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TPS53316

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High-Efficiency, 5-A Step-Down Regulator with Integrated Switcher

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Data sheet

TPS53316

ACTIVE
Data sheet Order now

Product details

Iout (max) (A) 5 Vin (min) (V) 2.9 Vin (max) (V) 6 Type Converter Switching frequency (min) (kHz) 750 Switching frequency (max) (kHz) 2000 Features Enable, Light load efficiency, Output discharge, Power good, Pre-Bias Start-Up, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 0.6 Vout (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
Iout (max) (A) 5 Vin (min) (V) 2.9 Vin (max) (V) 6 Type Converter Switching frequency (min) (kHz) 750 Switching frequency (max) (kHz) 2000 Features Enable, Light load efficiency, Output discharge, Power good, Pre-Bias Start-Up, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 0.6 Vout (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
VQFN (RGT) 16 9 mm² 3 x 3
  • 96% Maximum Efficiency
  • Continuous 5-A Output Current Capability
  • Support all MLCC Output Capacitor
  • SmoothPWM™ Auto-Skip Eco-Mode™ for Light-Load Efficiency
  • Voltage Mode Control
  • Single Rail Input
  • Selectable Frequency
  • Selectable OCP Threshold
  • Selectable Soft-Start Time
  • 2.9-V to 6-V Input Voltage Range
  • Adjustable Output Voltage Ranging from 0.6 V up to 0.8 × VIN
  • Soft-Stop Output Discharge During Disable
  • Overcurrent, Overvoltage, and Overtemperature Protection
  • Open-Drain Power Good Indication
  • Internal Bootstrap Switch
  • Supports Prebias Start-Up Functionality
  • Small 3 mm × 3 mm, 16-Pin, QFN Package
  • Low RDS(on), 22-mΩ With 3.3-V Input and 18-mΩ With 5-V Input
  • 96% Maximum Efficiency
  • Continuous 5-A Output Current Capability
  • Support all MLCC Output Capacitor
  • SmoothPWM™ Auto-Skip Eco-Mode™ for Light-Load Efficiency
  • Voltage Mode Control
  • Single Rail Input
  • Selectable Frequency
  • Selectable OCP Threshold
  • Selectable Soft-Start Time
  • 2.9-V to 6-V Input Voltage Range
  • Adjustable Output Voltage Ranging from 0.6 V up to 0.8 × VIN
  • Soft-Stop Output Discharge During Disable
  • Overcurrent, Overvoltage, and Overtemperature Protection
  • Open-Drain Power Good Indication
  • Internal Bootstrap Switch
  • Supports Prebias Start-Up Functionality
  • Small 3 mm × 3 mm, 16-Pin, QFN Package
  • Low RDS(on), 22-mΩ With 3.3-V Input and 18-mΩ With 5-V Input

The TPS53316 device provides a fully integrated 3.3-V or 5-V input, synchronous buck converter with 16 total components, in 200 mm2 of PCB area. Due to low RDS(on) and TI proprietary SmoothPWM skip mode of operation, it enables 96% peak efficiency, and over 90% efficiency at load as light as 100 mA. It requires only two 22-µF ceramic output capacitors for a power-dense, 5-A solution.

TPS53316 features 750-kHz, 1.1-MHz, and 2-MHz switching frequency selections, prebias start-up, selectable internal softstart, output soft discharge, internal VBST switch, power good, EN/Input UVLO, overcurrent, overvoltage, undervoltage, and overtemperature protections and all ceramic output capacitor support. It supports input voltages from 2.9 V to 6 V, and no extra bias voltage is needed. The output voltage is adjustable from 0.6 V up to 0.8 × VIN.

TPS53316 is available in the 3 mm × 3 mm, 16-pin QFN package (Green RoHs compliant and Pb free) and is specified from –40°C to 85°C.

The TPS53316 device provides a fully integrated 3.3-V or 5-V input, synchronous buck converter with 16 total components, in 200 mm2 of PCB area. Due to low RDS(on) and TI proprietary SmoothPWM skip mode of operation, it enables 96% peak efficiency, and over 90% efficiency at load as light as 100 mA. It requires only two 22-µF ceramic output capacitors for a power-dense, 5-A solution.

TPS53316 features 750-kHz, 1.1-MHz, and 2-MHz switching frequency selections, prebias start-up, selectable internal softstart, output soft discharge, internal VBST switch, power good, EN/Input UVLO, overcurrent, overvoltage, undervoltage, and overtemperature protections and all ceramic output capacitor support. It supports input voltages from 2.9 V to 6 V, and no extra bias voltage is needed. The output voltage is adjustable from 0.6 V up to 0.8 × VIN.

