LP2992
- V IN range (new chip): 2.5 V to 16 V
- V OUT range (new chip):
- 1.2 V to 5.0 V (fixed, 100-mV steps)
- V OUT accuracy:
- ±1% for A-grade legacy chip
- ±1.5% for standard-grade legacy chip
- ±0.5% for new chip only
- ±1% output accuracy over load, and temperature for new chip
- Output current: Up to 250 mA
- Low I Q (new chip): 69 µA at I LOAD = 0 mA
- Low I Q (new chip): 875 µA at I LOAD = 250 mA
- Shutdown current:
- 0.01 µA (typ) for legacy chip
- 1.12 µA (typ) for new chip
- Low noise: 30 µV RMS with 10-nF bypass capacitor
- Output current limiting and thermal protection
- Stable with 2.2-µF ceramic capacitors
- High PSRR: 70 dB at 1 kHz, 40 dB at 1 MHz
- Operating junction temperature: –40°C to 125°C
- Package: 5-pin SOT-23 (DBV)
The LP2992 is a fixed-output, wide-input, low-noise, low-dropout voltage regulator supporting an input voltage range from 2.5 V to 16 V and up to 250 mA of load current. The LP2992 supports an output range of 1.2 V to 5.0 V (for new chip).
Additionally, the LP2992 (new chip) has a 1% output accuracy across load, and temperature that can meet the needs of low-voltage microcontrollers (MCUs) and processors.
Low output noise of 30 µV RMS (with 10-nF bypass capacitors) and wide bandwidth PSRR performance of greater than 70 dB at 1 kHz and 40 dB at 1 MHz help attenuate the switching frequency of an upstream DC/DC converter and minimize post regulator filtering.
The internal soft-start time and current limit protection reduce inrush current during start up, thus minimizing input capacitance. Standard protection features, such as overcurrent and overtemperature protection, are included.
The LP2992 is available in a 5-pin 2.9-mm × 2.8-mm SOT-23 (DBV) package.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | LP2992 Micropower 250-mA Low-Noise Ultra-Low-Dropout Regulator in SOT-23 and WSON Packages Designed for Use With Very Low-ESR Output Capacitors datasheet (Rev. K) | PDF | HTML | 2023年 12月 5日 |
| White paper | Parallel LDO Architecture Design Using Ballast Resistors | PDF | HTML | 2022年 12月 14日 | |
| White paper | Comprehensive Analysis and Universal Equations for Parallel LDO's Using Ballast | PDF | HTML | 2022年 12月 13日 | |
| Selection guide | Low Dropout Regulators Quick Reference Guide (Rev. P) | 2018年 3月 21日 | ||
| Application note | AN-1028 Maximum Power Enhancement Techniques for Power Packages (Rev. B) | 2013年 5月 6日 |
設計與開發
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| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOT-23 (DBV) | 5 | Ultra Librarian |
| WSON (NGD) | 6 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點
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。