n Accurate EN/UVLO Threshold and Hysteresis n Internal Compensation and Soft-Start n 5-Lead TSOT-23 Package Applications n Isolated Telecom, Datacom, Automotive, Industrial, and Medical Power Supplies n Isolated Auxiliary/Housekeeping Power Supplies LT8303 100VIN Micropower Isolated Flyback Converter with 150V/450mA Switch Description The LT®8303 is a micropower high voltage isolated flyback converter.
By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation.
The output voltage is programmed with a single external resistor.
Internal compensation and soft-start further reduce external component count.
Boundary mode operation provides a small magnetic solution with excellent load regulation.
Low ripple Burst Mode operation maintains high efficiency at light load while minimizing the output voltage ripple.
A 450mA, 150V DMOS power switch is integrated along with all high voltage circuitry and control logic into a 5-lead ThinSOT™ package.
The LT8303 operates from an input voltages range of 5.
5V to 100V and can deliver up to 5W of isolated output power.
The high level of integration and the use of boundary mode and low ripple Burst Mode operations result in a simple to use, low component count, and high efficiency application solution for isolated power delivery.
L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks and ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are t...


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