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Product Overview
The LDK130M29R from STMicroelectronics is a low-dropout (LDO) linear voltage regulator designed for space-constrained applications. It delivers a fixed output voltage of 2.9V with a maximum output current of 300mA. The device is housed in a compact SOT-23-5 package, making it ideal for portable and battery-powered electronics. With a low dropout voltage of typically 200mV at full load and a quiescent current of only 30µA, it offers excellent efficiency for low-power systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.9V (fixed) |
| Output Current |
300mA max |
| Dropout Voltage |
200mV typ @ 300mA |
| Quiescent Current |
30µA typ |
| Input Voltage Range |
2.5V to 5.5V |
| Output Voltage Accuracy |
±2% |
| PSRR |
55dB @ 1kHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-5 |
Key Features
- Low dropout voltage: 200mV typ at 300mA
- Low quiescent current: 30µA typ
- High output voltage accuracy: ±2%
- Stable with ceramic output capacitors (1µF)
- Current limit and thermal protection
- Enable pin for power-saving shutdown
- Wide operating temperature range: -40°C to +125°C
Target Applications
- 5G base station power management modules
- Automotive dashboard displays and infotainment systems
- Portable medical devices (e.g., glucose meters)
- Industrial sensor nodes and IoT modules
- Battery-powered wearables and smart watches
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LDK130M29R. 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
LDK130M29R 是意法半導體(STMicroelectronics)推出的一款低壓差線性穩壓器(LDO),專為空間受限的應用設計。它提供固定的 2.9V 輸出電壓,最大輸出電流為 300mA。器件採用緊湊的 SOT-23-5 封裝,非常適合便攜式和電池供電的電子設備。在滿載條件下,典型壓差僅為 200mV,靜態電流僅 30µA,為低功耗系統提供卓越的效率。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.9V(固定) |
| 輸出電流 |
最大 300mA |
| 壓差電壓 |
典型 200mV @ 300mA |
| 靜態電流 |
典型 30µA |
| 輸入電壓範圍 |
2.5V 至 5.5V |
| 輸出電壓精度 |
±2% |
| 電源抑制比 |
55dB @ 1kHz |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-5 |
核心特性
- 低壓差:典型 200mV @ 300mA
- 低靜態電流:典型 30µA
- 高輸出電壓精度:±2%
- 可使用陶瓷輸出電容器(1µF)穩定工作
- 電流限制和熱保護
- 使能引腳,用於關斷省電
- 寬工作溫度範圍:-40°C 至 +125°C
典型應用場景
- 5G 基站電源管理模塊
- 汽車儀表板顯示和信息娛樂系統
- 便攜式醫療設備(如血糖儀)
- 工業傳感器節點和物聯網模塊
- 電池供電的可穿戴設備和智能手錶
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LDK130M29R 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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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。
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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