NCP301LSN42T1G - onsemi

Manufacturer Part Number

NCP301LSN42T1G

Manufacturer

onsemi

Introduction

Low-voltage microprocessor supervisor with power-on reset and watchdog timer functionality

Designed to monitor the supply voltage and generate a reset signal when the voltage drops below a preset threshold

Product Features and Performance

Monitors single power supply voltage

Generates active-low reset signal when supply voltage drops below preset threshold

Integrated watchdog timer function to reset the system in case of microprocessor malfunction

Low quiescent current of 1 μA typical

Product Advantages

Compact SOT-23-5 package for space-constrained applications

Wide operating temperature range of -40°C to 125°C

RoHS compliant

Key Technical Parameters

Supply voltage range: 2.7V to 5.5V

Reset threshold voltage: 4.2V

Watchdog timeout period: 100 ms

Quality and Safety Features

ESD protection up to 2kV (HBM)

Overcurrent and short-circuit protection

Compatibility

Suitable for a wide range of microprocessor-based systems

Application Areas

Ideal for battery-powered and portable electronic devices

Suitable for industrial, consumer, and automotive applications

Product Lifecycle

This product is currently in production and widely available

No plans for discontinuation or major upgrades in the near future

Key Reasons to Choose This Product

Compact size and wide temperature range make it suitable for space-constrained and harsh environments

Integrated power-on reset and watchdog timer functionality simplify system design

Low quiescent current helps extend battery life in portable applications

Robust protection features ensure reliable operation