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Product Overview
The LDL1117S50R from STMicroelectronics is a low dropout linear voltage regulator (LDO) designed for applications requiring a stable 5.0V output voltage. Housed in a compact SOT-223 package, it delivers up to 1.2A of output current with a typical dropout voltage of only 1.3V at full load. This device features high accuracy, low quiescent current, and built-in protection circuits, making it ideal for power-sensitive and space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
5.0V ± 2% |
| Output Current |
1.2A max |
| Dropout Voltage |
1.3V typ @ 1.2A |
| Quiescent Current |
5 mA typ |
| Input Voltage Range |
2.5V to 18V |
| PSRR |
60 dB @ 120 Hz |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-223 |
Key Features
- Fixed 5.0V output with ±2% accuracy
- High output current up to 1.2A
- Low dropout voltage: 1.3V typical
- Low quiescent current: 5 mA typical
- Wide input voltage range: 2.5V to 18V
- Internal current limit and thermal shutdown
- Stable with low ESR ceramic capacitors
- RoHS compliant
Target Applications
- 5G base station power management
- Automotive dashboard and infotainment systems
- Industrial control systems
- Telecommunication equipment
- Portable and battery-powered devices
- Post-regulation for DC-DC converters
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LDL1117S50R. 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
LDL1117S50R 是意法半導體(STMicroelectronics)推出的一款低壓差線性穩壓器(LDO),專為需要穩定 5.0V 輸出電壓的應用而設計。採用緊湊的 SOT-223 封裝,可提供高達 1.2A 的輸出電流,滿載時典型壓差電壓僅為 1.3V。該器件具有高精度、低靜態電流和內置保護電路,非常適合對功耗和空間敏感的設計。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
5.0V ± 2% |
| 輸出電流 |
1.2A 最大 |
| 壓差電壓 |
1.3V 典型值 @ 1.2A |
| 靜態電流 |
5 mA 典型值 |
| 輸入電壓範圍 |
2.5V 至 18V |
| 電源抑制比 |
60 dB @ 120 Hz |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
SOT-223 |
核心特性
- 固定 5.0V 輸出,精度 ±2%
- 高輸出電流,最高 1.2A
- 低壓差電壓:典型值 1.3V
- 低靜態電流:典型值 5 mA
- 寬輸入電壓範圍:2.5V 至 18V
- 內置電流限制和熱關斷保護
- 可與低 ESR 陶瓷電容穩定工作
- 符合 RoHS 標準
典型應用場景
- 5G 基站電源管理
- 汽車儀表盤和信息娛樂系統
- 工業控制系統
- 電信設備
- 便攜式和電池供電設備
- DC-DC 轉換器的後級穩壓
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LDL1117S50R 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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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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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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