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TPS54560B

ACTIVE

4.5-V to 60-V input, 5-A, step-down DC-DC converter with Eco-mode™

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Same functionality with different pin-out to the compared device
LM70660 ACTIVE High-density, 4.5V to 65V input, 6A low-EMI synchronous DC/DC step-down converter Higher efficiency, lower IQ and improved EMI mitigation features
LM76005 ACTIVE 3.5-V to 60-V, 5-A synchronous step-down voltage converter Smaller solution size, higher efficiency and lower EMI.

Product details

Rating Catalog Topology Buck Iout (max) (A) 5 Vin (max) (V) 60 Vin (min) (V) 4.5 Vout (max) (V) 58.8 Vout (min) (V) 0.8 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Wettable flanks package Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000146 Duty cycle (max) (%) 98
Rating Catalog Topology Buck Iout (max) (A) 5 Vin (max) (V) 60 Vin (min) (V) 4.5 Vout (max) (V) 58.8 Vout (min) (V) 0.8 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Wettable flanks package Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000146 Duty cycle (max) (%) 98
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • High efficiency at light loads with pulse skipping Eco-mode™
  • 92-mΩ high-side MOSFET
  • 146-µA operating quiescent current and
    2-µA shutdown current
  • 100-kHz to 2.5-MHz Fixed switching frequency
  • Synchronizes to external clock
  • Low dropout at light loads with integrated BOOT recharge FET
  • Adjustable UVLO and hysteresis
  • 0.8 V 1% Internal voltage reference
  • 8-Pin HSOIC with PowerPAD™ package
  • –40°C to 150°C TJ operating range
  • Create a custom design using the TPS54560B with the WEBENCH® Power Designer
  • High efficiency at light loads with pulse skipping Eco-mode™
  • 92-mΩ high-side MOSFET
  • 146-µA operating quiescent current and
    2-µA shutdown current
  • 100-kHz to 2.5-MHz Fixed switching frequency
  • Synchronizes to external clock
  • Low dropout at light loads with integrated BOOT recharge FET
  • Adjustable UVLO and hysteresis
  • 0.8 V 1% Internal voltage reference
  • 8-Pin HSOIC with PowerPAD™ package
  • –40°C to 150°C TJ operating range
  • Create a custom design using the TPS54560B with the WEBENCH® Power Designer

The TPS54560B is a 60-V, 5-A step-down regulator with an integrated high side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces no-load-supply current to 146 µA. Shutdown supply current is reduced to 2 µA when the EN (enable) pin is pulled low.

Undervoltage lockout is internally set at 4.3 V but can be increased using the EN pin. Output voltage start-up ramp is internally controlled to provide a controlled start-up and eliminate overshoot.

A wide switching frequency range allows either efficiency or external component size to be optimized. Output current is limited cycle-by-cycle. Frequency foldback and thermal shutdown protects internal and external components during an overload condition.

The TPS54560B is available in an 8-pin thermally enhanced HSOIC PowerPAD package.

The TPS54560B is a 60-V, 5-A step-down regulator with an integrated high side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces no-load-supply current to 146 µA. Shutdown supply current is reduced to 2 µA when the EN (enable) pin is pulled low.

Undervoltage lockout is internally set at 4.3 V but can be increased using the EN pin. Output voltage start-up ramp is internally controlled to provide a controlled start-up and eliminate overshoot.

A wide switching frequency range allows either efficiency or external component size to be optimized. Output current is limited cycle-by-cycle. Frequency foldback and thermal shutdown protects internal and external components during an overload condition.

The TPS54560B is available in an 8-pin thermally enhanced HSOIC PowerPAD package.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet TPS54560B 4.5-V to 60-V Input, 5-A step-down dc/dc converter with Eco-mode™ datasheet PDF | HTML 24 Jan 2019
Application note Controller to Converter – Design Considerations for 24V and 48V Systems PDF | HTML 02 Oct 2024
Application note Working with Inverting Buck-Boost Converters (Rev. B) PDF | HTML 18 Oct 2022
Application note Step-Dwn (Buck) Convrtr Pwer Solutions for Programmable Logic Controller Systems (Rev. A) PDF | HTML 26 Jul 2021
Application note NRND & Differences TPS54340/360/540/560 and TPS54340B/360B/540B/560B 05 Apr 2019
Application note Output Ripple Voltage for Buck Switching Regulator (Rev. A) 13 Oct 2014
Analog Design Journal Accurately measuring efficiency of ultralow-IQ devices 22 Jan 2014
Application note AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A) 23 Apr 2013
Application note AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A) 23 Apr 2013

Design & development

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

Evaluation board

TPS54560EVM-515 — TPS54560 Step-Down DC-DC Converter Evaluation Module

The Texas Instruments TPS54560EVM-515 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS54560 Step-Down DC/DC Converter. The EVM operates from a 7V to 60V input (12V nominal) and provides a 5.0V output at 5A.
User guide: PDF
Not available on TI.com
Simulation model

TPS54560 PSpice Average Model

SLVM941.ZIP (63 KB) - PSpice Model
Simulation model

TPS54560 PSpice Transient Model (Rev. A)

SLVM811A.ZIP (113 KB) - PSpice Model
Simulation model

TPS54560 TINA-TI Average Reference Design

SLVMAY4.TSC (64 KB) - TINA-TI Reference Design
Simulation model

TPS54560 TINA-TI Average Spice Model

SLVMAY3.ZIP (7 KB) - TINA-TI Spice Model
Simulation model

TPS54560 TINA-TI Transient Reference Design (Rev. A)

SLVM969A.TSC (903 KB) - TINA-TI Reference Design
Simulation model

TPS54560 TINA-TI Transient Spice Model

SLVM970.ZIP (50 KB) - TINA-TI Spice Model
Simulation model

TPS54560 Unencrypted PSpice Average Model

SLVMCU2.ZIP (1 KB) - PSpice Model
Simulation model

TPS54560 Unencrypted PSpice Transient Model

SLVMCU1.ZIP (5 KB) - PSpice Model
Calculation tool

SLVC452 TPS54360 and TPS54361 Family Design Excel Tool

Supported products & hardware

Supported products & hardware

Calculation tool

SWIFTINV-CALC SWIFT™ Converter Inverting Buck/Boost Calculator

The SWIFTINV-CALC Excel sheet is a complementary worksheet to the SLVA317 application note. The worksheet is used to calculate the external components needed to create a negative output voltage from a positive input voltage. The tool features several families of wide input voltage, current-mode (...)

Supported products & hardware

Supported products & hardware

Reference designs

PMP22343 — +/-40-V inverting buck-boost with auxiliary output reference design

This reference design uses the TPS54560B in an inverting buck-boost topology to generate a -40-V output from a +5-V input. An auxiliary winding generates a +40-V output with reference to the same ground. For applications needing a positive and negative voltage, the buck topology provides a (...)
Test report: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
HSOIC (DDA) 8 Ultra Librarian

Ordering & quality

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Information included:
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Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

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