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TPS54316

ACTIVE

3V to 6V Input, 3A Synchronous Step-Down SWIFT™ Converter with 3.3V Output 

Product details

Vin (min) (V) 4 Vin (max) (V) 6 Vout (min) (V) 3.3 Vout (max) (V) 3.3 Iout (max) (A) 3 Iq (typ) (mA) 6.2 Switching frequency (min) (kHz) 280 Switching frequency (max) (kHz) 700 Features Enable, Power good, Synchronous Rectification Operating temperature range (°C) -40 to 85 Rating Catalog Regulated outputs (#) 1 Control mode Voltage mode Duty cycle (max) (%) 90 Type Converter
Vin (min) (V) 4 Vin (max) (V) 6 Vout (min) (V) 3.3 Vout (max) (V) 3.3 Iout (max) (A) 3 Iq (typ) (mA) 6.2 Switching frequency (min) (kHz) 280 Switching frequency (max) (kHz) 700 Features Enable, Power good, Synchronous Rectification Operating temperature range (°C) -40 to 85 Rating Catalog Regulated outputs (#) 1 Control mode Voltage mode Duty cycle (max) (%) 90 Type Converter
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • 60-mΩ, MOSFET Switches for High Efficiency at 3-A
    Continuous Output Source and Sink Current
  • 0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed Output
    Voltage Devices With 1.0% 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
  • 60-mΩ, MOSFET Switches for High Efficiency at 3-A
    Continuous Output Source and Sink Current
  • 0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed Output
    Voltage Devices With 1.0% 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

As members of the SWIFT™ family of DC - DC regulators, the TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 low-input-voltage high-outputcurrent synchronous-buck PWM converters integrate 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 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a powergood 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 HTSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

As members of the SWIFT™ family of DC - DC regulators, the TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 low-input-voltage high-outputcurrent synchronous-buck PWM converters integrate 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 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a powergood 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 HTSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

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Technical documentation

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Type Title Date
* Data sheet TPS5431x 3-V to 6-V Input, 3-A Output Synchronous Buck PWM Switcher With Integrated FETs (SWIFT™) datasheet (Rev. C) PDF | HTML 15 Jan 2015
Application note Adjusting Vout of Internal Compensated Low Input Voltage SWIFT DC/DC Converters (Rev. A) 02 Nov 2006
Application note Designing with the TPS54311 Through TPS54316 Synchronous Buck Regulators 07 Dec 2001

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS54314EVM — 3-A, 3-6 Vin DC/DC Converter with 1.8V Fixed Output

Recommended tool:
TPS54318 is the recommended alternative to the TPS5431X devices. Please refer to the TPS54318EVM for new device evaluation.


The TPS54314EVM kit allows the designer to evaluate the TPS54314 synchronous buck DC/DC converter with integrated 3 A MOSFETs. The input voltage range is (...)

User guide: PDF
Not available on TI.com
Simulation model

TPS54316 Unencrypted PSpice Transient Model Package (Rev. A)

SLIM215A.ZIP (49 KB) - PSpice Model
Simulation model

TPS54316xx TINA-TI Transient Reference Design

SLVM179.TSC (1318 KB) - TINA-TI Reference Design
Simulation model

TPS54316xx TINA-TI Transient Spice Model

SLVM180.ZIP (36 KB) - TINA-TI Spice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Package Pins Download
HTSSOP (PWP) 20 View options

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