NCP803SN263T1G - English Editing Encyclopedia Entry

Product Overview

Category

NCP803SN263T1G 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 supervisors ensure stable operation by monitoring power supply voltages.
• NCP803SN263T1G provides accurate voltage monitoring with low power consumption.
• It offers a wide operating voltage range and high accuracy.
• The device is designed to be compact and suitable for various applications.

Package

NCP803SN263T1G comes in a small SOT-23 package, which is widely used in the electronics industry.

Essence

The essence of NCP803SN263T1G lies in its ability to monitor and regulate voltage levels, ensuring reliable performance of electronic systems.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Operating Voltage Range: 1.8V to 5.5V
• Threshold Voltage Accuracy: ±1.5%
• Quiescent Current: 1.5µA (typical)
• Power-On Reset Delay: 100ms (typical)
• Output Type: Active Low
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

NCP803SN263T1G has three pins:

1. VDD: This pin is connected to the power supply voltage.
2. GND: This pin is connected to the ground reference.
3. RESET: This pin outputs a low signal when the monitored voltage falls below the threshold.

Functional Features

• Accurate Voltage Monitoring: NCP803SN263T1G ensures precise monitoring of power supply voltages, preventing system malfunctions.
• Low Power Consumption: The device operates with minimal power consumption, making it suitable for battery-powered applications.
• Power-On Reset Delay: It provides a 100ms delay to ensure stable operation during power-up.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems.
• High accuracy ensures reliable voltage monitoring.
• Compact SOT-23 package enables easy integration into space-constrained designs.
• Low quiescent current minimizes power consumption.

Disadvantages

• Limited temperature range (-40°C to +85°C) may not be suitable for extreme environments.
• Output type is active low, which may require additional circuitry for certain applications.

Working Principles

NCP803SN263T1G works by comparing the monitored voltage with a preset threshold. When the voltage falls below the threshold, the RESET pin outputs a low signal, indicating a power failure or abnormal voltage level.

Detailed Application Field Plans

NCP803SN263T1G finds applications in various fields, including: 1. Automotive electronics: Ensuring stable voltage supply to critical components. 2. Industrial control systems: Monitoring power supply integrity for reliable operation. 3. Consumer electronics: Protecting sensitive circuits from voltage fluctuations. 4. Medical devices: Ensuring uninterrupted power supply for patient safety.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to NCP803SN263T1G are: - MAX803/MAX809: Manufactured by Maxim Integrated, these voltage supervisors provide comparable features and performance. - TPS380x: Texas Instruments offers a range of voltage supervisors with different threshold options and package types.

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