Datasheet Linear Technology LTC3606BEDD#TRPBF — Даташит

Производитель	Linear Technology
Серия	LTC3606B
Модель	LTC3606BEDD#TRPBF

Синхронный понижающий DC/DC ток 800 мА с ограничением среднего входного тока

Datasheets

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PDF, 354 Кб, Язык: анг., Файл закачен: 22 сен 2017, Страниц: 20
800mA Synchronous Step-Down DC/DC with Average Input Current Limit

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Цены

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Корпус / Упаковка / Маркировка

Корпус	3x3 DFN-8
Код корпуса	DD
Индекс корпуса	05-08-1698

Параметры

Архитектура	Constant Frequency Current Mode
Design Tools	LTspice File
Экспортный контроль	нет
Основные особенности	Programmable Input Current Limit, Power Good, 100% Duty Cycle
Тактовая частота	2500 kHz
Integrated Inductor	нет
Ishutdown	0.1 мкА
Isupply	0.42 мА
Max Phases	1
Monolithic	да
Количество выходов	1
Рабочий диапазон температур	от 0 до 85 °C
Выходной ток	0.8 A
Polyphase	нет
Switch Current	2.4 A
Synchronous	да
Topology	Buck
Vin Max	5.5 В
Vin Min	2.5 В
Vout Max	5 В
Vout Maximum	Vin
Vout Min	0.6 В
Vref Accuracy Over Temp	3 %

Экологический статус

RoHS

Совместим

Design Notes

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Complete Energy Utilization Improves Run Time of a Supercap Ride-Through Application by 40% &mdash DN485
PDF, 106 Кб, Файл опубликован: 26 окт 2010
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Complete Energy Utilization Improves Run Time of a Supercap
Ride-Through Application by 40% вЂ“ Design Note 485
George H. Barbehenn
Introduction
Many electronic systems require a local power source that
allows them to ride through brief main power interruptions without shutting down. Some local power sources
must be available to carry out a controlled shutdown if
the main power input is abruptly removed. Complete Energy Utilization Maximizes Run Time
of Supercap Ride-Through Application
Figure 1 shows a complete 3.3V/200mA ride-through application that maximizes the amount of power extracted
from the supercap to support the load. A battery backup can supply power in the event of a
mains shutdown, but batteries are not well suited to
this particular application. Although batteries can store
signiп¬Ѓcant amounts of energy, they cannot deliver much
power due to their signiп¬Ѓcant source impedance. Also,
batteries have п¬Ѓnite lives of ~2 to 3 years, and the maintenance required for rechargeable batteries is substantial. The LTC В®4425 complete 2A supercapacitor charger. It
clamps the individual cell voltages to ensure that the
cells do not overvoltage during charging and balances
the cells throughout charge and discharge. The main components of the ride-through application
include: The LTC3606 micropower buck regulator produces
the regulated 3.3V output. Supercapacitors are well suited to such ride-through
applications. Their low source impedance allows them
to supply signiп¬Ѓcant power for a relatively short time, …

Модельный ряд

Серия: LTC3606B (4)

LTC3606BEDD#PBF LTC3606BEDD#TRPBF LTC3606BIDD#PBF LTC3606BIDD#TRPBF

Классификация производителя

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck
Power Management > Supercapacitor Chargers

Варианты написания:

LTC3606BEDDTRPBF, LTC3606BEDD TRPBF