Calculation tool
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TPS54560B
- 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.
Technical documentation
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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
Simulation model
TPS54560 TINA-TI Average Reference Design
SLVMAY4.TSC (64 KB) - TINA-TI Reference Design
Simulation model
TPS54560 TINA-TI Transient Reference Design (Rev. A)
SLVM969A.TSC (903 KB) - TINA-TI Reference Design
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
Products
AC/DC & DC/DC converters (integrated FET)
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 (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| HSOIC (DDA) | 8 | Ultra Librarian |
Ordering & quality
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Support & training
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