NCP302LSN18T1G

Product Overview

Category

The NCP302LSN18T1G 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
• Small package size

Package

The NCP302LSN18T1G comes in a small SOT-23-5 package.

Essence

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

Packaging/Quantity

The NCP302LSN18T1G is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Threshold Voltage Range: 1.8V to 4.6V
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active low or active high

Detailed Pin Configuration

The NCP302LSN18T1G has the following pin configuration:

1. GND (Ground)
2. VDD (Supply Voltage)
3. TH (Threshold Voltage)
4. OUT (Output)
5. NC (No Connection)

Functional Features

• Accurate voltage detection
• Low power consumption
• Adjustable threshold voltage
• Open-drain output for easy interfacing
• Built-in hysteresis for noise immunity

Advantages and Disadvantages

Advantages

• Low quiescent current consumption extends battery life in portable devices.
• Wide operating voltage range allows for versatile use in different applications.
• Adjustable threshold voltage provides flexibility in voltage monitoring.
• Small package size enables space-saving designs.

Disadvantages

• Limited output options (active low or active high).
• No built-in overvoltage protection.

Working Principles

The NCP302LSN18T1G operates by comparing the input voltage with the internally set threshold voltage. When the input voltage exceeds the threshold, the output is activated, indicating a high voltage condition. Conversely, when the input voltage falls below the threshold, the output is deactivated, indicating a low voltage condition.

Detailed Application Field Plans

The NCP302LSN18T1G can be used in various applications, including:

1. Battery-powered devices: To monitor battery voltage and trigger actions based on voltage levels.
2. Power management systems: To detect power supply failures or abnormal voltage conditions.
3. Industrial control systems: To ensure proper voltage levels in critical circuits.
4. Automotive electronics: To monitor voltage in vehicle systems and trigger appropriate responses.

Detailed and Complete Alternative Models

1. NCP301LSN30T1G: Similar to NCP302LSN18T1G but with a different threshold voltage range (3.0V to 6.0V).
2. NCP303LSN33T1G: Voltage detector with a fixed threshold voltage of 3.3V.
3. NCP304LSN50T1G: Voltage detector with a fixed threshold voltage of 5.0V.

These alternative models offer similar functionality but cater to different voltage monitoring requirements.

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