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Product Overview
The LM317AMDT/NOPB from Texas Instruments is a three-terminal adjustable positive voltage regulator capable of supplying 1.5A over an output voltage range of 1.2V to 37V. It is housed in a TO-252-3 (DPAK) package, offering excellent thermal performance and compact footprint for space-constrained applications. The device requires only two external resistors to set the output voltage and features internal current limiting, thermal shutdown, and safe-area compensation. With a typical line regulation of 0.01%/V and load regulation of 0.1%, it provides stable and precise voltage regulation for a wide variety of electronic systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage Range |
1.2V to 37V |
| Output Current |
1.5A (max) |
| Dropout Voltage |
2.5V (typical at 1.5A) |
| Line Regulation |
0.01%/V (typical) |
| Load Regulation |
0.1% (typical) |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
TO-252-3 (DPAK) |
| Quiescent Current |
5 mA (typical) |
| PSRR |
80 dB (at 120 Hz) |
Key Features
- Adjustable output voltage from 1.2V to 37V
- Output current up to 1.5A
- Internal current limiting and thermal shutdown
- Safe-area compensation
- Low quiescent current
- Excellent line and load regulation
- Wide operating temperature range
- Standard TO-252-3 package for easy mounting
Target Applications
- 5G base station power supplies: Provides stable bias voltages for RF amplifiers and digital processors.
- Automotive dashboard displays: Regulates power for LCD panels and backlight drivers.
- Industrial control systems: Supplies adjustable voltage for sensors and actuators.
- Consumer electronics: Powers audio amplifiers, set-top boxes, and gaming consoles.
- Telecommunications equipment: Used in line cards and routers for clean voltage rails.
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM317AMDT/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
LM317AMDT/NOPB 是德州儀器(TI)推出的三端可調正電壓穩壓器,能夠在 1.2V 至 37V 的輸出電壓範圍內提供 1.5A 電流。它採用 TO-252-3(DPAK)封裝,具有優異的熱性能和緊湊的佔位面積,適用於空間受限的應用。該器件只需兩個外部電阻即可設定輸出電壓,並具有內部電流限制、熱關斷和安全區補償功能。典型線性調整率為 0.01%/V,負載調整率為 0.1%,可為各種電子系統提供穩定精確的電壓調節。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓範圍 |
1.2V 至 37V |
| 輸出電流 |
1.5A(最大) |
| 壓差電壓 |
2.5V(典型值,1.5A 時) |
| 線性調整率 |
0.01%/V(典型值) |
| 負載調整率 |
0.1%(典型值) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
TO-252-3(DPAK) |
| 靜態電流 |
5 mA(典型值) |
| 電源抑制比 |
80 dB(120 Hz 時) |
核心特性
- 可調輸出電壓 1.2V 至 37V
- 輸出電流高達 1.5A
- 內部電流限制和熱關斷
- 安全區補償
- 低靜態電流
- 優異的線性和負載調整率
- 寬工作溫度範圍
- 標準 TO-252-3 封裝,易於安裝
典型應用場景
- 5G 基站電源:為射頻放大器及數字處理器提供穩定偏置電壓。
- 汽車儀表板顯示器:為 LCD 面板和背光驅動器供電。
- 工業控制系統:為傳感器和執行器提供可調電壓。
- 消費電子:為音頻放大器、機頂盒和遊戲機供電。
- 電信設備:用於線路卡和路由器,提供乾淨的電壓軌。
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM317AMDT/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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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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