Manufacturer Part Number
UCD7231RTJT
Manufacturer
Texas Instruments
Introduction
The UCD7231RTJT is a step-down, transistor driver IC designed for power management applications.
Product Features and Performance
Integrated power MOSFET drivers
Up to 2MHz switching frequency
Positive output configuration
Supports buck (step-down) topology
Single-phase output
Current limit control feature
Supports high-efficiency synchronous rectification
Operates across a wide 4.7V to 15V supply range
High-temperature operational stability up to 125°C
Surface mount technology compatible with 20-WFQFN exposed pad package
Product Advantages
Excellent thermal performance with exposed pad package
High-frequency operation reduces the size of external components
Precise current limiting enhances system protection
Optimized for high-density power supply designs
Suitable for complex multi-voltage power systems
Designed for fast dynamic response and minimal external components
Key Technical Parameters
Voltage - Supply (Vcc/Vdd): 4.7V ~ 15V
Frequency - Switching: Up to 2MHz
Number of Outputs: 1
Output Phases: 1
Synchronous Rectifier: Yes
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Thermal shutdown protection
Overcurrent and short-circuit protection
Under-voltage lockout (UVLO)
Prevents damage under fault conditions
Compatibility
Compatible with a range of power supply designs including servers, telecommunications, and industrial applications
Flexible for use with an assortment of switches
Application Areas
Computing systems
Telecommunication equipment
Networking hardware
Industrial control
Power supplies
Product Lifecycle
Active product status
No indication of nearing discontinuation
Options for future upgrades and replacements available
Several Key Reasons to Choose This Product
Highly integrated design reduces component count and design complexity
Robust thermal performance suitable for high-power density applications
Versatile supply voltage range allows for design flexibility
High switching frequency enables the use of small, low-cost inductors and capacitors
Manufacturer reputation for quality and support in power management solutions
Continued availability through the active lifecycle status ensures long-term usability
Designed to meet stringent industrial performance and safety standards
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