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Product Overview
The LP2985-28DBVT from Texas Instruments is a high-performance, low-dropout (LDO) voltage regulator designed for applications requiring a stable 2.8V output. With a maximum output current of 150mA and a dropout voltage as low as 300mV at full load, this device is ideal for battery-powered and space-constrained systems. The SOT-23-5 package offers a compact footprint, making it suitable for portable electronics, industrial sensors, and communication modules.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.8V |
| Output Current (Max) |
150mA |
| Dropout Voltage (Typ) |
300mV @ 150mA |
| Input Voltage Range |
2.5V to 16V |
| Quiescent Current (Typ) |
1.2mA |
| PSRR (1kHz) |
65dB |
| Output Noise (10Hz-100kHz) |
30µVrms |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-5 |
Key Features
- Low dropout voltage: 300mV typical at 150mA load
- High output voltage accuracy: ±1.5%
- Low quiescent current: 1.2mA typical
- Excellent line and load transient response
- Built-in overcurrent and thermal shutdown protection
- Stable with low-ESR ceramic capacitors
- Small SOT-23-5 package for space-saving designs
Target Applications
- 5G base station power management (e.g., supply for RF transceiver modules)
- Automotive dashboard displays and infotainment systems
- Portable medical devices (e.g., glucose meters, pulse oximeters)
- Industrial sensor nodes and IoT modules
- Battery-powered equipment (e.g., wireless headsets, remote controls)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP2985-28DBVT. 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
LP2985-28DBVT 是德州儀器(TI)推出的一款高性能低壓差(LDO)穩壓器,專為需要穩定 2.8V 輸出的應用而設計。最大輸出電流為 150mA,滿載時壓差低至 300mV,非常適合電池供電和空間受限的系統。SOT-23-5 封裝提供緊湊的佔位面積,適用於便攜式電子設備、工業傳感器和通信模塊。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.8V |
| 最大輸出電流 |
150mA |
| 典型壓差 |
300mV @ 150mA |
| 輸入電壓範圍 |
2.5V 至 16V |
| 典型靜態電流 |
1.2mA |
| 電源抑制比 (1kHz) |
65dB |
| 輸出噪聲 (10Hz-100kHz) |
30µVrms |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-5 |
核心特性
- 低壓差:150mA 負載下典型值 300mV
- 高輸出電壓精度:±1.5%
- 低靜態電流:典型值 1.2mA
- 優異的線性和負載瞬態響應
- 內置過流和熱關斷保護
- 可使用低 ESR 陶瓷電容器穩定工作
- 小型 SOT-23-5 封裝,節省空間
典型應用場景
- 5G 基站電源管理(例如為射頻收發模塊供電)
- 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、脈搏血氧儀)
- 工業傳感器節點和物聯網模塊
- 電池供電設備(如無線耳機、遙控器)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP2985-28DBVT 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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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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