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LM3710

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具有電源故障輸入、低電平線路輸出、手動復位和看門狗計時器的電壓監控器和復位 IC

產品詳情

Rating Catalog Number of supplies monitored 2 Threshold voltage 1 (typ) (V) 2.32, 3.08, 4.63 Features Manual reset capable, PFI/PFO, Timeout watchdog, Undervoltage monitor only, Watchdog timer Reset threshold accuracy (%) 0.5 Iq (typ) (mA) 0.028 Output driver type/reset output Active-low, Open-drain, Push-Pull Time delay (ms) 28, 200 Watchdog timer WDI (s) 0.1, 1.6 Supply voltage (min) (V) 1 Supply voltage (max) (V) 5.5 Operating temperature range (°C) -40 to 85
Rating Catalog Number of supplies monitored 2 Threshold voltage 1 (typ) (V) 2.32, 3.08, 4.63 Features Manual reset capable, PFI/PFO, Timeout watchdog, Undervoltage monitor only, Watchdog timer Reset threshold accuracy (%) 0.5 Iq (typ) (mA) 0.028 Output driver type/reset output Active-low, Open-drain, Push-Pull Time delay (ms) 28, 200 Watchdog timer WDI (s) 0.1, 1.6 Supply voltage (min) (V) 1 Supply voltage (max) (V) 5.5 Operating temperature range (°C) -40 to 85
VSSOP (DGS) 10 14.7 mm2 3 x 4.9
  • Standard Reset Threshold Voltage: 3.08V
  • Custom Reset Threshold Voltages: For other voltages between 2.2V and 5.0V in 10mV increments, contact TI
  • No External Components Required
  • Manual-Reset Input
  • RESET (LM3710) or RESET (LM3711) Outputs
  • Precision Supply Voltage Monitor
  • Factory Programmable Reset and Watchdog Timeout Delays
  • Separate Power Fail Comparator
  • Available in DSBGA 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

All trademarks are the property of their respective owners.

  • Standard Reset Threshold Voltage: 3.08V
  • Custom Reset Threshold Voltages: For other voltages between 2.2V and 5.0V in 10mV increments, contact TI
  • No External Components Required
  • Manual-Reset Input
  • RESET (LM3710) or RESET (LM3711) Outputs
  • Precision Supply Voltage Monitor
  • Factory Programmable Reset and Watchdog Timeout Delays
  • Separate Power Fail Comparator
  • Available in DSBGA 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

All trademarks are the property of their respective owners.

The LM3710/LM3711 series of microprocessor supervisory circuits provide the maximum flexibility for monitoring power supplies and battery controlled functions in systems without backup batteries. The LM3710/LM3711 series are available in VSSOP-10 and 9-bump DSBGA packages.

Built-in features include the following:

Reset: Reset is asserted during power-up, power-down, and brownout conditions. RESET is ensured 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.

Watchdog Timer: The WDI (Watchdog Input) monitors one of the µP's output lines for activity. If no output transition occurs during the watchdog timeout period, reset is activated.

The LM3710/LM3711 series of microprocessor supervisory circuits provide the maximum flexibility for monitoring power supplies and battery controlled functions in systems without backup batteries. The LM3710/LM3711 series are available in VSSOP-10 and 9-bump DSBGA packages.

Built-in features include the following:

Reset: Reset is asserted during power-up, power-down, and brownout conditions. RESET is ensured 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.

Watchdog Timer: The WDI (Watchdog Input) monitors one of the µP's output lines for activity. If no output transition occurs during the watchdog timeout period, reset is activated.
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技術文檔

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類型 標題 下載最新的英語版本 日期
* 數據表 LM3710/LM3711 Micro Sup Cir w/Pwr Fail In, LoLne Out, Man Rst & Watchdog Timer 數據表 (Rev. E) 2013年 3月 21日
選擇指南 Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) 2020年 2月 28日
電子書 電壓監測儀和電壓檢測器：提示、技巧和基礎知識 英語版 2019年 8月 28日
選擇指南 電源管理指南 2018 (Rev. K) 2018年 7月 31日
選擇指南 電源管理指南 2018 (Rev. R) 2018年 6月 25日
技術文章 Selecting voltage detectors, supervisors, and reset ICs for system safety: part 2 PDF | HTML 2016年 10月 21日

設計和開發

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仿真模型

LM3710X-3P08 PSpice Transient Model

SNVMB96.ZIP (52 KB) - PSpice Model
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LM3710X-3P08 Unencrypted PSpice Transient Model

SNVMB97.ZIP (3 KB) - PSpice Model
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仿真模型

LM3710X-4P63 PSpice Transient Model

SNVMB98.ZIP (52 KB) - PSpice Model
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仿真模型

LM3710X-4P63 Unencrypted PSpice Transient Model

SNVMB99.ZIP (3 KB) - PSpice Model
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仿真模型

LM3710Y-2P32 PSpice Transient Model

SNVMBA0.ZIP (51 KB) - PSpice Model
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仿真模型

LM3710Y-2P32 Unencrypted PSpice Transient Model

SNVMBA1.ZIP (3 KB) - PSpice Model
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VSSOP (DGS) 10 Ultra Librarian

訂購和質量

包含信息：
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  • 器件標識
  • 引腳鍍層/焊球材料
  • MSL 等級/回流焊峰值溫度
  • MTBF/時基故障估算
  • 材料成分
  • 鑒定摘要
  • 持續可靠性監測
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