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Product Overview
The REG102NA-2.85/3K is a low-dropout (LDO) voltage regulator from Texas Instruments, offering a fixed output voltage of 2.85V with a maximum output current of 250mA. Housed in a compact SOT-23-5 package, this device is designed for space-constrained applications requiring low noise and high accuracy. The REG102 series features low quiescent current, fast transient response, and excellent line and load regulation, making it ideal for powering sensitive analog and digital circuits.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.85V (Fixed) |
| Output Current (Max) |
250mA |
| Dropout Voltage (Typ) |
200mV @ 250mA |
| Quiescent Current (Typ) |
500µA |
| Input Voltage Range |
2.7V to 5.5V |
| Output Noise (10Hz-100kHz) |
30µVrms |
| PSRR @ 1kHz |
65dB |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-5 |
Key Features
- Low dropout voltage: 200mV typical at 250mA load
- Low quiescent current: 500µA typical
- High accuracy: ±2% output voltage tolerance
- Low output noise: 30µVrms
- Fast transient response
- Thermal shutdown and overcurrent protection
- Stable with ceramic output capacitors (1µF min)
Target Applications
- 5G base station power management (e.g., powering RF transceivers)
- Automotive dashboard displays and infotainment systems
- Portable medical devices (e.g., glucose meters, pulse oximeters)
- Industrial sensor modules (e.g., pressure transmitters)
- Battery-powered IoT devices (e.g., smart locks, wearables)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
REG102NA-2.85/3K. Our core advantages include:
-
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.
-
100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
-
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
REG102NA-2.85/3K 是德州儀器(TI)推出的一款低壓差線性穩壓器(LDO),提供固定的 2.85V 輸出電壓,最大輸出電流為 250mA。該器件採用緊湊的 SOT-23-5 封裝,專為空間受限的應用而設計,具有低噪聲和高精度特性。REG102 系列具有低靜態電流、快速瞬態響應以及優異的線性和負載調整率,非常適合為敏感的模擬和數字電路供電。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.85V(固定) |
| 最大輸出電流 |
250mA |
| 典型壓差 |
200mV @ 250mA |
| 典型靜態電流 |
500µA |
| 輸入電壓範圍 |
2.7V 至 5.5V |
| 輸出噪聲(10Hz-100kHz) |
30µVrms |
| 電源抑制比 @ 1kHz |
65dB |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-5 |
核心特性
- 低壓差:250mA 負載時典型值 200mV
- 低靜態電流:典型值 500µA
- 高精度:輸出電壓容差 ±2%
- 低輸出噪聲:30µVrms
- 快速瞬態響應
- 熱關斷和過流保護
- 可使用陶瓷輸出電容器(最小 1µF)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)
- 汽車儀表板顯示和信息娛樂系統
- 便攜式醫療設備(例如血糖儀、脈搏血氧儀)
- 工業傳感器模塊(例如壓力變送器)
- 電池供電的物聯網設備(例如智能鎖、可穿戴設備)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 REG102NA-2.85/3K 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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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。
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