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Product Overview
The LP5951MGX-2.8/NOPB is a low-dropout (LDO) voltage regulator from Texas Instruments, offering a fixed output voltage of 2.8V with a maximum output current of 150mA. Housed in a compact SC-70-5 package, this device is designed for space-constrained applications requiring high accuracy and low quiescent current. The LP5951 features a low dropout voltage of typically 120mV at 150mA load, making it suitable for battery-powered systems. It also includes thermal shutdown and current limit protection.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.8V (Fixed) |
| Output Current (Max) |
150mA |
| Dropout Voltage (Typ) |
120mV @ 150mA |
| Quiescent Current (Typ) |
25µA |
| Input Voltage Range |
2.2V to 5.5V |
| PSRR (1kHz) |
60dB |
| Output Noise (10Hz-100kHz) |
30µVrms |
| Operating Temperature |
-40°C to +125°C |
| Package |
SC-70-5 |
Key Features
- Fixed 2.8V output voltage with ±2% accuracy
- Low dropout voltage: 120mV typical at 150mA
- Ultra-low quiescent current: 25µA typical
- Wide input voltage range: 2.2V to 5.5V
- High PSRR: 60dB at 1kHz
- Low output noise: 30µVrms
- Thermal shutdown and current limit protection
- Stable with ceramic capacitors (1µF)
- Small SC-70-5 package for space-constrained designs
Target Applications
- 5G base station power management (e.g., supplying 2.8V to RF transceivers)
- Automotive dashboard displays (e.g., powering infotainment processors)
- Portable medical devices (e.g., glucose meters, pulse oximeters)
- Industrial sensor nodes (e.g., IoT wireless sensors)
- Battery-powered wearables (e.g., smartwatches, fitness trackers)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP5951MGX-2.8/NOPB. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
LP5951MGX-2.8/NOPB 是德州儀器 (TI) 推出的一款低壓差穩壓器 (LDO),提供固定的 2.8V 輸出電壓和最大 150mA 輸出電流。該器件採用緊湊的 SC-70-5 封裝,專為需要高精度和低靜態電流的空間受限應用而設計。LP5951 在 150mA 負載下典型壓差僅為 120mV,非常適合電池供電系統。它還包含熱關斷和電流限制保護功能。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.8V (固定) |
| 最大輸出電流 |
150mA |
| 典型壓差 |
120mV @ 150mA |
| 典型靜態電流 |
25µA |
| 輸入電壓範圍 |
2.2V 至 5.5V |
| 電源抑制比 (1kHz) |
60dB |
| 輸出噪聲 (10Hz-100kHz) |
30µVrms |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
SC-70-5 |
核心特性
- 固定 2.8V 輸出電壓,精度 ±2%
- 低壓差:150mA 負載下典型值 120mV
- 超低靜態電流:典型值 25µA
- 寬輸入電壓範圍:2.2V 至 5.5V
- 高 PSRR:1kHz 時 60dB
- 低輸出噪聲:30µVrms
- 熱關斷和電流限制保護
- 與陶瓷電容 (1µF) 穩定工作
- 小型 SC-70-5 封裝,適合空間受限設計
典型應用場景
- 5G 基站電源管理(例如為射頻收發器提供 2.8V)
- 汽車儀表板顯示(例如為信息娛樂處理器供電)
- 便攜式醫療設備(例如血糖儀、脈搏血氧儀)
- 工業傳感器節點(例如 IoT 無線傳感器)
- 電池供電的可穿戴設備(例如智能手錶、健身追蹤器)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP5951MGX-2.8/NOPB 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
-
全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
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Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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