Datasheet Linear Technology LTC1728ES5-5#TRMPBF — Даташит

Производитель	Linear Technology
Серия	LTC1728-5
Модель	LTC1728ES5-5#TRMPBF

Прецизионные мониторы с тройным питанием Micropower в корпусах MSOP с 8 выводами и SOT-23 с 5 выводами

Datasheets

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PDF, 332 Кб, Версия: D, Файл закачен: 24 окт 2017

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Популярные АЦП с низкой разрешающей способностью

Корпус / Упаковка / Маркировка

Корпус	SOT-23
Код корпуса	S5
Индекс корпуса	05-08-1635

Параметры

Design Tools	LTspice Model
Экспортный контроль	нет
Основные особенности	Supervisor
Isupply	15 мкА
Minimum Reset Level	1 В
Number of Supplies	3
Рабочий диапазон температур	от 0 до 85 °C
Power Fail Warning	нет
Power Up/Down Reset	да
Reset Pulse Width	200ms
Reset Voltage	5V
Second Reset Voltage	3.3V
Third Reset Voltage	Adj
Threshold Accuracy	1.5 %
Vs макс.	7 В
Watchdog Timer	нет

Экологический статус

RoHS

Совместим

Другие варианты исполнения

LTC1727-2.5 LTC1727-5 LTC1728-1.8 LTC1728-2.5 LTC1728-3.3

Статьи

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Hot Swap Controller with Power-Up Timeout Function Simplifies Hot Swapping Boards with Multiple Power Supplies &mdash LT Journal
PDF, 204 Кб, Файл опубликован: 1 дек 2003
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DESIGN FEATURES Hot Swap Controller with
Power-Up Timeout Function
Simplifies Hot Swapping Boards
with Multiple Power Supplies
by Anthony Ng and YK Sim Introduction
The LTC4212 is a Hot Swap controller that allows safe board insertion
and removal from a live backplane.
It features a supply range of 2.5V to
16.5V, programmable soft-start with
inrush current limiting, automatic retry or latched mode operation, a high
side drive for an external N-channel
MOSFET and dual level overcurrent
fault protection.
Unlike many Hot Swap controllers,
the LTC4212 does not monitor the load
side of the MOSFET directly. Instead,
the LTC4212 interfaces with external
power supply monitor ICs or directly
with the PGOOD pin of a switching
regulator. This permits the LTC4212 to
monitor any number of supplies on the
board. It has a power-up timeout function that disconnects a card from the
backplane supply when the monitored …
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Ramp Three Supplies with a Supply Monitor and Hot Swap Controller &mdash LT Journal
PDF, 235 Кб, Файл опубликован: 1 май 2001
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DESIGN IDEAS Ramp Three Supplies with a Supply
Monitor and Hot Swap Controller
by Mitchell Lee
Many digital systems with multiple
supply voltages require simultaneous
ramping of supplies at power up. Since
the power supply usually consists of
separate regulators for each voltage,
it is impossible to guarantee simultaneity of output. The circuit shown in
Figure 1 ramps the outputs of three
supplies and ensures tracking at
power up and during recovery from a
fault.
Regulators invariably start up at
different rates and different times
based on current capability, filter
capacitance and loop characteristics,
so there are no guarantees as to how
or when the outputs will rise to their
respective voltages. In this case, an
LTC1728-2.5 triple supply monitor
keeps watch over each of three regulated supplies (1.8V, 2.5V and 3.3V).
continued on page 27 Q1 1.8V/15A …

Модельный ряд

Серия: LTC1728-5 (6)

LTC1728ES5-5#PBF LTC1728ES5-5#TRMPBF LTC1728ES5-5#TRPBF LTC1728HS5-5#PBF LTC1728HS5-5#TRMPBF LTC1728HS5-5#TRPBF

Классификация производителя

Monitor, Control and Protection > Supervisory Circuits > Triple Supply Monitors
Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) System Monitor

Варианты написания:

LTC1728ES5-5TRMPBF, LTC1728ES5-5 TRMPBF, LTC1728ES55#TRMPBF, LTC1728ES5 5#TRMPBF