Manufacturer Part Number
TPS621351RGXR
Manufacturer
Texas Instruments
Introduction
TPS621351RGXR is a high efficiency synchronous step-down converter
Product Features and Performance
High efficiency synchronous step-down DC/DC converter
Adjustable output voltage
Voltage input range from 3V to 17V
Output current capability of 4A
5MHz switching frequency
Thermal shutdown and over-current protection
Product Advantages
High efficiency leads to low power dissipation
Small size 11-VFQFN package suitable for space-constrained applications
High-frequency operation allows for small external components
Synchronous rectification for better efficiency at light loads
Key Technical Parameters
Voltage - Input (Min): 3V
Voltage - Input (Max): 17V
Voltage - Output (Min/Fixed): 0.8V
Voltage - Output (Max): 12V
Current - Output: 4A
Frequency - Switching: 2.5MHz
Operating Temperature: -40°C ~ 125°C (TJ)
Package / Case: 11-VFQFN
Quality and Safety Features
Over-current protection
Thermal shutdown
Under-voltage lockout
Cycle-by-cycle current limit
Soft start function
Compatibility
Compatible with surface mount technology for PCB assembly
Fully compatible within a broad range of input and output voltages for various applications
Application Areas
Point of load power supplies
Networking, telecommunication equipment
Computing peripherals
Portable electronic devices
Product Lifecycle
Product Status: Active
Not presently near discontinuation
Potential for future replacement and upgrade options available
Several Key Reasons to Choose This Product
Efficient power management for longer battery life in portable devices
Compact form factor for design flexibility in space-limited applications
High switch frequency minimizes the size of external components
Wide input voltage range accommodates a variety of power sources
Integrated synchronous rectifier improves efficiency and reduces external component count
Reliable performance with built-in protection features
Active product supports long-term availability for ongoing projects
