Texas Instruments 1 Voltage Supervisor Microprocessor Supervisory Circuit 3-Pin 3.08 V SOT-23 LM809M3-2.93/NOPB

Texas Instruments LM809M3-2.93/NOPB is a single voltage supervisor microprocessor supervisory circuit designed for reliable power supply voltage monitoring in microprocessor-based applications. Featuring a 3-pin layout in a compact SOT-23 surface mount package, this component provides accurate reset output signals suitable for embedded systems and power management circuits.

The device monitors a precise voltage of 2.93 V and issues a reset signal when the voltage falls below the reset threshold of 3.08 V. It supports both active low and active high output drivers, enabling compatibility with different system reset logics. The reset active time of 840 milliseconds ensures stable system reset periods during power fluctuation or brownout conditions.

This voltage supervisor operates effectively in harsh industrial environments with an operating temperature range from -40°C up to 105°C, ensuring durability across a variety of applications including desktop, laptop, portable battery-powered equipment, and multiple-output power supplies.

The small form-factor SOT-23 package measures approximately 3.05 mm in length, 1.19 mm in width, and 940 μm in height, facilitating compact PCB designs. It supports a supply voltage range from 1.2 V minimum to a maximum of 5.5 V, making it suitable for various low-voltage system requirements.

The LM809 series is widely utilized in power supervision tasks to maintain system reliability by preventing improper start-up or operation caused by power supply problems. This product is essential for embedded system designers seeking dependable microprocessor voltage supervision and reset functionalities.

Designed for monitoring supply voltages in microprocessor systems. Features active low and active high output drivers for flexible reset signaling. Operates over a wide temperature range from -40°C to 105°C. Includes a reset active time of 840 milliseconds for stable reset control.

Compact surface-mount SOT-23 package with 3 pins and dimensions approximately 3.05 mm by 1.19 mm by 940 μm. Monitors voltage at 2.93 V with a reset threshold at 3.08 V for precise supervision. Operates within supply voltage range of 1.2 V minimum up to 5.5 V maximum.

No watchdog timer or manual reset function included.

Industrial applications include embedded computing, power management for portable devices, computer power supply sequencing, and instrumentation systems. The LM809M3-2.93/NOPB provides robust voltage supervision, ensuring system stability and protection against undervoltage conditions. Explore more about Power Management ICs and Voltage Supervisors in our EnvMart catalog for advanced component solutions.