The TPS543x is a high-output-current PWM converter that integrates a low-resistance, high-side N-channel MOSFET. Included on the substrate with the listed features are a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V; an internally set slow-start circuit to limit inrush currents; and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 15µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS543x feedback loop is internally compensated. The TPS5431 is intended to operate from power rails up to 23V. The TPS5430 regulates a wide variety of power sources including 24V bus.
The TPS543x device is available in a thermally enhanced, easy to use 8-pin SOIC PowerPAD integrated circuit package. TI provides evaluation modules and the Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS543x 3A, Wide Input Range, Step-Down Converter datasheet (Rev. K) | PDF | HTML | 18 Jan 2024 |
| User guide | TPS543x Step-Down Converter Evaluation Module User's Guide (Rev. A) | PDF | HTML | 11 Oct 2021 | |
| Application note | Using TPS5410/20/30/31/50 w/Aluminum/Ceramic Output Capacitors (Rev. C) | 21 Mar 2007 |
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The TPS5431EVM-173 evaluation module allows the designer to evaluate the TPS5431 SWIFT DC/DC converter and is designed with very few external components. The input voltage range of this module is 9.0 V to 21 V and the output voltage is pre-set to 5 V. The output voltage can be easily (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| HSOIC (DDA) | 8 | Ultra Librarian |
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