現在提供此產品的更新版本
功能相同,但針腳輸出與所比較的裝置不同。
LMZ20501
- Integrated inductor
- Miniature 3.5-mm × 3.5-mm × 1.75-mm package
- 1-A maximum load current
- Input voltage range of 2.7 V to 5.5 V
- Adjustable output voltage range of 0.8 V to 3.6 V
- ± 1% feedback tolerance over temperature
- 2.4-µA (maximum) quiescent current in shutdown
- 3-MHz fixed PWM switching frequency
- –40°C to 125°C junction temperature range
- Power-good flag function
- Pin-selectable switching modes
- Internal compensation and soft start
- Current limit, thermal shutdown, and UVLO protection
- Create a custom design using the LMZ20501 with WEBENCH Power Designer
The LMZ20501 nano module regulator is an easy-to-use synchronous step-down DC/DC converter capable of driving up to 1 A of load from an input of up to 5.5 V, with exceptional efficiency and output accuracy in a very small solution size. The innovative package contains the regulator and inductor in a small 3.5 mm × 3.5 mm × 1.75 mm volume, thus saving board space and eliminating the time and expense of inductor selection. The LMZ20501 requires only five external components and has a pin-out designed for simple, optimum PCB layout. The device provides for an easy to use complete design with a minimum number of external components and the TI WEBENCH design tool. TIs WEBENCH tool includes features such as external component calculation, electrical simulation, and WebTherm. For soldering information, see SNOA401.
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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 | LMZ20501 1-A Nano Module datasheet (Rev. E) | PDF | HTML | 2021/9/1 | ||
| 應用說明 | Soldering Considerations for Power Modules (Rev. C) | PDF | HTML | 2024/3/14 | |||
| 選擇指南 | Innovative DC/DC Power Modules Selection Guide (Rev. D) | 2021/10/14 | ||||
| 白皮書 | Benefits and trade-offs of various power-module package options | 2017/8/2 | ||||
| 技術文章 | When to select an integrated inductor DC/DC module over a linear regulator | PDF | HTML | 2016/5/16 | |||
| 應用說明 | AN-2169 LMZ10501 and LMZ10500 SIMPLE SWITCHER Nano Module (Rev. A) | 2013/4/23 | ||||
| 應用說明 | AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A) | 2013/4/23 | ||||
| 應用說明 | Understanding and Applying Current-Mode Control Theory | 2007/8/19 | ||||
| 更多文件說明 | SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations | 2005/7/12 | ||||
| 應用說明 | AN-643 EMI/RFI Board Design (Rev. B) | 2004/5/3 |
設計與開發
如需其他條款或必要資源,請按一下下方的任何標題以檢視詳細頁面 (如有)。
LMZ20501EVM — LMZ20501 1A SIMPLE SWITCHER® Nano 模組評估板
LMZ20501EVM 評估板能以優異的電源轉換效率、輸出電壓準確度、線路和負載調整及負載暫態響應來驅動高達 1A 負載。 此評估板配置為在 2.375V 至 5.5V 輸入電壓下,根據電阻器分壓器 RFBT 與 RFBB,提供 1.8V 的輸出電壓。 此評估板配備雙面六針腳連接器,並具備轉臺端子,便於連接和輸入電源、接地和負載。 此評估板具備以下特點: 提供用於 EN、模式和頻率響應分析的三針腳跳線;當連接至電源軌時,可進行電源良好狀態監控;可在輸出電容器前,使用跨多層導孔的電線迴路,進行電感器電流感測;針對模式接腳提供跳線選項,以便讓零件在輕負載下以 PFM 或 PWM (...)
TIDA-010011 — 用於保護繼電器處理器模組的高效電源供應架構參考設計
TIDA-010065 — 基於高效、低排放、隔離式 DC/DC 轉換器的類比輸入模組參考設計
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| USIP (SIL) | 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。