NCP380HMU20AATBG

Product Overview

Category

NCP380HMU20AATBG belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

• Voltage supervision range: 0.8V to 5.5V
• Adjustable reset threshold voltage
• Low quiescent current consumption
• Wide operating temperature range: -40°C to +125°C
• Small package size: SOT-23-5

Package

The NCP380HMU20AATBG is packaged in a small outline transistor (SOT) package, specifically SOT-23-5. This package type provides compactness and ease of integration into various circuit designs.

Essence

The essence of NCP380HMU20AATBG lies in its ability to monitor and control voltage levels, ensuring stable operation of electronic devices.

Packaging/Quantity

The product is typically available in reels containing a specific quantity of units. The exact quantity may vary depending on the supplier or manufacturer.

Specifications

• Supply voltage range: 1.6V to 5.5V
• Reset threshold voltage accuracy: ±1.5%
• Quiescent current: 2.5µA (typical)
• Power-on reset delay time: 200ms (typical)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The NCP380HMU20AATBG features a standard SOT-23-5 package with the following pin configuration:

```

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| | --| RESET |-- --| GND |-- --| VDD |-- --| NC |-- --| OUT |-- |_______| ```

Pin Description: - RESET: Reset output - GND: Ground reference - VDD: Supply voltage input - NC: No connection (unused pin) - OUT: Open-drain reset output

Functional Features

1. Voltage Monitoring: The NCP380HMU20AATBG continuously monitors the supply voltage and generates a reset signal when it falls below a predefined threshold.
2. Adjustable Threshold: The reset threshold voltage can be adjusted to suit specific application requirements.
3. Low Quiescent Current: The device consumes minimal current during operation, ensuring efficient power management.
4. Power-On Reset Delay: The product incorporates a delay circuit that ensures a stable reset output during power-up.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various electronic systems.
• Adjustable reset threshold provides flexibility in voltage monitoring.
• Low quiescent current consumption helps conserve power.
• Small package size enables space-saving integration.

Disadvantages

• Limited number of pins may restrict the device's functionality in complex circuits.
• Lack of built-in protection features may require additional external components for certain applications.

Working Principles

The NCP380HMU20AATBG operates based on a voltage comparator principle. It compares the supply voltage against the adjustable threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a low-voltage condition. This feature ensures proper functioning of connected devices by preventing erratic behavior or data corruption.

Detailed Application Field Plans

The NCP380HMU20AATBG finds applications in various fields, including but not limited to: 1. Microcontrollers: Ensuring reliable operation by monitoring the supply voltage. 2. Battery-Powered Devices: Preventing excessive discharge and protecting sensitive components. 3. Industrial Control Systems: Maintaining stable voltage levels for critical equipment. 4. Automotive Electronics: Safeguarding sensitive electronics from voltage fluctuations.

Detailed and Complete Alternative Models

1. NCP380HMUA20AATBG: Similar to NCP380HMU20AATBG, but with a different reset threshold voltage range.
2. NCP380HMU33AATBG: A variant with a fixed reset threshold voltage of 3.3V.
3. NCP380HMU50AATBG: Another variant with a fixed reset threshold voltage of 5.0V.

These alternative models offer similar functionality but cater to specific voltage requirements in different applications.

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