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STMicroelectronics 1 Voltage Supervisor 4-Pin 3 V SOT-143 STM812SW16F
Specifications
| Country of Origin | India |
|---|---|
| Voltage | Supervisors STMicroelectronics 1 Voltage Supervisor 4-Pin 3 V SOT-143, STM812SW1 |
| Brand | STMicroelectronics |
| Height | 1.02mm |
| Length | 3.04mm |
| Model | STM812SW16F |
| Width | 1.4mm |
| Mount Type | Surface |
| Series | STM812 |
| Maximum Operating Temperature | 85°C |
| Package Type | SOT-143 |
| Sub Type | Microprocessor Supervisory Circuit |
| Minimum Operating Temperature | -40°C |
| Pin Count | 4 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1V |
| Number of Supervisors | 1 |
| Output Driver | Push Pull, Active High |
| Reset Threshold Voltage | 3V |
| Monitored Voltage | 2.93V |
| Reset Active Time | 280ms |
Key Features
- This microprocessor supervisory circuit includes manual reset functionality for reliable system control.
- The active high push-pull output driver allows direct interfacing with microcontrollers.
- Monitors supply voltage with a reset threshold voltage of 3 V and maximum supply voltage of 5.5 V.
- Operates safely across a wide temperature range of -40°C to 85°C for industrial applications.
- Compact SOT-143 surface mount package with dimensions 3.04 mm x 1.4 mm x 1.02 mm.
- Reset active time is 280 ms to ensure proper system reboot timing.
- Designed to protect microprocessor-based systems including desktops, laptops, and portable equipment.
- No watchdog timer or power-fail detection features included in this model.
Product Description
STMicroelectronics STM812SW16F is a high-precision 1 Voltage Supervisor integrated circuit designed for microprocessor supervisory and reset functions. Packaged in a compact 4-pin SOT-143 surface mount housing, it is optimized for robust power monitoring in digital systems.
This device monitors the supply voltage with a reset threshold at 3 V, ensuring microcontrollers or CPUs are properly reset during power fluctuations and startup sequences. It features an active high push-pull output driver to interface with reset lines directly. Manual reset capability adds an extra layer of control for critical applications.
The operating temperature range from -40°C to 85°C allows use in industrial, computing, consumer electronics, and portable battery-powered equipment. Its maximum supply voltage rating of 5.5 V and minimum of 1 V cover common voltage rails in embedded systems. The reset active time of 280 ms facilitates stable and reliable reset assertion.
Its small form factor with dimensions of 3.04 mm length, 1.4 mm width, and 1.02 mm height makes it suitable for dense PCB layouts where space is premium. Typical use cases include desktop and laptop computers, test and measurement instruments, power supply supervision, and microcontroller system monitoring.
This device ensures reliable microprocessor reset to prevent erratic operation during voltage disturbances. No integrated watchdog timer or power fail detection functions, focusing on core supervisory roles. Compact, surface mount SOT-143 package aids automated assembly and high volume production.
STMicroelectronics is a trusted brand in power management semiconductors for industrial and consumer electronics. Widely used in embedded system power supervision and reset control applications. Explore more power management and supervisory ICs from STMicroelectronics in EnvMart’s Electronics & Electricals section.
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Frequently Asked Questions
The reset threshold voltage of this voltage supervisor is 3 V, ensuring proper reset during power fluctuations.
The maximum supply voltage for this model is 5.5 V, which accommodates common voltage rails in embedded systems.
It operates safely across a temperature range of -40°C to 85°C, suitable for industrial applications.
This voltage supervisor comes in a SOT-143 surface mount package with dimensions of 3.04 mm length, 1.4 mm width, and 1.02 mm height.
The reset active time for this model is 280 ms, allowing for stable and reliable reset assertion.
It features an active high push-pull output driver, enabling direct interfacing with microcontrollers.
This model monitors a single supervisor, providing essential supervisory functions for microprocessor systems.
The minimum supply voltage for this device is 1 V, making it compatible with various low-voltage applications.
Yes, this voltage supervisor includes a manual reset functionality for enhanced system control.
It is designed for use in microprocessor-based systems, including desktops, laptops, and portable equipment.
The country of origin for this voltage supervisor is India.
No, this voltage supervisor does not include a watchdog timer or power-fail detection features, focusing solely on supervisory roles.
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