Manufacturer Part Number
TPS54427DDAR
Manufacturer
Texas Instruments
Introduction
The TPS54427DDAR is a highly efficient, step-down switch regulator part of Texas Instruments' SWIFT™ and D-CAP2™ series, designed for power management applications requiring a compact, high-performance solution.
Product Features and Performance
Integrated D-CAP2™ control for fast transient response
SWIFT™ technology ensures high efficiency
Adjustable output voltage from 0.76V to 7V
4A continuous output current capability
Wide input voltage range from 4.5V to 18V
Synchronous rectification for improved efficiency
650kHz switching frequency enables compact component size
Supports pre-biased startup
Internal soft start limits inrush current
Product Advantages
High efficiency reduces thermal footprint
Flexible power solution due to wide input and output voltage range
Compact design thanks to high switching frequency and integration
Fast transient response enhances performance for load variations
Improved reliability with thermal shutdown and over-current protection
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
Frequency Switching: 650kHz
Operating Temperature: -40°C ~ 85°C
Package / Case: 8-PowerSOIC with PowerPad
Quality and Safety Features
Built-in thermal shutdown protection
Over-current protection
Under-voltage lockout (UVLO)
Compatibility
Ideal for use with a wide range of microcontrollers, processors, and FPGA power supplies due to its adjustable output and wide input voltage range
Application Areas
Distributed power systems
Point of load power conversion
Networking, telecommunications
Computing devices
Portable and battery-powered equipment
Product Lifecycle
The TPS54427DDAR is currently in an Active lifecycle phase, with no announced discontinuation or replacement, ensuring long-term availability and support.
Several Key Reasons to Choose This Product
Energy-efficient operation reduces power loss and heat
Broad compatibility with various electronic devices and systems
Robust design with built-in safety features ensures reliability
Flexible and compact solution for challenging power supply requirements
Supported by Texas Instruments' reliable technical and application support
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