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Product Overview
The LM337T/NOPB from Texas Instruments is a three-terminal adjustable negative voltage regulator capable of supplying 1.5A over an output voltage range of -1.2V to -37V. It requires only two external resistors to set the output voltage and features internal current limiting, thermal shutdown, and safe-area compensation. The device is housed in a standard TO-220-3 package, making it suitable for a wide range of applications requiring a stable negative voltage supply.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage Range |
-1.2V to -37V |
| Output Current |
1.5A (max) |
| Line Regulation |
0.01%/V (typical) |
| Load Regulation |
0.3% (typical) |
| Dropout Voltage |
2V (typical at 1.5A) |
| Operating Temperature Range |
0°C to 125°C |
| Package |
TO-220-3 |
Key Features
- Adjustable output voltage down to -1.2V
- 1.5A output current capability
- Internal current limiting and thermal overload protection
- Safe-area compensation
- Standard TO-220-3 package for easy heatsinking
Target Applications
- 5G base station power supplies (negative rail for RF amplifiers)
- Automotive dashboard displays (negative bias for LCD)
- Industrial control systems (negative voltage for op-amps)
- Test and measurement equipment (precision negative reference)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM337T/NOPB. 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.
-
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
LM337T/NOPB 是德州儀器(TI)生產的三端可調負電壓穩壓器,能夠在 -1.2V 至 -37V 的輸出電壓範圍內提供 1.5A 電流。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。該器件採用標準 TO-220-3 封裝,適用於需要穩定負電壓的各種應用。
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) |
| 線性調整率 |
0.01%/V(典型) |
| 負載調整率 |
0.3%(典型) |
| 壓差電壓 |
2V(典型,1.5A 時) |
| 工作溫度範圍 |
0°C 至 125°C |
| 封裝 |
TO-220-3 |
核心特性
- 可調輸出電壓低至 -1.2V
- 1.5A 輸出電流能力
- 內部電流限制和熱過載保護
- 安全區補償
- 標準 TO-220-3 封裝,易於散熱
典型應用場景
- 5G 基站電源(射頻放大器的負電源軌)
- 汽車儀表顯示器(LCD 負偏壓)
- 工業控制系統(運算放大器的負電壓)
- 測試與測量設備(精密負參考電壓)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM337T/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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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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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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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。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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