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Product Overview
The LDK120M-R is a low-dropout voltage regulator from STMicroelectronics, designed for space-constrained applications. It delivers up to 200 mA output current with a typical dropout voltage of 200 mV at full load. The device features a very low quiescent current of 30 μA (typical) and operates over an input voltage range from 2.5 V to 6 V. The output voltage is fixed at 1.2 V with ±2% accuracy. The LDK120M-R is available in the SOT-23-5 package, making it ideal for portable and battery-powered devices.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
1.2 V (fixed) |
| Output Current |
200 mA |
| Dropout Voltage (typ) |
200 mV @ 200 mA |
| Quiescent Current (typ) |
30 μA |
| Input Voltage Range |
2.5 V to 6 V |
| Output Voltage Accuracy |
±2% |
| PSRR (1 kHz) |
55 dB |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-5 |
Key Features
- Ultra-low quiescent current: 30 μA typical
- Low dropout voltage: 200 mV at 200 mA
- High output voltage accuracy: ±2%
- Stable with ceramic capacitors (1 μF)
- Current limit and thermal protection
- Enable pin for power saving
- RoHS compliant
Target Applications
- 5G base station power management
- Automotive dashboard and infotainment systems
- Portable medical devices (e.g., glucose meters)
- IoT sensor nodes and wearables
- Battery-powered equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LDK120M-R. 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
LDK120M-R 是意法半導體推出的低壓差穩壓器,專為空間受限的應用設計。它可提供高達 200 mA 的輸出電流,在滿載時典型壓差為 200 mV。該器件具有極低的靜態電流(典型值 30 μA),輸入電壓範圍為 2.5 V 至 6 V。輸出電壓固定為 1.2 V,精度 ±2%。LDK120M-R 採用 SOT-23-5 封裝,非常適合便攜式和電池供電設備。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
1.2 V(固定) |
| 輸出電流 |
200 mA |
| 壓差電壓(典型值) |
200 mV @ 200 mA |
| 靜態電流(典型值) |
30 μA |
| 輸入電壓範圍 |
2.5 V 至 6 V |
| 輸出電壓精度 |
±2% |
| 電源抑制比(1 kHz) |
55 dB |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-5 |
核心特性
- 超低靜態電流:典型值 30 μA
- 低壓差:200 mV @ 200 mA
- 高輸出電壓精度:±2%
- 可使用陶瓷電容(1 μF)穩定工作
- 電流限制和熱保護
- 使能引腳用於節能
- 符合 RoHS 標準
典型應用場景
- 5G 基站電源管理
- 汽車儀表板和資訊娛樂系統
- 便攜式醫療設備(如血糖儀)
- 物聯網傳感器節點和可穿戴設備
- 電池供電設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LDK120M-R 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。
品質保證與合規
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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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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