Manufacturer Part Number
L4938ED
Manufacturer
stmicroelectronics
Introduction
The L4938ED is a dual-channel, low-dropout (LDO) voltage regulator from STMicroelectronics. It provides a stable and regulated output voltage from a wide input voltage range, making it suitable for a variety of power supply applications.
Product Features and Performance
Dual-channel LDO voltage regulator
Wide input voltage range: up to 28V
Adjustable output voltage: 4.9V to 5.1V
Output current capability: 100mA and 400mA
Low voltage dropout: 0.4V at 100mA, 0.6V at 400mA
Integrated thermal shutdown and current limiting protection
Enable and reset control features
Wide operating temperature range: -40°C to 150°C
Surface mount package: 20-SOIC (7.50mm width)
Product Advantages
Efficient power management with low power consumption
Stable and reliable output voltage for sensitive electronic components
Compact surface mount package for space-constrained applications
Comprehensive protection features for enhanced safety and reliability
Key Reasons to Choose This Product
Versatile dual-channel design for flexible power supply configurations
Wide input voltage range and adjustable output voltage for broad compatibility
Robust protection features for reliable operation in demanding environments
Compact surface mount package for easy integration into compact designs
Quality and Safety Features
Integrated thermal shutdown and current limiting protection
Compliance with relevant safety and quality standards
Compatibility
The L4938ED is designed to be compatible with a wide range of electronic devices and systems that require a stable and regulated power supply.
Application Areas
Portable electronics
Industrial control systems
Automotive electronics
Telecommunications equipment
Consumer electronics
Product Lifecycle
The L4938ED is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from STMicroelectronics or other manufacturers. Customers are advised to contact our website's sales team for more information on available options.