LMR36502
- Functional Safety-Capable
- Designed for rugged industrial applications:
- Junction temperature range –40°C to +150°C
- Input transient protection up to 70 V
- Wide input voltage range: 3.0 V (falling threshold) to 65 V
- Minimized switch node ringing to reduce EMI
- Adjustable and fixed output 3.3-V and 5-V voltage options available
- Suited for scalable industrial power supplies:
- Minimized solution size and cost:
- Ultra-small, 2-mm × 2-mm HotRod™ package
- High efficiency across load range with low power dissipation:
- Greater than 80% peak efficiency at 1 MHz (3.3-V V OUT)
The LMR3650x is the industry smallest 65-V, 150-mA, 100-mA synchronous step-down DC/DC converter in 4-mm 2 HotRod package. This easy-to-use converter can handle input voltage transients up to 70 V, provide excellent EMI performance and supports fixed, 3.3 V, 5 V and other adjustable output voltages.
The LMR3650x uses the peak current mode control architecture with internal compensation to maintain stable operation with minimal output capacitance. The LMR3650x with the right resistor selection from the RT pin to ground can be externally programmed to any desired switching frequency of operation over a wide range from 200 kHz to 2.2 MHz. The precision EN/UVLO feature allows precise control of the device during the start-up and shutdown. The PGOOD flag, with built-in glitch filter and delayed release, offers a true indication of the system status, eliminating the requirement for an external voltage supervisor. The compact solution size and rich feature set of LMR3650x simplifies implementation for a wide range of industrial applications.
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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 | LMR3650x 3-V to 65-V, 100-mA and 150-mA Wide VIN Synchronous Buck Converter Optimized for Size and Light Load Efficiency datasheet (Rev. A) | PDF | HTML | 2023/5/25 | ||
| 白皮書 | 解決 Nano IQ 系統的性能挑戰 (Rev. A) | PDF | HTML | Download English Version (Rev.A) | PDF | HTML | 2024/3/25 | |
| 證書 | LMR36502EVM EU RoHS Declaration of Conformity (DoC) | 2023/3/15 | ||||
| 功能安全資訊 | LMR36502 and LMR36501 Functional Safety FIT Rate, FMD and Pin FMA | PDF | HTML | 2023/3/14 | |||
| 應用說明 | Step-Dwn (Buck) Convrtr Pwer Solutions for Programmable Logic Controller Systems (Rev. A) | PDF | HTML | 2021/7/26 | |||
| Application brief | Powering Drones With a Wide VIN DC-DC Converter (Rev. A) | 2019/2/5 | ||||
| 類比設計期刊 | Accurately measuring efficiency of ultralow-IQ devices | 2014/1/22 |
設計與開發
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LMR36502EVM — 適用於廣泛輸入電壓 65-V 150-mA 同步降壓轉換器的 LMR36502 評估模組
LMR36502EVM 評估模組 (EVM) 可協助設計人員評估 LMR36502 廣泛輸入降壓穩壓器的運作及性能。LMR36502 為一款簡單易用的同步降壓 DC/DC 轉換器，可從最高 65 V 的輸入電壓中驅動高達 150 mA 負載電流。LMR36502 在低負載下具有超低運作靜態電流和高效率。LMR36502 採用小型 2x2 mm HotRod™ 封裝，提供超小型、低 EMI 解決方案尺寸。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN-HR (RPE) | 9 | 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。