Calculation tool
Data sheet
TPS54061
- Integrated High-Side and Low-Side MOSFET
- Diode Emulation for Improved Light Load
Efficiency - Peak Current Mode Control
- 90-µA Operating Quiescent Current
- 1.4-µA Shutdown Supply Current
- 50-kHz to 1100-kHz Adjustable Switching
Frequency - Synchronizes to External Clock
- Internal Slow-Start
- 0.8 V ±1% Voltage Reference
- Stable With Ceramic Output Capacitors or Low-
Cost Aluminum Electrolytic - Cycle-by-Cycle Current Limit, Thermal, OVP and
Frequency Foldback Protection - VSON-8 Package, 3 mm × 3 mm With Thermal
Pad - –40°C to 150°C Operating Junction Temperature
The TPS54061 device is a 60-V, 200-mA, synchronous step-down DC-DC converter with integrated high-side and low-side MOSFETs. Current mode control provides simple external compensation and flexible component selection. The non-switching supply current is 90 µA. Using the enable pin, shutdown supply current is reduced to 1.4 µA.
To increase light load efficiency the low-side MOSFET emulates a diode when the inductor current reaches zero.
Under voltage lockout is internally set at 4.5 V, but can be increased using two resistors on the enable pin. The output voltage startup ramp is controlled by the internal slow-start time.
The adjustable switching frequency range allows efficiency and external component size to be optimized. Frequency foldback and thermal shutdown protects the part during an overload condition.
The TPS54061 enables small designs by integrating the MOSFETs, boot recharge diode, and minimizing the IC footprint with a small 3.00 mm × 3.00 mm thermally enhanced VSON package.
The TPS54061 is supported in the WEBENCH™ Designer at www.ti.com.
Technical documentation
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View all 6 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS54061 Wide Input 60-V, 200-mA Synchronous Step-Down DC-DC Converter With Low IQ datasheet (Rev. E) | PDF | HTML | 04 Nov 2015 |
| Selection guide | Buck Converter Quick Reference Guide (Rev. B) | 08 Apr 2021 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| Analog Design Journal | Linear versus switching regulators in industrial applications with a 24-V bus | 25 Jul 2013 | ||
| Application note | Using the TPS54061 to Create an Inverting Power Supply | 17 Jul 2012 | ||
| EVM User's guide | Evaluation Module for TPS54061 Synchronous Step-Down SWIFT Converter | 12 Apr 2012 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
TPS54061EVM-142 — TPS54061 Evaluation Module
The Texas Instruments TPS54061EVM-142 evaluation module (EVM) helps designers evaluate the performance of the TPS54061 Synchronous Step-Down SWIFT™ Converter. The EVM operates from an 8V to 60V input (24V nominal) and provides a 3.3V output at 200mA.
User guide: PDF
Calculation tool
SLVC439 — Synchronous Inverting Buck Boost Design Calculator
Supported products & hardware
Products
AC/DC & DC/DC converters (integrated FET)
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VSON (DRB) | 8 | Ultra Librarian |
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