Datasheet Linear Technology LTC3835IGN-1#TRPBF — Даташит

Производитель	Linear Technology
Серия	LTC3835-1
Модель	LTC3835IGN-1#TRPBF

Синхронный понижающий регулятор с низким I _Q

Datasheets

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PDF, 299 Кб, Язык: анг., Файл закачен: 23 сен 2017, Страниц: 28
Low IQ Synchronous Step-Down Controller

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Многослойные керамические конденсаторы от лидеров азиатского рынка

Корпус / Упаковка / Маркировка

Корпус	SSOP-16
Код корпуса	GN
Индекс корпуса	05-08-1641 (GN16)

Параметры

Архитектура	Constant Frequency Current Mode
Demo Boards	DC965A
Design Tools	LTspice File
Экспортный контроль	нет
Основные особенности	Burst Mode, Tracking, External Synchronization, PLL
Тактовая частота	650 kHz
Frequency Sync Range	140kHz - 650kHz
Integrated Inductor	нет
Ishutdown	10 мкА
Isupply	0.08 мА
Max Phases	1
Monolithic	нет
Количество выходов	1
Рабочий диапазон температур	от -40 до 85 °C
Выходной ток	20 A
Polyphase	нет
Sense Resistor	Rsense
Switch Current	20 A
Synchronous	да
Topology	Buck
Vin Max	36 В
Vin Min	4 В
Vout Max	10 В
Vout Maximum	10V
Vout Min	0.8 В
Vref Accuracy Over Temp	1 %

Экологический статус

RoHS

Совместим

Design Notes

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80ВµA Quiescent Current Synchronous Step-Down Controller Extends Battery Life in Automotive Applications &mdash DN1014
PDF, 103 Кб, Файл опубликован: 18 дек 2006
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advertisement 80ВµA Quiescent Current Synchronous Step-Down Controller Extends Battery Life in Automotive Applications вЂ“ Design Note 1014
Julian Zhu Introduction
Battery powered applications that have a signiп¬Ѓcant
amount of time in standby mode, require electrical circuits
to operate with a low quiescent current to preserve battery life. The LTC3835 synchronous step-down controller
is an excellent solution with its ultralow quiescent current (80ВµA). Other features make it uniquely qualiп¬Ѓed to
satisfy the needs of automotive applications. A wide 4V
to 36V input voltage range protects the supply against
high input voltage transients and is compatible with low
voltage cold crank conditions. The constant frequency
current-mode architecture with high-side inductor current sensing provides excellent line and load regulation
and reliable current limiting and sharing. The 0.8V to
10V output voltage range provides п¬‚exibility for a variety
of applications. Solution size is small due to the 650kHz
switching frequency, which reduces external component
sizes, and the integrated synchronous FET driver, which
keeps component count low. Furthermore, the LTC3835
provides high efп¬Ѓciency over a wide load range up to 20A.
Other important features include:
CLKOUT The output voltage can be ramped during start-up with
an adjustable soft-start or it can track an external ramp
signal. The controller can be synchronized to an external clock
via a phase-locked loop. The CLKOUT pin and current mode control allow interleaved operation of multiple parallel controllers for …

Модельный ряд

Серия: LTC3835-1 (8)

LTC3835EDHC-1#PBF LTC3835EDHC-1#TRPBF LTC3835EGN-1#PBF LTC3835EGN-1#TRPBF LTC3835IDHC-1#PBF LTC3835IDHC-1#TRPBF LTC3835IGN-1#PBF LTC3835IGN-1#TRPBF

Классификация производителя

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | External Power Switch Buck Controllers

Варианты написания:

LTC3835IGN-1TRPBF, LTC3835IGN-1 TRPBF, LTC3835IGN1#TRPBF, LTC3835IGN 1#TRPBF