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.
EN/UVLO (Pin 1) Enable/Undervoltage Lockout. The : EN/UVLO pin is used to enable the LT8301. Pull the pin below 0.2V to shut down the LT8301. This pin has an accurate 1.228V threshold and can be used to program a VIN undervoltage lockout (UVLO) threshold using a resis - tor divider from V IN to ground. A 2.5µA current hysteresis
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