Voltage detector with sense input and external delay capacitor

The STM1831 is a voltage detector with very low current consumption. It monitors a voltage on a separate input pin (VSEN), which is fully functional even if the monitored voltage goes down to 0 V. In addition, the delay of the output can be adjusted by an external capacitor.

Key Features

  • Voltage monitored on separate sense input VSEN
  • Factory-trimmed voltage thresholds in 100 mV increments from 1.6 V to 5.7 V
  • ±2% voltage threshold accuracy
  • Operating voltage 1.6 V to 6.0 V
  • Open drain output
  • Low supply current of 0.8 μA (typ.)
  • Time delay programmable by external capacitor
  • Power supply transient immunity
  • Available in SOT23-5 package
  • Operating temperature –40 to 85 °C

电路原理图

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circuit_diagram_18180_thumbnail.png

设计

技术文档

产品规格
Description Version Size
DS7019 DS7019: Voltage detector with sense input and external delay capacitor 1.1 592 KB
Technical Notes & Articles
Description Version Size
TN0941 TN0941: Reset and supervisor ICs: frequently asked questions (FAQ) 1.0 328 KB

出版刊物和宣传资料

宣传册
Description Version Size
Resets and supervisors - portfolio overview 1.0 1 MB
支持和社区

样片和购买

型号 Package Packing Type Voltage Reset 1 (V) (typ) Voltage Reset 2 (V) (typ) Operating Temperature (°C) (min) Operating Temperature (°C) (max) Marketing Status Unit Price (US$) * Quantity ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
STM1831L24WY6F SOT23-5L Tape And Reel - - -40 85 Active 0.35 1000 NEC EAR99 MALAYSIA MORE INFO DISTRIBUTOR AVAILABILITY
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(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

质量和可靠性

型号 Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM1831L24WY6F ActiveSOT23-5LIndustrialEcopack3 0 0
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(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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