Overview
The NCV809MTRG is a supervisory circuit manufactured by ON Semiconductor, designed to monitor the power supply voltage and provide a reset signal to the host processor when necessary. This device is particularly useful in ensuring the reliable operation of microprocessors and other digital systems. It is part of the NCV series, which is known for its high precision and reliability in power supply monitoring.
The NCV809MTRG is packaged in a 3-pin SOT-23 format, making it compact and suitable for surface mount applications. It operates over a wide temperature range from -40°C to 105°C, making it suitable for various environmental conditions, including automotive applications where it is AEC-Q100 compliant.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Reset Threshold Voltage | 4.31 | 4.38 | 4.45 | V |
| Operating Supply Voltage | 1.2 | - | 5.5 | V |
| Reset Output Type | Active Low/Push-Pull | - | - | - |
| Operating Temperature Range | -40 | - | 105 | °C |
| Package Type | - | - | SOT-23 | - |
| Lead Shape | - | - | Gull-wing | - |
| Supply Current (Typical) | - | 0.8 | - | μA |
Key Features
- Precision Voltage Monitoring: The NCV809MTRG provides precise monitoring of the supply voltage, with a reset threshold voltage of 4.38V.
- Low Supply Current: The device has a low supply current, typically 0.8 μA, making it suitable for battery-powered applications.
- Active Low/Push-Pull Reset Output: The reset output is driven active low when the supply voltage falls below the reset threshold and remains active for a specified timeout period after the voltage rises above the threshold.
- Wide Operating Temperature Range: The device operates over a temperature range of -40°C to 105°C, making it suitable for various environmental conditions.
- No External Components Required: The NCV809MTRG does not require any external components to function, simplifying the design process.
- AEC-Q100 Compliant: The device is compliant with the AEC-Q100 standard, making it suitable for automotive applications.
Applications
- Computers and Embedded Systems: The NCV809MTRG is used to ensure reliable operation of microprocessors in computer systems and embedded applications.
- Battery Powered Equipment: Its low supply current makes it ideal for battery-powered devices where power efficiency is crucial.
- Critical Microprocessor Power Supply Monitoring: It is used in applications where monitoring the power supply to the microprocessor is critical for system reliability.
- Automotive Systems: Given its AEC-Q100 compliance, it is widely used in automotive electronics to ensure robust and reliable operation under various conditions.
Q & A
- What is the primary function of the NCV809MTRG?
The primary function of the NCV809MTRG is to monitor the power supply voltage and provide a reset signal to the host processor when the voltage falls below a specified threshold.
- What is the reset threshold voltage of the NCV809MTRG?
The reset threshold voltage of the NCV809MTRG is typically 4.38V, with a minimum of 4.31V and a maximum of 4.45V.
- What is the operating temperature range of the NCV809MTRG?
The NCV809MTRG operates over a temperature range of -40°C to 105°C.
- What type of package does the NCV809MTRG come in?
The NCV809MTRG is packaged in a 3-pin SOT-23 format.
- Is the NCV809MTRG AEC-Q100 compliant?
Yes, the NCV809MTRG is AEC-Q100 compliant, making it suitable for automotive applications.
- What is the typical supply current of the NCV809MTRG?
The typical supply current of the NCV809MTRG is 0.8 μA.
- Does the NCV809MTRG require any external components to function?
No, the NCV809MTRG does not require any external components to function.
- What type of reset output does the NCV809MTRG have?
The NCV809MTRG has an active low/push-pull reset output.
- In what types of applications is the NCV809MTRG commonly used?
The NCV809MTRG is commonly used in computers, embedded systems, battery-powered equipment, and critical microprocessor power supply monitoring applications.
- Is the NCV809MTRG RoHS compliant?
Yes, the NCV809MTRG is RoHS compliant.
