NCP303LSN38T1

Product Overview

Category

The NCP303LSN38T1 belongs to the category of voltage supervisors.

Use

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

Characteristics

• The NCP303LSN38T1 is a low-power voltage supervisor designed for use in battery-powered applications.
• It operates with a supply voltage range of 1.0V to 5.5V.
• This device offers an adjustable threshold voltage, allowing flexibility in voltage monitoring.
• It has a low quiescent current consumption, making it suitable for power-sensitive applications.
• The NCP303LSN38T1 provides a reset output signal when the monitored voltage falls below the set threshold.

Package

The NCP303LSN38T1 is available in a small SOT-23-3 package.

Essence

The essence of the NCP303LSN38T1 lies in its ability to accurately monitor voltage levels and provide a reliable reset signal when necessary.

Packaging/Quantity

This product is typically packaged in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Adjustable Threshold Voltage Range: 0.4V to 5.0V
• Quiescent Current: 2.0µA (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NCP303LSN38T1 features a standard SOT-23-3 package with the following pin configuration:

```

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| | --| VDD|-- Pin 1: Supply Voltage (VDD) --| GND|-- Pin 2: Ground (GND) --| RST|-- Pin 3: Reset Output (RST) |____| ```

Functional Features

• Accurate voltage monitoring: The NCP303LSN38T1 ensures precise monitoring of voltage levels, enabling reliable system operation.
• Adjustable threshold voltage: The device allows users to set the desired voltage threshold for triggering a reset signal.
• Low power consumption: With its low quiescent current, the NCP303LSN38T1 minimizes power consumption, making it suitable for battery-powered applications.
• Reset output signal: When the monitored voltage falls below the set threshold, the device generates a reset signal to initiate appropriate actions.

Advantages and Disadvantages

Advantages

• Wide supply voltage range enables compatibility with various electronic systems.
• Adjustable threshold voltage provides flexibility in voltage monitoring.
• Low quiescent current consumption prolongs battery life.
• Compact SOT-23-3 package facilitates space-constrained designs.

Disadvantages

• Limited number of pins may restrict additional functionalities.
• Not suitable for high-voltage applications beyond the specified range.

Working Principles

The NCP303LSN38T1 operates by comparing the input voltage with the internally set threshold voltage. When the input voltage drops below the threshold, the device triggers a reset signal. This signal remains active until the input voltage rises above the threshold or power is removed.

Detailed Application Field Plans

The NCP303LSN38T1 finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the NCP303LSN38T1 include: - NCP302LSN30T1G - MAX823LEUK-T - TPS3808G01DBVR

These models provide voltage supervision capabilities and can be considered as alternatives based on specific application requirements.

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