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LT8302ES8E#TRPBF, Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6
Semiconductors\Power Management ICs\Voltage Regulators & Voltage Controllers\Switching Voltage Regulators
LT8302 is a monolithic 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 two external resistors and a third optional temperature compensation resistor. 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 3.6A, 65V DMOS power switch is integrated along with all the high voltage circuitry and control logic into a thermally enhanced 8-lead SO package. The high level of integration and the use of boundary and low ripple burst modes result in a simple to use, low component count, and high efficiency application solution for isolated power delivery. Applications include industrial, medical power supplies, isolated auxiliary/housekeeping power supplies.
• 3.6A, 65V internal DMOS power switch
• Low quiescent current, 106µA in sleep mode, 380µA in active mode
• Quasi-resonant boundary mode operation at heavy load
• Low ripple Burst Mode® operation at light load
• Minimum load of < 0.5% (typ) of full output
• No transformer third winding or opto-isolator, required for output voltage regulation
• Accurate EN/UVLO threshold and hysteresis, internal compensation and soft-start
• Temperature compensation for output diode, output short-circuit protection
• 8-lead plastic SO package, -40°C to 125°C temperature range
• Operates from an input voltage range of 3V to 42V and delivers up to 18W of isolated output power
| Количество Выводов | 8вывод(-ов) |
| Количество Выходов | 1 Выход |
| Линейка Продукции | - |
| Максимальная Рабочая Температура | 125°C |
| Максимальное Напряжение Питания | 42В |
| Минимальная Рабочая Температура | -40°C |
| Минимальное Напряжение Питания | 3В |
| Рабочий Цикл (%) | - |
| Стандарты Автомобильной Промышленности | - |
| Стиль Корпуса ИС Контроллера | NSOIC |
| Уровень Чувствительности к Влажности (MSL) | MSL 3-168 часов |
| Частота Коммутации | 12кГц |
