Manufacturer Part Number
TPS54312PWP
Manufacturer
Texas Instruments
Introduction
The TPS54312PWP is a step-down DC/DC switching regulator with fixed output voltage and integrated synchronous rectifier.
Product Features and Performance
Step-down (Buck) voltage topology
Fixed output voltage design
Single output channel
Synchronous rectification for improved efficiency
Switching frequencies of 350kHz and 550kHz
Operates over a wide input voltage range from 3V to 6V
Provides 1.2V fixed output voltage
Capable of delivering up to 3A output current
High-efficiency power conversion
Surface mount package for PCB integration
Operates within a temperature range of -40°C to 85°C
Product Advantages
High integration reduces external component count
Synchronous rectifier offers higher efficiency compared to asynchronous designs
SWIFT™ series known for performance and reliability
Compact 20-PowerTSSOP package saves board space
Fixed frequency operation for predictable EMI behavior
Key Technical Parameters
Voltage Input (Min): 3V
Voltage Input (Max): 6V
Voltage Output (Min/Fixed): 1.2V
Current Output: 3A
Frequency Switching: 350kHz, 550kHz
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Robust thermal performance
Temperature range ensures operation in harsh environments
Compatibility
Compatible with applications requiring a 1.2V fixed output voltage from a 3V to 6V input
Application Areas
Communication equipment
Networking hardware
Point-of-load power supplies
Computing peripherals
Product Lifecycle
Obsolete status, suggesting consideration of newer alternatives
Check with manufacturer for potential replacement or upgrade options
Several Key Reasons to Choose This Product
Reliable Texas Instruments manufacturing quality
High-efficiency design suitable for energy-sensitive applications
Fixed output and integrated synchronous rectifier simplify design
Can withstand industrial temperature ranges for rugged applications
Small footprint suitable for compact electronic assemblies