STMicroelectronics Voltage Supervisor 1 Supervisor 4-Pin 3.15 V SOT-143 STM812TW16F

STMicroelectronics STM812TW16F Voltage Supervisor is a specialized microprocessor supervisory circuit designed for power supply voltage monitoring. This 4-pin device is packaged in a compact SOT-143 format, making it ideal for assembly in densely packed electronic assemblies.

The device monitors the voltage at 3.08 V and asserts a reset signal when the supply voltage falls below the 3.15 V threshold, ensuring reliable operation of microprocessors and microcontrollers. It includes a manual reset feature and an active high push-pull output driver, facilitating straightforward system reset signaling.

Operating over a temperature range from -40°C to 85°C, the STM812TW16F is suitable for industrial and commercial electronic applications where temperature resilience is required. Its supply voltage range spans from 1 V to 5.5 V, supporting varied power supply environments.

Measuring 3.04 mm in length, 1.4 mm in width, and 1.02 mm in height, the compact SOT-143 package supports surface mount technology for efficient PCB space utilization. The reset active time of 280 ms allows stable and predictable reset cycles, critical for robust system performance.

Monitored voltage is 3.08 V ensuring precise supervision. Manual reset capability supports controlled resetting. Push-pull, active high output driver ensures clear signaling. Operating temperature range of -40°C to 85°C allows usage in harsh environments.

Small SOT-143 package enables compact PCB layout. Wide supply voltage range from 1 V to 5.5 V enhances versatility. No watchdog timer included, simplifying functionality. Reset active time of 280 ms for stable reset operations.

Single supervisor design for dedicated monitoring applications. Surface mount mount type for easy automated assembly.

This voltage supervisor IC is ideal for power management in desktop computers, portable battery-powered devices, and test and measurement instruments. Its reliable reset and supervisory functions prevent erratic microprocessor behavior caused by voltage dips or failures, thereby enhancing device stability and longevity.

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