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Microchip Micropower Voltage Supervisor 3-Pin 3.126 V Reset Threshold SOT-23 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
- Micropower design minimizes power consumption.
- Reset threshold voltage set at precise 3.126 V.
- 3-pin SOT-23 compact surface mount package.
- Monitors single voltage supply with 1 supervisor.
- Operating temperature range from -40°C to 125°C.
- Output driver is active low open drain type for flexible connection.
- Wide supply voltage range from 1 V to 5.5 V.
- No watchdog timer, manual reset, or power fail detection features.
Product Description
Microchip MCP121T-315E/TT is a high precision Micropower Voltage Supervisor IC designed to monitor a single voltage supply. It features a 3-pin SOT-23 surface mount package, providing a compact footprint ideal for space-constrained applications. With a reset threshold voltage of 3.126 V, it ensures reliable system monitoring and reset functionality.
This voltage supervisor operates efficiently from a minimum supply voltage of 1 V up to 5.5 V, making it suitable for a wide range of electronic systems. Its active low, open-drain output driver enables flexible interfacing with microcontrollers and other supervisory circuits. The device does not include a watchdog timer, manual reset, or power fail detection, focusing solely on voltage supervision.
The MCP121 series is known for its micropower characteristics, delivering low quiescent current which helps extend battery life in portable or low-power applications. Its wide operational temperature range from -40°C to 125°C supports harsh industrial and commercial environments.
Typical applications include microcontroller reset circuits, power-on reset generators, and general voltage monitoring in automotive, industrial, and consumer electronics. The small size and surface mount package simplify PCB design and assembly.
Micropower operation reduces current consumption in battery-powered devices. Precise reset threshold maintains system stability during brownouts. Small SOT-23 package optimizes PCB real estate. Suitable for industrial and automotive temperature ranges.
Active low open drain output for compatibility with various system logics. Wide supply voltage range accommodates diverse power sources. Robust device construction for reliable long-term performance. Easy integration into microcontroller supervisory circuits.
Enhanced system reliability with voltage supervision.
Set contains a single MCP121T-315E/TT voltage supervisor IC in a SOT-23 package. Ideal for electronics manufacturing, repair, and prototyping purposes. Explore more Microchip Voltage Supervisors and power management ICs at EnvMart.
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Frequently Asked Questions
The reset threshold voltage is set at a precise 3.126 V.
It operates within a temperature range from -40°C to 125°C.
This model supports a wide supply voltage range from 1 V to 5.5 V.
It features an active low, open-drain output driver for flexible connection.
The dimensions of the SOT-23 package are 3.05 mm in length, 1.4 mm in width, and 1.12 mm in height.
This device includes a single supervisor.
It is designed for surface mounting.
Typical applications include microcontroller reset circuits, power-on reset generators, and general voltage monitoring in automotive, industrial, and consumer electronics.
The monitored voltage is 3.08 V.
No, the MCP121T-315E/TT does not include a watchdog timer, manual reset, or power fail detection features.
It belongs to the MCP121 series of micropower voltage supervisors.
The country of origin for this product is India.
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