LP2953QML-SP
- Output Voltage Adjusts from 1.23V to 29V
- Ensured 250 mA Output Current
- Extremely Low Quiescent Current
- Low Dropout Voltage
- Extremely Tight Line and Load Regulation
- Very Low Temperature Coefficient
- Current and Thermal Limiting
- Reverse Battery Protection
- 50 mA (Typical) Output Pulldown Crowbar
- Auxiliary Comparator Included with CMOS/TTL Compatible Output Levels. Can be used for Fault Detection, Low Input Line Detection, etc.
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The LP2953A is a micropower voltage regulator with very low quiescent current (130 μA typical at 1 mA load) and very low dropout voltage (typ. 60 mV at light load and 470 mV at 250 mA load current). It is ideally suited for battery-powered systems. Furthermore, the quiescent current increases only slightly at dropout, which prolongs battery life.
The LP2953A retains all the desirable characteristics of the LP2951, but offers increased output current, additional features, and an improved shutdown function.
The internal crowbar pulls the output down quickly when the shutdown is activated.
The error flag goes low if the output voltage drops out of regulation.
Reverse battery protection is provided.
The internal voltage reference is made available for external use, providing a low-T.C. reference with very good line and load regulation.
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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 | LP2953QML Adjustable Micropower Low-Dropout Voltage Regulators datasheet (Rev. C) | 2013/4/22 | |||
| * | SMD | LP2953QML-SP SMD 5962-92336 | 2016/6/21 | |||
| 選擇指南 | TI Space Products (Rev. L) | 2026/3/27 | ||||
| 應用說明 | Hermetic Package Reflow Profiles, Termination Finishes, and Lead Trim and Form (Rev. A) | PDF | HTML | 2025/11/5 | |||
| Application brief | DLA Approved Optimizations for QML Products (Rev. C) | PDF | HTML | 2025/6/17 | |||
| 應用說明 | Heavy Ion Orbital Environment Single-Event Effects Estimations (Rev. B) | PDF | HTML | 2025/6/10 | |||
| 更多文件說明 | TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing (Rev. B) | 2025/2/20 | ||||
| 應用說明 | QML flow, its importance, and obtaining lot information (Rev. C) | 2023/8/30 | ||||
| 應用說明 | Single-Event Effects Confidence Interval Calculations (Rev. A) | PDF | HTML | 2022/10/19 | |||
| 應用說明 | DLA Standard Microcircuit Drawings (SMD) and JAN Part Numbers Primer | 2020/8/21 | ||||
| 電子書 | Radiation Handbook for Electronics (Rev. A) | 2019/5/21 | ||||
| 應用說明 | Use of an LDO as a Load Switch for Space Applications | 2018/8/1 |
設計與開發
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| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| CFP (NAC) | 16 | Ultra Librarian |
| DIESALE (Y) | — | Ultra Librarian |
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