STMicroelectronics

L4931CD50-TR

The L4931CD50-TR is a high-performance, step-down (buck) switching regulator from STMicroelectronics. It is designed to provide efficient and precise voltage regulation for a wide range of applications. Here's a brief description, features, and applications of the L4931CD50-TR:

Description:

The L4931CD50-TR is a monolithic integrated circuit in a thermally enhanced TSSOP-20 package. It is a step-down (buck) converter that can accept a wide input voltage range and provide a regulated output voltage. The device features a high-efficiency design, making it suitable for battery-powered applications.

Features:

1. Wide input voltage range: 4.5V to 40V
2. Output voltage as low as 0.9V
3. High efficiency up to 95%
4. High output current up to 5A
5. Low quiescent current: 300µA (maximum)
6. Fixed or adjustable output voltage
7. Internal soft-start and current limit protection
8. Thermal shutdown and over-voltage protection
9. TSSOP-20 package for enhanced thermal performance
10. Operating temperature range: -40°C to +125°C

Applications:

1. Portable devices: Smartphones, tablets, and laptops
2. Power banks and battery chargers
3. LED lighting and drivers
4. Industrial control systems
5. Telecommunication equipment
6. Medical equipment
7. Consumer electronics
8. IoT devices and wearables
9. Automotive applications (with appropriate qualification)

The L4931CD50-TR is a versatile and efficient step-down converter suitable for a wide range of applications requiring precise voltage regulation and high performance. Its wide input voltage range, high efficiency, and thermally enhanced package make it an ideal choice for battery-powered and energy-sensitive applications.