W78C438C

8-bit ROMless microcontrollers in compact PLCC and PQFP packages

Manufacturer: nuvoton

series introduction

# Introduction to the W78C438C Product Series

## Overview
The W78C438C product series represents a cutting - edge line of electronic components designed to meet the diverse and demanding requirements of modern electronic systems. These components are engineered with precision and incorporate advanced technologies to deliver high - performance, reliability, and versatility in a wide range of applications.

## Key Features

### High - Precision Performance
- **Accurate Voltage Regulation**: The W78C438C series is renowned for its exceptional voltage regulation capabilities. It can maintain a stable output voltage even in the face of significant input voltage fluctuations and varying load conditions. This precision is crucial for applications where a consistent power supply is essential, such as in sensitive electronic devices like medical equipment and high - end audio systems.
- **Low Output Ripple**: With extremely low output ripple, these components ensure a clean and smooth power delivery. This reduces electrical noise in the system, minimizing interference with other components and improving the overall performance and reliability of the connected devices.

### Robust Design
- **High - Temperature Tolerance**: The W78C438C components are designed to operate effectively in high - temperature environments. They can withstand elevated temperatures without significant degradation in performance, making them suitable for use in industrial settings, automotive applications, and other harsh operating conditions.
- **Over - Current and Over - Voltage Protection**: Built - in over - current and over - voltage protection mechanisms safeguard the components and the connected devices from damage. In the event of an abnormal current or voltage surge, the protection circuits will activate, preventing potential failures and ensuring the long - term reliability of the system.

### Versatile Compatibility
- **Wide Input Voltage Range**: The series supports a wide input voltage range, allowing it to be used in various power supply configurations. This flexibility makes it easy to integrate the W78C438C components into different systems, whether they are powered by batteries, AC - DC converters, or other power sources.
- **Multiple Output Options**: There are different output voltage and current ratings available within the W78C438C series. This enables designers to select the most appropriate component for their specific application requirements, whether it is a low - power device or a high - power system.

## Applications

### Consumer Electronics
- **Smartphones and Tablets**: The W78C438C components can be used in the power management circuits of smartphones and tablets to provide stable power to the various internal components, such as the processor, display, and memory. Their high - precision voltage regulation helps to extend the battery life and improve the overall performance of these devices.
- **Home Appliances**: In home appliances like smart TVs, refrigerators, and washing machines, the series can be employed to ensure reliable power supply to the control circuits and other electronic components. The robust design and protection features make them suitable for continuous operation in household environments.

### Industrial Automation
- **PLCs (Programmable Logic Controllers)**: PLCs are widely used in industrial automation systems to control and monitor various processes. The W78C438C components can be used to power the PLCs, providing a stable and clean power source that is essential for accurate and reliable operation.
- **Industrial Sensors**: Many industrial sensors require a precise and stable power supply to function correctly. The high - precision performance of the W78C438C series makes it an ideal choice for powering these sensors, ensuring accurate data acquisition and transmission.

### Automotive Electronics
- **Infotainment Systems**: In modern vehicles, infotainment systems are becoming increasingly complex. The W78C438C components can be used to power these systems, providing a stable power supply that is resistant to the electrical noise and voltage fluctuations present in the automotive environment.
- **Engine

Images for reference

QFP100-G1 PKG

QFP100-G1 PKG

Datasheets

Partlist

W78C438C40FL
W78C438C40PL