NCP302LSN40T1G

Product Overview

Category

The NCP302LSN40T1G belongs to the category of voltage supervisors.

Use

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

Characteristics

• Low quiescent current consumption
• Wide operating voltage range
• Adjustable reset threshold voltage
• Open-drain output configuration
• Small package size

Package

The NCP302LSN40T1G is available in a small SOT-23-5 package.

Essence

The essence of the NCP302LSN40T1G is its ability to provide accurate voltage monitoring and reset generation in various electronic applications.

Packaging/Quantity

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

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Range: 1.2V to 4.6V
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NCP302LSN40T1G has five pins:

1. GND: Ground connection
2. VDD: Positive supply voltage input
3. RESET: Open-drain reset output
4. MR: Manual reset input
5. VTRIP: Voltage threshold adjustment pin

Functional Features

• Accurate voltage monitoring
• Reset generation upon voltage detection
• Adjustable reset threshold voltage
• Manual reset capability
• Open-drain reset output for easy interfacing

Advantages and Disadvantages

Advantages

• Low power consumption
• Wide operating voltage range
• Adjustable reset threshold
• Small package size for space-constrained applications

Disadvantages

• Limited number of pins for additional functionalities
• Lack of built-in hysteresis for voltage monitoring

Working Principles

The NCP302LSN40T1G operates by continuously monitoring the input voltage level. When the voltage falls below the set threshold, the reset output is activated, indicating a power failure or an abnormal condition. The reset output remains active until the voltage rises above the threshold or a manual reset signal is applied.

Detailed Application Field Plans

The NCP302LSN40T1G finds applications in various electronic systems that require reliable voltage monitoring and reset generation. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Power management circuits
3. Battery-powered devices
4. Industrial control systems
5. Automotive electronics

Detailed and Complete Alternative Models

1. NCP301LSN30T1G: Similar to NCP302LSN40T1G but with a lower reset threshold voltage.
2. MAX823L: Voltage supervisor with integrated watchdog timer.
3. TPS3839K33DBVR: Ultra-low-power voltage supervisor with adjustable reset threshold.

These alternative models offer similar functionality and can be considered as substitutes for the NCP302LSN40T1G in specific applications.

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