NCP380LSN05AAT1G

Product Overview

Category

The NCP380LSN05AAT1G belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage range: 0.5V to 5.5V
• Low quiescent current: 10µA (typical)
• Adjustable reset threshold voltage
• Power-on reset delay time: 100ms (typical)
• Open-drain output
• Small package size: SOT-23-5

Package

The NCP380LSN05AAT1G is packaged in a small outline transistor (SOT) package, specifically SOT-23-5.

Essence

The essence of the NCP380LSN05AAT1G is its ability to monitor and control voltage levels, ensuring proper functioning of electronic circuits.

Packaging/Quantity

This product is typically available in reels containing a quantity of 3000 units per reel.

Specifications

• Supply voltage range: 0.5V to 5.5V
• Reset threshold voltage range: 0.4V to 4.6V
• Operating temperature range: -40°C to +85°C
• Quiescent current: 10µA (typical)
• Power-on reset delay time: 100ms (typical)
• Output type: Open-drain

Detailed Pin Configuration

The NCP380LSN05AAT1G has five pins arranged as follows:

```

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

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

Functional Features

The NCP380LSN05AAT1G offers the following functional features:

1. Voltage Monitoring: The device continuously monitors the voltage level and provides a reset signal when it falls below the programmed threshold.
2. Adjustable Threshold: The reset threshold voltage can be adjusted according to the specific requirements of the application.
3. Power-On Reset Delay: The device ensures a stable reset signal by delaying its activation for a specified time after power-on.
4. Open-Drain Output: The open-drain output allows for easy integration with other circuitry.

Advantages and Disadvantages

Advantages

• Wide operating voltage range enables compatibility with various electronic systems.
• Low quiescent current minimizes power consumption.
• Adjustable reset threshold provides flexibility in voltage monitoring.
• Small package size allows for space-efficient designs.
• Open-drain output simplifies interfacing with other components.

Disadvantages

• Limited to voltage monitoring applications, not suitable for other functions.
• Requires external components for proper operation.
• Sensitive to noise and voltage fluctuations in the input supply.

Working Principles

The NCP380LSN05AAT1G operates based on a voltage comparator principle. It compares the input voltage with the programmed threshold voltage. When the input voltage drops below the threshold, the reset output is activated, indicating a low-voltage condition. The reset output remains active until the input voltage rises above the threshold again.

Detailed Application Field Plans

The NCP380LSN05AAT1G finds applications in various fields, including but not limited to:

1. Battery-Powered Devices: Ensuring proper shutdown or warning when battery voltage drops below a critical level.
2. Microcontroller Systems: Providing a reliable reset signal to microcontrollers during power-up or voltage fluctuations.
3. Industrial Control Systems: Monitoring voltage levels in critical control circuits to prevent malfunction or damage.
4. Automotive Electronics: Protecting sensitive electronic components from voltage variations and ensuring proper operation.

Detailed and Complete Alternative Models

1. NCP380LSN05AAT1G-ADJ: Similar to the NCP380LSN05AAT1G, but with an adjustable reset threshold voltage.
2. NCP380LSN05AAT1G-1.8: Variant with a fixed reset threshold voltage of 1.8V.
3. NCP380LSN05AAT1G-3.3: Variant with a fixed reset threshold voltage of 3.3V.
4. NCP380LSN05AAT1G-5.0: Variant with a fixed reset threshold voltage of 5.0V.

These alternative models provide options for different voltage monitoring requirements and can be considered based on specific application needs.

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