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Product Overview
The REG1118-2.85/2K5 is a low-dropout (LDO) voltage regulator from Texas Instruments, offering a fixed output voltage of 2.85V with a maximum output current of 800mA. Housed in a compact SOT-223-4 package, this device is designed for space-constrained applications requiring high efficiency and low noise. The REG1118 series features a dropout voltage of typically 1.1V at full load, making it suitable for battery-powered systems and post-regulation scenarios.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.85V (Fixed) |
| Output Current (Max) |
800mA |
| Dropout Voltage (Typ) |
1.1V @ 800mA |
| Input Voltage Range |
3.0V to 15V |
| Line Regulation |
0.05% / V |
| Load Regulation |
0.1% |
| Quiescent Current |
4.2mA (Typ) |
| PSRR |
60dB @ 1kHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-223-4 |
Key Features
- Fixed 2.85V output with ±2% accuracy
- Low dropout voltage: 1.1V typical at 800mA
- High output current capability: 800mA
- Wide input voltage range: 3.0V to 15V
- Excellent line and load regulation
- Built-in overcurrent and thermal protection
- Low quiescent current: 4.2mA typical
- Compact SOT-223-4 package for space-saving designs
Target Applications
- 5G base station power management modules
- Automotive dashboard displays and infotainment systems
- Industrial sensor nodes and data loggers
- Portable medical devices (e.g., glucose monitors)
- Networking equipment (routers, switches)
- Battery-powered IoT devices
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
REG1118-2.85/2K5. 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.
-
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
REG1118-2.85/2K5 是德州儀器(TI)推出的一款低壓差(LDO)穩壓器,提供固定的 2.85V 輸出電壓,最大輸出電流為 800mA。該器件採用緊湊的 SOT-223-4 封裝,適用於對空間有嚴格要求且需要高效率、低噪聲的應用。REG1118 系列在滿載時典型壓差為 1.1V,非常適合電池供電系統和後級穩壓場景。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.85V(固定) |
| 最大輸出電流 |
800mA |
| 典型壓差 |
1.1V @ 800mA |
| 輸入電壓範圍 |
3.0V 至 15V |
| 線性調整率 |
0.05% / V |
| 負載調整率 |
0.1% |
| 靜態電流 |
4.2mA(典型) |
| 電源抑制比 |
60dB @ 1kHz |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
SOT-223-4 |
核心特性
- 固定 2.85V 輸出,精度 ±2%
- 低壓差:典型 1.1V @ 800mA
- 高輸出電流能力:800mA
- 寬輸入電壓範圍:3.0V 至 15V
- 優異的線性和負載調整率
- 內置過流和過熱保護
- 低靜態電流:典型 4.2mA
- 緊湊的 SOT-223-4 封裝,節省空間
典型應用場景
- 5G 基站電源管理模塊
- 汽車儀表盤顯示和信息娛樂系統
- 工業傳感器節點和數據記錄儀
- 便攜式醫療設備(如血糖監測儀)
- 網絡設備(路由器、交換機)
- 電池供電的物聯網設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 REG1118-2.85/2K5 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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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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