TPS54315MPWPREP

The TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 low-input-voltage high-output current synchronous-buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that provides high performance under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3V; an internally and externally set slow-start circuit to limit in-rush currents; and a power good output useful for processor/logic reset, fault signaling, and supply sequencing. The TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 devices are available in a thermally enhanced 20-pin TSSOP (PWP) PowerPAD package, which eliminates bulky heatsinks.

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
• Automotive Telematics

Key features

• Controlled Baseline – One Assembly/Test Site, One Fabrication Site
• Extended Temperature Performance of -55°C to 125°C
• Enhanced Diminishing Manufacturing Sources (DMS) Support
• Enhanced Product-Change Notification
• Qualification Pedigree
• 60-mΩ MOSFET Switches for High Efficiency at 3-A Continuous Output Source or Sink Current
• 0.9 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V Fixed Output Voltage Device With 1% Initial Accuracy
• 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