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Product Overview
The LP3962EMP-2.5 from Texas Instruments is a high-performance low-dropout (LDO) voltage regulator designed to deliver a fixed 2.5V output with a maximum current of 1.5A. Housed in a compact SOT-223 package, this device offers excellent line and load regulation, making it ideal for noise-sensitive applications. With a dropout voltage as low as 240mV at full load, it ensures efficient operation even with minimal input-to-output voltage differential. The LP3962EMP-2.5 incorporates protection features such as current limiting and thermal shutdown, enhancing system reliability.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.5V (Fixed) |
| Output Current |
1.5A |
| Dropout Voltage (Typ) |
240mV @ 1.5A |
| Input Voltage Range |
2.5V to 7V |
| Line Regulation |
0.02% / V |
| Load Regulation |
0.04% / A |
| Quiescent Current |
3mA (Typ) |
| PSRR |
60dB @ 1kHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-223 |
Key Features
- Fixed 2.5V output with 1.5A capability
- Low dropout voltage: 240mV typical at full load
- Wide input voltage range: 2.5V to 7V
- Excellent line and load regulation
- Low quiescent current: 3mA typical
- High PSRR: 60dB at 1kHz
- Built-in current limit and thermal shutdown protection
- Stable with low ESR output capacitors (10µF ceramic)
- Small SOT-223 package for space-constrained designs
Target Applications
- 5G base station power management (e.g., powering RF transceivers)
- Automotive dashboard displays and infotainment systems
- Industrial sensors and actuators
- Portable battery-powered devices
- FPGA and DSP core voltage supplies
- Medical equipment requiring low noise
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP3962EMP-2.5. 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
LP3962EMP-2.5 是德州儀器(TI)推出的一款高性能低壓差(LDO)穩壓器,提供固定的 2.5V 輸出電壓和最高 1.5A 的輸出電流。該器件採用緊湊的 SOT-223 封裝,具有出色的線性和負載調整率,非常適合對噪聲敏感的應用。在滿載條件下,其壓差電壓典型值僅為 240mV,確保即使在輸入輸出電壓差較小的情況下也能高效運行。LP3962EMP-2.5 集成了限流和熱關斷等保護功能,提高了系統可靠性。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.5V(固定) |
| 輸出電流 |
1.5A |
| 壓差電壓(典型值) |
240mV @ 1.5A |
| 輸入電壓範圍 |
2.5V 至 7V |
| 線性調整率 |
0.02% / V |
| 負載調整率 |
0.04% / A |
| 靜態電流 |
3mA(典型值) |
| 電源抑制比 |
60dB @ 1kHz |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
SOT-223 |
核心特性
- 固定 2.5V 輸出,電流能力 1.5A
- 低壓差:滿載時典型值 240mV
- 寬輸入電壓範圍:2.5V 至 7V
- 優異的線性和負載調整率
- 低靜態電流:典型值 3mA
- 高電源抑制比:1kHz 時 60dB
- 內置限流和熱關斷保護
- 可使用低 ESR 輸出電容(10µF 陶瓷)穩定工作
- 緊湊的 SOT-223 封裝,適合空間受限的設計
典型應用場景
- 5G 基站電源管理(例如為射頻收發器供電)
- 汽車儀表板顯示和信息娛樂系統
- 工業傳感器和執行器
- 便攜式電池供電設備
- FPGA 和 DSP 核心電壓供電
- 需要低噪聲的醫療設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP3962EMP-2.5 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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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。
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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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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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