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Product Overview
The LD2985BM30R from STMicroelectronics is a high-performance low-dropout (LDO) voltage regulator designed for applications requiring a stable 3.0V output with up to 150mA of current. Housed in a compact SOT-23-5 package, it offers excellent line and load regulation, low quiescent current, and a wide input voltage range. This device is ideal for battery-powered equipment, portable devices, and industrial control systems where power efficiency and space constraints are critical.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.0V |
| Output Current |
150mA |
| Dropout Voltage |
0.3V (typical at 150mA) |
| Input Voltage Range |
2.5V to 6.0V |
| Quiescent Current |
85µA (typical) |
| Output Voltage Accuracy |
±1% |
| PSRR |
60dB at 1kHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-5 |
Key Features
- Low dropout voltage: 0.3V typical at 150mA
- Low quiescent current: 85µA typical
- High output voltage accuracy: ±1%
- Wide input voltage range: 2.5V to 6.0V
- Stable with low ESR ceramic capacitors
- Thermal shutdown and short-circuit protection
- Small SOT-23-5 package for space-constrained designs
Target Applications
- 5G base station power management modules
- Automotive dashboard displays and infotainment systems
- Portable medical devices like glucose meters and pulse oximeters
- Industrial sensor nodes and IoT endpoints
- Battery-powered consumer electronics (e.g., smartwatches, wireless earbuds)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LD2985BM30R. 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.
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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
LD2985BM30R 是意法半導體(STMicroelectronics)推出的一款高性能低壓差(LDO)穩壓器,提供穩定的 3.0V 輸出電壓和最高 150mA 的輸出電流。採用緊湊的 SOT-23-5 封裝,具有優異的線性和負載調整率、低靜態電流以及寬輸入電壓範圍。該器件非常適合電池供電設備、便攜式設備和工業控制系統等對電源效率和空間有嚴格要求的應用。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.0V |
| 輸出電流 |
150mA |
| 壓差電壓 |
0.3V(典型值,150mA 時) |
| 輸入電壓範圍 |
2.5V 至 6.0V |
| 靜態電流 |
85µA(典型值) |
| 輸出電壓精度 |
±1% |
| 電源抑制比 |
60dB(1kHz 時) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-5 |
核心特性
- 低壓差電壓:150mA 時典型值 0.3V
- 低靜態電流:典型值 85µA
- 高輸出電壓精度:±1%
- 寬輸入電壓範圍:2.5V 至 6.0V
- 可與低 ESR 陶瓷電容穩定工作
- 過熱關斷和短路保護
- 小型 SOT-23-5 封裝,適合空間受限的設計
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
- 便攜式醫療設備,如血糖儀和脈搏血氧儀
- 工業傳感器節點和物聯網終端
- 電池供電的消費電子產品(例如智能手錶、無線耳機)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LD2985BM30R 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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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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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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