Transcription of LT8301 (Rev. B) - Analog Devices
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LT8301 (Rev. B) - Analog Devices
LT83011 Rev. BFor more information FeedbackTYPICAL APPLICATION FEATURESDESCRIPTION42 VIN Micropower No-Opto Isolated Flyback Converter with 65 SwitchThe LT 8301 is a micropower 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 com-ponent 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 , 65V DMOS power switch is integrated along with all high voltage circuitry and control logic into a 5-lead ThinSOT LT8301 operates from an input voltage range of to 42V and can deliver up to 6W of isolated output power.
50mV/DIV VSW 20V/DIV 5µs/DIV R TION V IN I LOAD VOUT 50mV/DIV VSW 20V/DIV 5µs/DIV R TION VIN V ILOAD I VOUT 50mV/DIV VSW 20V/DIV 20µs/DIV. LT8301 5 ev. For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS RDS(ON) Switch Current Limit Maximum Switching Frequency
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