LM4431
- Small Package: SOT-23
- No Output Capacitor Required
- Tolerates Capacitive Loads
- Fixed Reverse Breakdown Voltage of 2.50V
Key Specifications
- Output Voltage Tolerance: 25°C: ±2.0% (Max)
- Low Output Noise (10 Hz to 10 kHz): 35 μVrms (Typ)
- Wide Operating Current Range: 100 μA to 15 mA
- Commercial Temperature Range: 0 to +70 °C
- Low Temperature Coefficient: 30 ppm/°C (Typ)
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Ideal for space critical applications, the LM4431 voltage reference is available in the sub-miniature (3 mm x 1.3 mm) SOT-23 surface-mount package. The LM4431's advanced design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load, thus making the LM4431 easy to use. The operating current range is 100 μA to 15 mA.
The LM4431 utilizes fuse and zener-zap reverse breakdown voltage trim during wafer sort to ensure that the parts have an accuracy of better than ±2.0% at 25°C. Bandgap reference temperature drift curvature correction and low dynamic impedance ensure stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents.
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 | LM4431 Micropower Shunt Voltage Reference datasheet (Rev. C) | 2013/4/8 | |||
| 電子書 | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | 2019/6/28 |
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)。
SHUNT_VOLTAGE_REFERENCE_RESISTOR_CALCULATOR — Shunt Voltage Reference External Resistor Quick Start Calculator
此外部電阻快速入門計算機工具可讓您輕鬆計算相對電壓參考、電源供應和負載電流限制的有效外部電阻值。透過這些輸入，您可以立即查看計算結果，並使用顏色編碼指示來了解計算出的輸出是有效或無效值。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOT-23 (DBZ) | 3 | Ultra Librarian |