LM3704 - 具有电源故障输入、低线路输出和手动复位功能的微处理器监控电路

LM3704是TI德州仪器公司的一款无产品，LM3704是具有电源故障输入、低线路输出和手动复位功能的微处理器监控电路，本站介绍了LM3704的封装应用图解、特点和优点、功能等，并给出了与LM3704相关的TI元器件型号供参考。

LM3704 - 具有电源故障输入、低线路输出和手动复位功能的微处理器监控电路 - 无 - 监控器和复位IC - 德州仪器

产品描述

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 VCC 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 VCC.

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.

产品特性

Standard Reset Threshold voltage: 3.08V
Custom Reset Threshold voltages: For other voltages between 2.2V and 5.0V in 10mV increments, contact National Semiconductor Corp.
No external components required
Manual-Reset input
RESET# (LM3704) or RESET (LM3705) outputs
Precision supply voltage monitor
Factory programmable Reset Timeout Delay
Separate Power Fail comparator
Available in micro SMD package for minimum footprint
±0.5% Reset threshold accuracy at room temperature
±2% Reset threshold accuracy over temperature extremes
Reset assertion down to 1V VCC (RESET# option only)
28 µA VCC supply current

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