NCP301LSN39T1G - English Editing Encyclopedia Entry

Product Overview

Category

The NCP301LSN39T1G 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: 0.4V to 5.5V
• Low quiescent current: 3 µA (typical)
• Adjustable reset threshold voltage
• Wide operating temperature range: -40°C to +85°C
• Small package size: SOT-23-5

Package and Quantity

The NCP301LSN39T1G is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Supply voltage range: 0.4V to 5.5V
• Reset threshold voltage range: 0.39V to 4.63V
• Quiescent current: 3 µA (typical), 10 µA (maximum)
• Power-on reset delay time: 100 ms (typical)
• Operating temperature range: -40°C to +85°C

Pin Configuration

The NCP301LSN39T1G has a total of 5 pins, which are labeled as follows:

1. GND (Ground)
2. VDD (Supply Voltage)
3. RESET (Reset Output)
4. MR (Manual Reset Input)
5. NC (No Connection)

Functional Features

• Voltage monitoring: The NCP301LSN39T1G continuously monitors the supply voltage and provides a reset signal when it falls below the programmed threshold.
• Adjustable reset threshold: The reset threshold voltage can be adjusted using external resistors, allowing flexibility in setting the desired voltage level.
• Manual reset input: The MR pin allows for manual resetting of the device, overriding the automatic reset function.
• Low quiescent current: The device operates with a low quiescent current, minimizing power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages

• Wide operating voltage range enables compatibility with various electronic circuits.
• Adjustable reset threshold provides flexibility in voltage monitoring.
• Small package size allows for space-efficient integration into compact designs.
• Low quiescent current reduces power consumption, making it suitable for battery-powered devices.

Disadvantages

• Limited number of pins may restrict the functionality in complex circuit designs.
• Lack of built-in hysteresis may result in potential noise-related issues during voltage transitions.

Working Principles

The NCP301LSN39T1G operates by comparing the supply voltage with the programmed threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a low-voltage condition. The reset signal remains active until the supply voltage rises above the threshold or a manual reset is triggered.

Detailed Application Field Plans

The NCP301LSN39T1G finds application in various fields, including but not limited to: - Battery-powered devices - Embedded systems - Industrial automation - Automotive electronics - Consumer electronics

Alternative Models

Some alternative models that offer similar functionality to the NCP301LSN39T1G include: - MAX823: Voltage supervisor with adjustable reset threshold and small package size. - TPS3808: Precision voltage supervisor with adjustable threshold and wide operating temperature range. - ADM6315: Microprocessor supervisory circuit with adjustable reset threshold and low power consumption.

These alternative models can be considered based on specific requirements and design constraints.

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