Manufacturer Part Number
TPS54239EDDAR
Manufacturer
Texas Instruments
Introduction
The TPS54239EDDAR is a highly efficient step-down DC to DC regulator with advanced power management features.
Product Features and Performance
Step-down (buck) regulator topology
Adjustable output voltage range
High efficiency with D-CAP2 and Eco-Mode features
Single output with a 2A current capability
Supports a wide input voltage range from 4.5V to 23V
Synchronous rectification for improved efficiency
SWIFT series power management IC
Stable with low ESR ceramic capacitors
Adaptive on-time control architecture
Thermal and overcurrent protection
Product Advantages
High integration for a reduced component count
Fast transient response due to D-CAP2 control mode
Reduced power losses with Eco-Mode at light loads
Robust thermal performance with a wide operating temperature range
Small form factor for space-constrained applications
Key Technical Parameters
Voltage - Input (Min): 4.5V
Voltage - Input (Max): 23V
Voltage - Output (Min/Fixed): 0.76V
Voltage - Output (Max): 7V
Current - Output: 2A
Frequency - Switching: 600kHz
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Overcurrent protection
Thermal shutdown protection
Enable pin for on/off control
Under voltage lockout (UVLO)
Compatibility
Compatible with various microcontrollers and processors requiring a stable voltage supply
Suitable for surface mount technology (SMT) due to PowerSOIC package
Application Areas
Point-of-load power supplies
Industrial systems
Consumer electronics
Networking and telecommunications equipment
Computing systems
Product Lifecycle
Active product status
Not currently near discontinuation
Replacements or upgrades should be evaluated with future Texas Instruments announcements
Several Key Reasons to Choose This Product
High-efficiency power conversion, reducing energy waste
Adaptable to a wide range of input voltages, suitable for variable power sources
Compact package enables use in space-limited applications
Texas Instruments' reputation for quality and robustness
Comprehensive technical support and documentation available