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NCV8509PDW18R2G from ON,ON Semiconductor

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NCV8509PDW18R2G

Manufacturer: ON

Sequenced Linear Dual−Voltage Regulator

Partnumber Manufacturer Quantity Availability
NCV8509PDW18R2G ON 506 In Stock

Description and Introduction

Sequenced Linear Dual−Voltage Regulator # Introduction to the NCV8509PDW18R2G  

The **NCV8509PDW18R2G** is a high-performance, low-dropout (LDO) voltage regulator designed for precision power management in automotive and industrial applications. This component provides a fixed output voltage of **1.8V** with a maximum output current of **500mA**, ensuring stable and reliable power delivery even under demanding conditions.  

Built with advanced semiconductor technology, the NCV8509PDW18R2G features **low quiescent current** and **high ripple rejection**, making it ideal for noise-sensitive circuits. Its **wide input voltage range (2.7V to 45V)** allows compatibility with various power sources, while integrated protection mechanisms—including **overcurrent, overtemperature, and reverse polarity protection**—enhance system durability.  

The device is housed in a **DFNWB-8 package**, offering excellent thermal performance and space efficiency for compact PCB designs. Its **AEC-Q100 qualification** ensures compliance with stringent automotive reliability standards, making it suitable for use in **infotainment systems, ADAS modules, and industrial control units**.  

Engineers benefit from its **fast transient response** and **low dropout voltage**, which minimize power dissipation and improve efficiency. Whether used in automotive electronics or industrial automation, the NCV8509PDW18R2G delivers consistent performance with robust protection features.

Application Scenarios & Design Considerations

Sequenced Linear Dual−Voltage Regulator

Alternative Part Number

  • TPS7A4901DGNR --: Low-noise high-PSRR LDO regulator in a similar power package, suitable replacement for 18V-class regulation with wide input range.
  • LT3014BES5#TRMPBF --: High-voltage low-dropout regulator with comparable current capability and thermal performance, good functional substitute.
  • MIC5283-18YME --: Fixed 1.8V LDO regulator with similar voltage rating and package style, offering a direct functional match for the original application.

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