Manufacturer Part Number
TPS54495PWPR
Manufacturer
texas-instruments
Introduction
The TPS54495PWPR is a dual-channel, synchronous buck (step-down) converter.
Product Features and Performance
D-CAP2™ control for fast transient response
Eco-Mode™ for high efficiency at light loads
Synchronous rectification for improved efficiency
Adjustable switching frequency up to 700 kHz
Output voltage range from 0.76V to 7V
Supports pre-biased start-ups
Selectable operating frequency, voltage soft start/time sequencing
Thermal and overcurrent protection
Product Advantages
High efficiency for power saving
Dual-channel operation for multi-rail systems
Wide input voltage range suitable for various applications
Low external component count due to integrated circuit design
Power Good (PG) output for power sequencing
Key Technical Parameters
Voltage - Input (Min): 4.5V
Voltage - Input (Max): 18V
Voltage - Output (Min/Fixed): 0.76V
Voltage - Output (Max): 7V
Current - Output: 4A (Channel 1), 2A (Channel 2)
Frequency - Switching: 700kHz
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Built-in thermal shutdown
Under-voltage lockout
Peak current mode control
Overcurrent protection
Compatibility
Compatible with a variety of capacitive and resistive loads
Functional in multi-rail power supply systems
Application Areas
Distributed power systems
FPGA, DSP, and ASIC supplies
Networking and telecommunication equipment
Green electronics or energy-efficient applications
Product Lifecycle
Active status, not reported near discontinuation
Replacements or upgrades may be sought for future-proofing or enhanced performance
Several Key Reasons to Choose This Product
Efficiency and performance offered by D-CAP2™ and Eco-Mode™ technology
Wide input voltage useful for fluctuating power supplies
Dual outputs allow for versatile application in complex systems
The scalable switching frequency accommodates different power needs
Robust temperature range ensures reliability in varied environments