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Microchip 1 Supervisory Voltage Monitor 3-Pin SOT-23 Package 3.126 V Reset Threshold MCP121T-315E/TT
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 1.12mm |
| Length | 3.05mm |
| Model | MCP121T-315E/TT |
| Width | 1.4mm |
| Mount Type | Surface |
| Series | MCP121 |
| Maximum Operating Temperature | 125°C |
| Package Type | SOT-23 |
| Sub Type | Micropower |
| Minimum Operating Temperature | -40°C |
| Pin Count | 3 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1V |
| Number of Supervisors | 1 |
| Output Driver | Active Low, Open Drain |
| Reset Threshold Voltage | 3.126V |
| Monitored Voltage | 3.08V |
Key Features
- Monitors supply voltage between 1 V minimum and 5.5 V maximum.
- Features an active low, open drain output driver to signal voltage status.
- Operates within a temperature range of -40°C to 125°C for industrial reliability.
- Compact SOT-23 surface mount package measures 3.05 mm length, 1.4 mm width, and 1.12 mm height.
- Does not include watchdog timer or manual reset functionality.
- Provides stable reset output at the 3.126 V threshold ensuring system stability.
Product Description
Microchip MCP121T-315E/TT is a micropower voltage supervisor designed for reliable monitoring of single voltage supplies in industrial, electronics manufacturing, and embedded system applications. The device features a low supply voltage operation from 1 V up to 5.5 V, making it ideal for battery-powered and low-voltage systems.
This 3-pin supervisor is housed in a compact SOT-23 surface mount package with precise dimensions (3.05 mm length, 1.4 mm width, and 1.12 mm height), allowing for space-efficient PCB layouts. Its active low, open drain output provides a clear reset signal to the host controller when the monitored supply voltage drops below the fixed reset threshold of 3.126 V.
Engineered for harsh environments, the MCP121T-315E/TT is rated to operate across a temperature range from -40°C to 125°C, ensuring dependable performance in automotive, industrial, and consumer electronics applications. The device does not include manual reset or watchdog timer capabilities, focusing purely on voltage supervision.
The device is RoHS compliant and designed to facilitate automation and production efficiency with packaging available as reels suitable for automatic insertion machinery. Its stable reset threshold is essential for protecting microcontrollers and other ICs from erratic operation during power fluctuations or brownout events.
Micropower Voltage Supervisor for single supply monitoring. 3-pin SOT-23 surface mount device for compact system designs. Operating voltage range: 1 V to 5.5 V for flexible application use. Reset threshold voltage precisely set at 3.126 V to ensure system integrity.
Wide operating temperature range for industrial and automotive environments. Active low, open drain reset output for interrupt signalling.
This reliable voltage supervision component is particularly suited for industrial control, embedded systems, and power management IC applications where precision monitoring improves system resilience.
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Frequently Asked Questions
This model operates within a voltage range from 1 V to 5.5 V, making it suitable for various low-voltage applications.
The reset threshold voltage is precisely set at 3.126 V, ensuring system stability during power fluctuations.
The SOT-23 package measures 3.05 mm in length, 1.4 mm in width, and 1.12 mm in height, allowing for compact PCB designs.
It operates within a temperature range of -40°C to 125°C, making it suitable for industrial and automotive applications.
It features an active low, open drain output driver to signal voltage status, providing a clear reset signal when necessary.
This unit includes one supervisor for monitoring the supply voltage.
No, the MCP121T-315E/TT does not include a watchdog timer or manual reset functionality; it focuses solely on voltage supervision.
The MCP121T-315E/TT is manufactured in India.
The monitored voltage level is set at 3.08 V, which helps in ensuring proper system operation.
This model has a pin count of 3, suitable for its compact design.
It is designed for industrial control, embedded systems, and power management applications where voltage monitoring is essential.
The MCP121T-315E/TT uses surface mounting, which is ideal for space-efficient PCB layouts.
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