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Product Overview
The LP2988AIMX-3.3/NOPB is a high-performance low-dropout (LDO) voltage regulator from Texas Instruments, offering a fixed 3.3V output with a maximum output current of 200mA. Housed in an 8-SOIC package, this device is designed for noise-sensitive applications requiring low quiescent current and high accuracy. With a dropout voltage of typically 120mV at full load, it ensures efficient operation even with minimal input-to-output voltage differential. The LP2988AIMX-3.3/NOPB features a shutdown mode that reduces quiescent current to less than 1µA, making it ideal for battery-powered systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.3V (Fixed) |
| Output Current |
200mA (Max) |
| Dropout Voltage |
120mV (Typical at 200mA) |
| Quiescent Current |
120µA (Typical) |
| Shutdown Current |
<1µA |
| Line Regulation |
0.014%/V (Typical) |
| Load Regulation |
0.1% (Typical) |
| PSRR |
65dB at 1kHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
8-SOIC |
Key Features
- Low dropout voltage: 120mV at 200mA
- Low quiescent current: 120µA (typical)
- Shutdown mode with <1µA quiescent current
- High output voltage accuracy: ±1.5%
- Excellent line and load regulation
- High PSRR: 65dB at 1kHz
- Thermal shutdown and overcurrent protection
- Stable with low-ESR output capacitors (1µF ceramic)
Target Applications
- 5G base station power management (e.g., powering RF transceivers)
- Automotive dashboard displays and infotainment systems
- Industrial sensor modules (e.g., pressure transmitters)
- Battery-powered IoT devices (e.g., smart meters)
- Medical equipment (e.g., portable patient monitors)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP2988AIMX-3.3/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
LP2988AIMX-3.3/NOPB 是德州儀器(TI)推出的一款高性能低壓差(LDO)穩壓器,提供固定的3.3V輸出,最大輸出電流為200mA。採用8-SOIC封裝,專為需要低靜態電流和高精度的噪聲敏感型應用而設計。在滿載條件下,典型壓差電壓僅為120mV,確保即使在輸入輸出電壓差極小的情況下也能高效運行。該器件具有關斷模式,可將靜態電流降至1µA以下,非常適合電池供電系統。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.3V(固定) |
| 輸出電流 |
200mA(最大) |
| 壓差電壓 |
120mV(典型值,200mA時) |
| 靜態電流 |
120µA(典型值) |
| 關斷電流 |
<1µA |
| 線性調整率 |
0.014%/V(典型值) |
| 負載調整率 |
0.1%(典型值) |
| 電源抑制比 |
65dB(1kHz時) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
8-SOIC |
核心特性
- 低壓差電壓:200mA時典型值120mV
- 低靜態電流:典型值120µA
- 關斷模式靜態電流低於1µA
- 高輸出電壓精度:±1.5%
- 優異的線性和負載調整率
- 高電源抑制比:1kHz時65dB
- 熱關斷和過流保護
- 與低ESR輸出電容(1µF陶瓷電容)穩定工作
典型應用場景
- 5G基站電源管理(例如為射頻收發器供電)
- 汽車儀表盤顯示和信息娛樂系統
- 工業傳感器模塊(例如壓力變送器)
- 電池供電的物聯網設備(例如智能電錶)
- 醫療設備(例如便攜式病人監護儀)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP2988AIMX-3.3/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:
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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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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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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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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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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。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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