Manufacturer Part Number
TPS543B20RVFR
Manufacturer
Texas Instruments
Introduction
The TPS543B20RVFR is a high-performance step-down regulator with an adjustable output.
Product Features and Performance
Step-down (buck) topology
Adjustable output voltage
Single output channel
Supports input voltages from 4V to 19V
Provides output voltage ranging from 0.6V to 5.5V
Capable of delivering up to 25A of output current
Adjustable switching frequency from 300kHz to 2MHz
Integrated synchronous rectifier for increased efficiency
Operates at a temperature range of -40°C to 125°C
Product Advantages
High current support suitable for demanding applications
Wide range of input and output voltages for versatility
High-frequency operation allows for smaller external components
Thermal and over-current protection enhances reliability
Efficiency optimized by the synchronous rectification feature
Key Technical Parameters
Voltage - Input (Min): 4V
Voltage - Input (Max): 19V
Voltage - Output (Min/Fixed): 0.6V
Voltage - Output (Max): 5.5V
Current - Output: 25A
Frequency - Switching: 300kHz to 2MHz
Operating Temperature: -40°C to 125°C
Quality and Safety Features
Built-in thermal shutdown
Over-current protection
Under-voltage lockout
Cycle-by-cycle current limit
Compatibility
Surface mount via 40-LFQFN Exposed Pad
Compatible with 40-LQFN-CLIP (7x5) package
Application Areas
Server and telecom power systems
FPGA, DSP, and ASIC power supplies
Networking and storage systems
Industrial and medical equipment
Product Lifecycle
Product status is active
Not reported as nearing discontinuation
Availability of replacements or upgrades not specified
Several Key Reasons to Choose This Product
Flexibility in a variety of applications due to wide input and output voltage ranges
Support for high current applications
Possibility to optimize efficiency and component size due to variable switching frequency
High reliability and safety features built into the design
Trusted manufacturer with a reputation for quality in power management solutions