NCP303LSN26T1

Product Overview

Category

The NCP303LSN26T1 belongs to the category of voltage detectors.

Use

It is primarily used for monitoring and detecting voltage levels in electronic circuits.

Characteristics

• Low quiescent current consumption
• Wide operating voltage range
• Adjustable threshold voltage
• High accuracy and stability
• Small package size

Package

The NCP303LSN26T1 is available in a small SOT-23-5 package.

Essence

This voltage detector is designed to provide reliable voltage monitoring and detection functionality in various electronic applications.

Packaging/Quantity

The NCP303LSN26T1 is typically sold in reels containing 3000 units.

Specifications

• Operating Voltage Range: 1.6V to 6.0V
• Threshold Voltage Options: Adjustable from 1.2V to 5.0V
• Quiescent Current: 1.5µA (typical)
• Output Type: Active-Low Open Drain
• Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The NCP303LSN26T1 features a standard SOT-23-5 package with the following pin configuration:

```

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| | |____| | | 1 || 5 2 || 4 3 |__| ```

Pin 1: GND (Ground) Pin 2: VDD (Supply Voltage) Pin 3: VOUT (Output) Pin 4: NC (No Connection) Pin 5: TH (Threshold Voltage)

Functional Features

• Undervoltage Detection: The NCP303LSN26T1 monitors the input voltage and provides an output signal when it falls below the set threshold voltage.
• Adjustable Threshold Voltage: The threshold voltage can be adjusted to suit specific application requirements.
• Active-Low Open Drain Output: The output pin provides an active-low signal, allowing easy integration with other circuitry.

Advantages and Disadvantages

Advantages

• Low quiescent current consumption ensures minimal power usage.
• Wide operating voltage range makes it compatible with various power supply configurations.
• Adjustable threshold voltage allows flexibility in voltage monitoring.
• Small package size enables space-saving designs.

Disadvantages

• Limited number of threshold voltage options may not cater to all voltage monitoring needs.
• Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The NCP303LSN26T1 operates by comparing the input voltage with the set threshold voltage. When the input voltage falls below the threshold, the output pin is activated, indicating an undervoltage condition. The adjustable threshold voltage allows customization for different voltage monitoring requirements.

Detailed Application Field Plans

The NCP303LSN26T1 finds applications in various fields, including:

1. Battery-Powered Devices: It can be used to monitor battery voltage levels and trigger low-battery warnings or shutdowns.
2. Power Management Systems: It enables efficient power management by detecting undervoltage conditions and initiating appropriate actions.
3. Industrial Control Systems: The voltage detector ensures reliable operation of control systems by monitoring critical voltage levels.
4. Automotive Electronics: It plays a crucial role in automotive electronics, such as vehicle battery monitoring and fault detection.

Detailed and Complete Alternative Models

1. NCP303LSN30T1: Similar to NCP303LSN26T1 but with a higher threshold voltage range (adjustable from 1.5V to 5.0V).
2. NCP303LSN33T1: Similar to NCP303LSN26T1 but with a higher threshold voltage range (adjustable from 1.8V to 5.0V).
3. NCP303LSN50T1: Similar to NCP303LSN26T1 but with a higher threshold voltage range (adjustable from 2.5V to 5.0V).

These alternative models provide options for different voltage monitoring requirements while maintaining similar characteristics and functionality.

In conclusion, the NCP303LSN26T1 is a versatile voltage detector offering low power consumption, adjustable threshold voltage, and compact size. Its wide range of applications and availability of alternative models make it a reliable choice for voltage monitoring in various electronic systems.