LM3704 datasheet(1/17 Pages) NSC

tên linh kiện	LM3704

Giải thích chi tiết về linh kiện	Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset

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LM3704/LM3705

Microprocessor Supervisory Circuits with Power Fail

Input, Low Line Output and Manual Reset

General Description

The LM3704/LM3705 series of microprocessor supervisory

circuits provide the maximum flexibility for monitoring power

supplies and battery controlled functions in systems without

backup batteries. The LM3704/LM3705 series are available

in MSOP-10 and 9-bump micro SMD packages.

Built-in features include the following:

Reset: Reset is asserted during power-up, power-down, and

brownout conditions. RESET is guaranteed down to V

CC of

1.0V.

Manual Reset Input: An input that asserts reset when pulled

low.

Power-Fail Input: A 1.225V threshold detector for power fail

warning, or to monitor a power supply other than V

CC.

Low Line Output: This early power failure warning indicator

goes low when the supply voltage drops to a value which is

2% higher than the reset threshold voltage.

Features

n

Standard Reset Threshold voltage: 3.08V

n

Custom Reset Threshold voltages: For other voltages

between 2.2V and 5.0V in 10mV increments, contact

National Semiconductor Corp.

n

No external components required

n

Manual-Reset input

n

RESET (LM3704) or RESET (LM3705) outputs

n

Precision supply voltage monitor

n

Factory programmable Reset Timeout Delay

n

Separate Power Fail comparator

n

Available in micro SMD package for minimum footprint

n ±

0.5% Reset threshold accuracy at room temperature

n ±

2% Reset threshold accuracy over temperature

extremes

n

Reset assertion down to 1V V

CC (RESET option only)

n

28 µA V

CC supply current

Applications

n

Embedded Controllers and Processors

n

Intelligent Instruments

n

Automotive Systems

n

Critical µP Power Monitoring

Typical Application

10136903

July 2002

DS101369

www.national.com

Số phần tương tự - LM3704

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	LM3704	396Kb / 18P	Voltage Supervisor With Power-Fail Input, Low-Line Output and Manual Reset
	LM3704XCMM-308/NOPB	396Kb / 18P	Voltage Supervisor With Power-Fail Input, Low-Line Output and Manual Reset
	LM3704YCMM-232/NOPB	396Kb / 18P	Voltage Supervisor With Power-Fail Input, Low-Line Output and Manual Reset
	LM3704YCMM-308/NOPB	396Kb / 18P	Voltage Supervisor With Power-Fail Input, Low-Line Output and Manual Reset
	LM3704YCMMX-308/NOPB	396Kb / 18P	Voltage Supervisor With Power-Fail Input, Low-Line Output and Manual Reset

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Mô tả tương tự - LM3704

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
National Semiconductor ...	LM3710	319Kb / 16P	Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output, Manual Reset and Watchdog Timer
	LM3702	222Kb / 13P	Microprocessor Supervisory Circuits with Low Line Output and Manual Reset
	LM3712	244Kb / 13P	Microprocessor Supervisory Circuits with Separate Watchdog Timer Output, Power Fail Input and Manual Reset
	LM3709	232Kb / 11P	Microprocessor Supervisory Circuits with Low Line Output, Manual Reset and Watchdog Timer
ams AG	AS1916	401Kb / 13P	Microprocessor Supervisory Circuits with Manual Reset and Watchdog
SG Micro Corp	SGM811	480Kb / 9P	Microprocessor Supervisory with Manual Reset Input
SG Micro Corp	SGM811	360Kb / 2P	Microprocessor Supervisory with Manual Reset Input
Texas Instruments	LM3704	396Kb / 18P	Voltage Supervisor With Power-Fail Input, Low-Line Output and Manual Reset
Texas Instruments	LM3710	1Mb / 19P	LM3710/LM3711 Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output, Manual Reset and Watchdog Timer
SG Micro Corp	SGM811	1Mb / 12P	Microprocessor Supervisory with Manual Reset Input

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