Manufacturer Part Number
TPS54428DRCT
Manufacturer
Texas Instruments
Introduction
High-efficiency synchronous step-down regulator
Product Features and Performance
Integrated high-side and low-side MOSFETs
D-CAP2™ control mode for fast transient response
Eco-Mode™ operation for light load efficiency
Adjustable soft-start and overcurrent protection
Power Good (PG) signal output
Internal compensation minimizes external components
Thermal shutdown protection
Product Advantages
Minimized board space with small 10-VSON package
Low quiescent current for improved efficiency
Robust performance across a wide range of input and output voltages
Intended for various applications due to flexible design
Key Technical Parameters
Input Voltage Range: 4.5V to 18V
Output Voltage Range: 0.76V to 7V
Output Current: 4A
Switching Frequency: 650kHz
Top Synchronous Rectifier for higher efficiency
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Overcurrent protection with auto-recovery
Thermal shutdown
Under-voltage lockout (UVLO)
Safe operating area protection
Compatibility
Compatible with ceramic, tantalum, and polymer capacitors
Suitable for high-switching-frequency applications
Application Areas
Networking, Consumer Electronics, Point-of-Load applications
Telecom and Datacom systems
Aftermarket automotive power supplies
Product Lifecycle
Active product status, not nearing discontinuation
Replacements or upgrades should be checked via Texas Instruments’ product directory
Several Key Reasons to Choose This Product
Efficient power management for a wide input voltage range
Compact design facilitates use in space-constrained applications
The integrated solution reduces external component count
Enhanced thermal performance and reliability
High energy efficiency aids in meeting energy-saving standards
Manufacturer offers strong technical support and design resources