Manufacturer Part Number
LM5155DSST
Manufacturer
texas-instruments
Introduction
The LM5155DSST is a high-performance, wide input voltage range, synchronous step-up/step-down DC-DC switching regulator controller. It features a wide input voltage range of 2.97V to 45V, making it suitable for a variety of applications that require a regulated output voltage. The device can operate in either step-up (boost) or step-down (buck) mode, providing design flexibility.
Product Features and Performance
Wide input voltage range of 2.97V to 45V
Switching frequency range of 100kHz to 2.2MHz
Maximum duty cycle of 96%
Soft-start function for controlled startup
Clock synchronization capability
Thermal shutdown and overcurrent protection
Product Advantages
Flexible operation in both step-up and step-down modes
Wide input voltage range accommodates a variety of applications
High switching frequency enables the use of small external components
Soft-start function for controlled startup
Thermal and overcurrent protection for reliable operation
Key Reasons to Choose This Product
Versatile operation with step-up and step-down capabilities
Wide input voltage range for diverse applications
High efficiency and small solution size
Robust protection features for reliable performance
Texas Instruments' reputation for quality and reliability
Quality and Safety Features
Thermal shutdown protection
Overcurrent protection
High-quality surface mount package
Compatibility
The LM5155DSST is compatible with a wide range of power supply and power management applications that require a regulated output voltage from a wide input voltage range.
Application Areas
Industrial and transportation equipment
Portable electronics
Automotive electronics
Battery-powered devices
Distributed power systems
Product Lifecycle
The LM5155DSST is an active product, and it continues to be supported. Customers should contact our website's sales team for the latest product information and availability.