Manufacturer Part Number
TPS54521RHLR
Manufacturer
Texas Instruments
Introduction
The TPS54521RHLR is a high-performance, step-down, adjustable output voltage regulator from Texas Instruments, designed for a wide range of power management applications.
Product Features and Performance
Step-down (Buck) configuration for efficient power conversion.
Adjustable output voltage allows customization for various applications.
Support for synchronous rectification for improved efficiency.
Wide input voltage range from 4.5V to 17V suitable for diverse power sources.
Adjustable switching frequency from 200kHz to 900kHz enables optimization for efficiency and component size.
Capable of delivering up to 5A of output current to power demanding loads.
High-temperature operational capability from -40°C to 125°C.
Product Advantages
Flexibility in designing power supply circuits due to adjustable output voltage.
High efficiency and reduced heat due to synchronous rectification.
Suitable for compact designs thanks to its small 14-VFQFN package.
Wide input voltage range accommodates various power sources and systems.
Thermal and operational stability across a broad temperature range.
Key Technical Parameters
Voltage Input (Min): 4.5V
Voltage Input (Max): 17V
Voltage Output (Min/Fixed): 0.8V
Voltage Output (Max): 15V
Current Output: 5A
Frequency Switching: 200kHz ~ 900kHz
Operating Temperature: -40°C ~ 125°C (TJ)
Mounting Type: Surface Mount
Package / Case: 14-VFQFN Exposed Pad
Quality and Safety Features
Built-in thermal overload protection.
Under-voltage lockout (UVLO) prevents operation at unsafe input voltages.
Overcurrent protection safeguards the device and the load.
Compatibility
Compatible with a wide range of input voltages and suitable for multi-voltage power systems.
The adjustable switching frequency allows for use with various inductor sizes and values.
Application Areas
Power supply for microprocessors and DSPs.
Powering FPGAs, ASICs, and other digital ICs.
Communications equipment, networking, and portable devices.
Product Lifecycle
The product is currently active and not nearing discontinuation.
Availability of replacements or upgrades can be checked on the Texas Instruments website.
Several Key Reasons to Choose This Product
High efficiency and versatility in voltage regulation for varying load conditions.
Compact and heat-resistant design suitable for space-constrained applications.
Broad compatibility and easy integration into existing and new designs.
Texas Instruments' reputation for reliability and quality assurance in power management components.
Support for high current output makes it suitable for power-intensive applications.
TPS54521RHLTexas Instruments
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