TPS53316 is available in the 3 mm × 3 mm, 16-pin QFN package (Green RoHs compliant and Pb free) and is specified from –40°C to 85°C.
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Technical documentation

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Type Title Date
* Data sheet TPS53316 High-Efficiency, 5-A Step-Down Regulator With Integrated Switcher datasheet (Rev. A) PDF | HTML 30 Nov 2016
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Unified Ground Connection Recommendation on TPS53K- Integrated FET-Converter Dev 25 Jan 2017
EVM User's guide Using the TPS53316EVM-075 28 Sep 2011

Design & development

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

Evaluation board

TPS53316EVM-075 — Evaluation Module for TPS53316 High-Efficiency, 5-A Step-Down Regulator with Integrated Switcher

The TPS53316EVM-075 evaluation module (EVM) is a step-down regulator featuring TPS53316. TheTPS53316 is a fully integrated step-down regulator employing voltage mode control. The TPS53316EVM-075 is designed to use a 3.3-V or 5-V voltage rail to produce a regulated 1.5-V output at up to 5-A load (...)

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

TPS53316 TINA-TI Transient Reference Design

SLUM405.TSC (623 KB) - TINA-TI Reference Design
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Simulation model

TPS53316 TINA-TI Transient Spice Model

SLUM406.ZIP (57 KB) - TINA-TI Spice Model
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Simulation model

TPS53316 Unencrypted PSpice Transient Model Package (Rev. A)

SLUM251A.ZIP (50 KB) - PSpice Model
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Calculation tool

SLUC263 — Type III Compensation Calculation Tool

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC controllers (external FET)
TPS40007 — 2.25V-5.5V, 300 kHz, Synchronous Buck Controller, Source/ Sink, Prebias Operation TPS40009 — 2.25V-5.5V, 600 kHz, Synchronous Buck Controller, Source/ Sink, Prebias Operation TPS40021 — Enhanced Low Input (2.25V-5.5V) up to 1MHz Frequency, Sync. Buck Controller, source/sink TPS40040 — 2.25 to 5.5 V input, 300 kHz, synchronous buck controller with low pin count TPS40041 — 2.25 to 5.5 V input, 600 kHz, synchronous buck controller with low pin count TPS40055 — Wide Input (8V-40V) up to 1MHz Frequency Synchronous Buck Controller, source/sink TPS40057 — Wide Input (8V-40V) up to 1MHz Frequency Synchronous Buck Controller, source/sink with prebias TPS40075 — 4.5-V to 28-V, synchronous buck controller with voltage feed forward TPS40077 — 4.5-V to 28-V, synchronous buck controller with voltage feed forward in HTSSOP package TPS40101 — 4.5-V to 18-V, synchronous buck controller with advanced sequencing and output margining TPS40170 — 4.5 V to 60 V Wide-Input Synchronous PWM Buck Controller TPS40190 — 4.5-V to 15-V, 20-A synchronous buck controller TPS40192 — 4.5-V to 18-V, 20-A, 600-kHz synchronous buck controller with power good TPS40193 — 4.5-V to 18-V, 20-A, 300-kHz synchronous buck controller with power good TPS40195 — 4.5-V to 20-V, 20-A, synchronous buck controller with power good and synchronization TPS40200 — Wide Input Non-Synchronous Buck DC/DC Controller TPS40303 — 3-V to 20-V, 25-A, 300-kHz synchronous buck controller with FSS TPS40304 — 3-V to 20-V, 25-A, 600-kHz synchronous buck controller with FSS TPS40305 — 3-V to 20-V, 25-A, 1.2-MHz synchronous buck controller with FSS TPS40322 — Dual Output or Two-phase Synchronous Buck Controller TPS40400 — 3-V to 20-V, 30-A, synchronous buck controller with PMBus™, including Telemetry TPS40422 — Dual Output or Multiphase Synchronous Buck Controller with PMBus TPS5130 — 4.5-V to 28-V, triple synchronous buck controller with LDO controller
AC/DC & DC/DC converters (integrated FET)
TPS53311 — 2.9V to 6V Input, 3A Synchronous Step-Down Converter with Eco-Mode and Smooth PWM TPS53313 — 4.5-V to 16-V, 6-A synchronous buck converter with optimized light load efficiency TPS53316 — High-Efficiency, 5-A Step-Down Regulator with Integrated Switcher TPS56121 — 4.5-V to 14-V, 15-A synchronous SWIFT™ buck converter TPS56221 — 4.5-V to 14-V, 25-A synchronous SWIFT™ buck converter
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VQFN (RGT) 16 View options
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