TI TPS54312PWP Switching Voltage Regulator 3-6V In/1.2V 3A Out HTSSOP-20

The TPS543x is a high-output-current PWM converter that integrates a low-resistance, high-side N-channel MOSFET. Included on the substrate with the listed features are a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions; an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 5.5 V; an internally set slow-start circuit to limit inrush currents; and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18 µA typically. Other features include an active-high enable, over-current limiting, over-voltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS543x feedback loop is internally compensated. The TPS5431 is intended to operate from power rails up to 23 V. The TPS5430 regulates a wide variety of power sources including 24 V bus.  The TPS543x device is available in a thermally enhanced, easy to use 8-pin SOIC PowerPAD™ package. TI provides evaluation modules and the Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

SPECIFICATIONS
  • Manufacturer: Texas Instruments
  • Part Number: TPS54312PWP / TPS54312PWPG4 / TPS54312PWPR / TPS54312PWPRG4
  • Product Category: Switching Voltage Regulators         
  • Mounting Style: SMD/SMT    
  • Package / Case: HTSSOP-20    
  • Topology: Buck    
  • Output Voltage: 1.2 V    
  • Output Current: 3 A    
  • Number of Outputs: 1 Output    
  • Input Voltage MAX: 6 V    
  • Input Voltage MIN: 3 V    
  • Switching Frequency: 700 kHz    
  • Minimum Operating Temperature: - 40 C    
  • Maximum Operating Temperature: + 85 C    
  • Series: TPS54312         
  • Height: 1.15 mm    
  • Input Voltage: 3 V to 6 V    
  • Length: 6.5 mm    
  • Product: Voltage Regulators    
  • Type: DC/DC Converter    
  • Width: 4.4 mm        
  • Load Regulation: 0.21 % / A    
  • Moisture Sensitive: Yes    
  • Operating Supply Current: 6.2 mA        
  • Subcategory: PMIC - Power Management ICs    
  • Tradename: SWIFT   
FEATURES
  • 60-mΩ, MOSFET Switches for High Efficiency at 3-A Continuous Output Source and Sink Current
  • Internally Compensated for Low Parts Count
  • Fast Transient Response
  • Wide PWM Frequency − Fixed 350 kHz, 550 kHz or Adjustable 280 kHz to 700 kHz
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Integrated Solution Reduces Board Area and Total Cost
APPLICATIONS
  • Low-Voltage, High-Density Systems With Power Distributed at 5 V or 3.3 V
  • Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors
  • Broadband, Networking and Optical Communications Infrastructure
  • Portable Computing/Notebook PCs

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