L4978
Цена 160.85 - 775.00 руб.
Описание L4978
The L4978 is a step-down monolithic power Switching Regulator delivering 2A at a voltage between 3.3 and 50V (selecte...The L4978 is a step-down monolithic power Switching Regulator delivering 2A at a voltage between 3.3 and 50V (selected by a simple external divider). Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typical Rdson of 0.25R) to obtain very high efficiency and high switching speed. A switching frequency up to 300kHz is achievable. A wide input voltage range between 8 to 55V and output voltage regulated from 3.3 to 50V cover the majority of today's applications. Features of this new generation of DC-to-DC converter include pulse-by-pulse current limit, hiccup mode for short-circuit protection, voltage feed-forward regulation, soft-start, protection against feedback loop disconnection, inhibit for zero current consumption and thermal shutdown.
• Protection against feedback disconnection
• Inhibit for zero current consumption
• Zero load current operation
• Internal current limiting (pulse-by pulse and hiccup mode)
• Precise 3.3V (±1%) internal reference voltage
Тип преобразователя | step-down |
---|---|
Диапазон входных напряжений | 8…50В |
Диапазон выходных напряжений | 3.3…50В |
Максимальный выходной ток | 2А |
Рабочая частота | 100…300кГц |
Температурный диапазон | -40…+150C |
Тип корпуса | dip8 |
Вес | 1г |
В разработке.
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Наименование Отгрузка, дней Наличие, шт. Цена, руб Нужное к-во, шт. L4978
4-5 290 160.85 L4978
7-10 9 390.00 L4978
4-6 3352 238.26 L4978
4-8 100 775.00
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