Manufacturer Part Number
TPS53353DQPR
Manufacturer
Texas Instruments
Introduction
The TPS53353DQPR is a highly efficient step-down DC-DC switching regulator with integrated synchronous rectifiers.
Product Features and Performance
D-CAP™ and Eco-Mode™ technology for enhanced efficiency
Adjustable output voltage
Single output with up to 20A current capacity
Wide input voltage range from 1.5V to 15V
Adjustable switching frequency from 250kHz to 1MHz
Supports pre-biased startup
Low shutdown current
Overcurrent and overtemperature protection
Under Voltage Lockout (UVLO)
Product Advantages
High efficiency for power-sensitive applications
Flexible design suitable for a wide range of input sources
Compact design with integrated MOSFETs
Minimal external components needed due to D-CAP™ mode
Key Technical Parameters
Voltage - Input (Min): 1.5V
Voltage - Input (Max): 15V
Voltage - Output (Min/Fixed): 0.6V
Voltage - Output (Max): 5.5V
Current - Output: 20A
Frequency - Switching: 250kHz ~ 1MHz
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Adaptive on-time control architecture
Cycle-by-cycle current limit
Thermal shutdown protection
PGOOD indicator for power good status
Compatibility
Compatible with ceramic and low ESR output capacitors
Compatible with high density PCB layouts
Application Areas
Computing systems
Telecommunications equipment
Networking systems
Industrial and medical equipment
FPGAs, DSPs, and ASIC power supplies
Product Lifecycle
Active product status
Not currently listed as near discontinuation
Several Key Reasons to Choose This Product
Highly efficient for reduced cooling requirements and power loss
Flexible operating voltage range suits multiple applications
D-CAP™ mode allows for fast transient response
Eco-Mode™ operation for light-load efficiency improvement
Robust thermal management and protection features ensure reliability
Part of a well-established product family from Texas Instruments
TPS53353
TPS53321RGTTTexas Instruments