LM809M3X-3.08/NOPB
- Mfr.Part #
- LM809M3X-3.08/NOPB
- Manufacturer
- National Semiconductor
- Package / Case
- TO-236-3, SC-59, SOT-23-3
- Datasheet
- Download
- Description
- LM809 3-PIN VOLTAGE SUPERVISOR (
- Stock
- 19,748
- In Stock :
- 19,748
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- Manufacturer :
- National Semiconductor
- Product Category :
- Supervisors
- Base Part Number :
- LM809
- Min Supply Voltage :
- 1V
- Pbfree Code :
- yes
- Number of Functions :
- 1
- Packaging :
- Tape and Reel (TR)
- Max Power Dissipation :
- 320mW
- Terminal Pitch :
- 0.95mm
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Supply Voltage :
- 3.3V
- Factory Lead Time :
- 6 Weeks
- Package / Case :
- TO-236-3, SC-59, SOT-23-3
- Number of Pins :
- 3
- Power Dissipation :
- 320mW
- Number of Channels :
- 1
- Terminal Form :
- Gull wing
- Max Reset Threshold Voltage :
- 3.11V
- JESD-609 Code :
- e3
- Threshold Voltage :
- +3.08V
- Min Reset Threshold Voltage :
- 3.04V
- Type :
- Simple Reset/Power-On Reset
- Peak Reflow Temperature (Cel) :
- 260
- ECCN Code :
- EAR99
- Number of Voltages Monitored :
- 1
- Length :
- 2.92mm
- Pin Count :
- 3
- Terminal Finish :
- Matte Tin (Sn)
- Height :
- 1.22mm
- Max Supply Voltage :
- 5.5V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Watchdog Timer :
- No
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- -40°C~105°C TA
- Thickness :
- 1mm
- Mounting Type :
- Surface Mount
- Terminal Position :
- Dual
- Quiescent Current :
- 15µA
- Nominal Supply Current :
- 15µA
- Voltage - Threshold :
- 3.08V
- Number of Terminations :
- 3
- Overvoltage Threshold :
- 3.11V
- Reset :
- Active Low
- Output :
- Push-Pull, Totem Pole
- Width :
- 1.3mm
- Reset Timeout :
- 140ms Minimum
- Operating Supply Current :
- 15µA
- Mount :
- Surface Mount
- Adjustable Threshold :
- No
- Undervoltage Threshold :
- 3.04V
- Lead Free :
- Lead Free
- Datasheets
- LM809M3X-3.08/NOPB

Supervisors National Semiconductor LM809M3X-3.08/NOPB Overview
The LM809M3X-3.08/NOPB from National Semiconductor is a highly reliable voltage supervisor designed to ensure stable operation and system integrity upon power up or during undervoltage conditions. This device is essential for managing system states and preventing data corruption in sensitive electronics. The compact 3-pin SOT-23 package of the LM809 makes it an ideal choice for space-constrained applications, while its ease of integration complements a broad range of product designs. By monitoring voltage levels and triggering a reset when necessary, this supervisor chip ensures that your applications remain robust and operational, enhancing the performance and reliability of end products. This makes the Supervisors National Semiconductor LM809M3X-3.08/NOPB a critical component for developers and engineers looking to secure their systems against power anomalies and operational disruptions.
LM809M3X-3.08/NOPB Features
This voltage supervisor features a fixed threshold precision of 3.08V, ensuring accurate monitoring and response to voltage variations. It offers a low power consumption, which is crucial for battery-operated devices, and the open-drain output of the reset signal allows for flexible interfacing with other logic components. Additionally, the device's built-in delay improves system reliability by preventing false triggering due to short-term voltage dips.
LM809M3X-3.08/NOPB Applications
- Consumer Electronics: Ensures stable operation of consumer electronics such as smartphones and tablets by monitoring their power supply and initiating a reset in the event of a voltage drop.
- Computing Devices: Used in PCs and servers to safeguard system integrity during power fluctuations, preventing data corruption and system failures.
- Industrial Systems: Ideal for monitoring voltage in industrial equipment, ensuring that all components operate within safe voltage limits to avoid machinery malfunction or damage.
- Portable Devices: Plays a critical role in portable medical devices and handheld instruments by providing reliable voltage supervision, essential for accurate functioning and patient safety.
- Automotive Electronics: Utilized in automotive control systems to monitor and control the system voltage, ensuring vehicle electronics operate correctly and safely under various conditions.
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