TPS54233
- 3.5 V to 28 V Input Voltage Range
- Adjustable Output Voltage Down to 0.8 V
- Integrated 80 mΩ High Side MOSFET Supports
up to 2A Continuous Output Current - High Efficiency at Light Loads with a Pulse
Skipping Eco-mode™ - Fixed 300 kHz Switching Frequency
- Typical 1 µA Shutdown Quiescent Current
- Adjustable Slow Start Limits Inrush Currents
- Programmable UVLO Threshold
- Overvoltage Transient Protection
- Cycle by Cycle Current Limit, Frequency Fold
Back and Thermal Shutdown Protection - Available in Easy-to-Use SOIC8 Package
- Supported by WEBENCH® Software Tool
(www.TI.com/WEBENCH) - APPLICATIONS
- Consumer Applications such as Set-Top Boxes,
CPE Equipment, LCD Displays, Peripherals, and
Battery Chargers - Industrial and Car Audio Power Supplies
- 5V, 12V and 24V Distributed Power Systems
- Consumer Applications such as Set-Top Boxes,
WEBENCH Is a trademark of Texas Instruments
All other trademarks are the property of their respective owners
The TPS54233 is a 28 V, 2 A non-synchronous buck converter that integrates a low RDS(on) high side MOSFET. To increase efficiency at light loads, a pulse skipping Eco-mode™ feature is automatically activated. Furthermore, the 1 µA shutdown supply current allows the device to be used in battery powered applications. Current mode control with internal slope compensation simplifies the external compensation calculations and reduces component count while allowing the use of ceramic output capacitors. A resistor divider programs the Hysteresis of the input under-voltage lockout. An overvoltage transient protection circuit limits voltage overshoots during startup and transient conditions. A cycle by cycle current limit scheme, frequency fold back and thermal shutdown protect the device and the load in the event of an overload condition. The TPS54233 is available in an 8-pin SOIC package that has been internally optimized to improve thermal performance.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | TPS54233 2A, 28V Input, Step Down DC/DC Converter With Eco-mode™ datasheet (Rev. C) | PDF | HTML | 2015/1/30 | ||
| 選擇指南 | Power Management Guide 2018 (Rev. R) | 2018/6/25 | ||||
| 應用說明 | Understanding Eco-mode(TM) Operation | 2016/12/5 | ||||
| 應用說明 | Create an Inverting Power Supply from a Step-Down Regulator (Rev. B) | 2012/10/26 | ||||
| 應用說明 | Designing Type III Compensation for Current Mode Step-Down Converters (Rev. A) | 2010/9/15 |
設計與開發
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TPS54233EVM-373 — 具有 Eco-Mode 模式且適用於 TPS54233 降壓轉換器的評估模組
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 (...)
SWIFTPOSNEG-CALC — TPS54160 Pos/Neg Calculation Utility Download
The SWIFTPosNeg-CALC Excel sheet is a complementary worksheet to the SLVA369 application note.
This worksheet is used to calculate the external components needed to create a dual output (i.e. positive and negative) power supply using a step-down switching regulator and catalog off the shelf coupled (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。