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Product Overview
The LP38851SX-ADJ/NOPB is a high-performance, adjustable low-dropout (LDO) voltage regulator from Texas Instruments, designed to deliver up to 800mA of output current with a dropout voltage as low as 120mV at full load. Housed in a TO-263 (DDPAK-7) package, this device offers excellent line and load regulation, making it ideal for noise-sensitive applications. The output voltage is adjustable from 0.8V to 1.8V via external resistors, providing flexibility for various low-voltage power rails.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage Range |
0.8V to 1.8V (Adjustable) |
| Output Current |
800mA |
| Dropout Voltage (Typical) |
120mV @ 800mA |
| Input Voltage Range |
1.5V to 5.5V |
| PSRR |
60dB @ 1kHz |
| Output Noise |
30µVrms (10Hz to 100kHz) |
| Quiescent Current |
3mA (Typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-7) |
Key Features
- Adjustable output voltage from 0.8V to 1.8V
- Low dropout voltage: 120mV at 800mA
- High accuracy: ±1.5% over temperature
- Low output noise: 30µVrms
- Excellent PSRR: 60dB at 1kHz
- Enable pin for power sequencing
- Overcurrent and overtemperature protection
- Stable with ceramic output capacitors
Target Applications
- 5G base station power management (e.g., FPGA core voltage)
- Automotive infotainment and dashboard displays
- Industrial sensor modules (e.g., pressure transmitters)
- Portable medical devices (e.g., glucose meters)
- Networking equipment (e.g., routers, switches)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP38851SX-ADJ/NOPB. 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
LP38851SX-ADJ/NOPB 是德州儀器(TI)推出的一款高性能可調低壓差線性穩壓器(LDO),最大輸出電流為800mA,滿載時典型壓差僅120mV。採用 TO-263(DDPAK-7)封裝,具有優異的線性和負載調整率,非常適合噪聲敏感型應用。輸出電壓可通過外部電阻在0.8V至1.8V範圍內調節,為各種低壓電源軌提供靈活性。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓範圍 |
0.8V 至 1.8V(可調) |
| 輸出電流 |
800mA |
| 壓差(典型值) |
120mV @ 800mA |
| 輸入電壓範圍 |
1.5V 至 5.5V |
| 電源抑制比(PSRR) |
60dB @ 1kHz |
| 輸出噪聲 |
30µVrms(10Hz 至 100kHz) |
| 靜態電流 |
3mA(典型值) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-7) |
核心特性
- 可調輸出電壓:0.8V 至 1.8V
- 低壓差:800mA 時典型值 120mV
- 高精度:全溫度範圍內 ±1.5%
- 低輸出噪聲:30µVrms
- 優異的 PSRR:1kHz 時 60dB
- 使能引腳,支持電源排序
- 過流和過熱保護
- 可與陶瓷輸出電容穩定工作
典型應用場景
- 5G 基站電源管理(如 FPGA 核心電壓)
- 汽車信息娛樂系統及儀表盤顯示
- 工業傳感器模塊(如壓力變送器)
- 便攜式醫療設備(如血糖儀)
- 網絡設備(如路由器、交換機)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP38851SX-ADJ/NOPB 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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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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