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Product Overview
The LM337KTTR from Texas Instruments is a three-terminal adjustable negative voltage regulator capable of supplying up to 1.5A over an output voltage range of -1.2V to -37V. It requires only two external resistors to set the output voltage. The device features internal current limiting, thermal shutdown, and safe-area compensation, making it robust for various applications. Housed in a TO-263 (DDPAK-3) surface-mount package, it offers excellent thermal performance and is suitable for compact designs.
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 |
0.1% (typical) |
| Dropout Voltage |
2V (typical at 1.5A) |
| Operating Temperature Range |
0°C to 125°C |
| Package |
TO-263 (DDPAK-3) |
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 standby current
- TO-263 package for excellent heat dissipation
Target Applications
- 5G base station power supplies: providing negative rail for RF amplifiers
- Automotive dashboard displays: generating negative bias for LCD panels
- Industrial control systems: supplying negative voltage for operational amplifiers
- Telecommunications equipment: powering line drivers and receivers
- Test and measurement instruments: adjustable negative supply for calibration
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM337KTTR. 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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orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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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.
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Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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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
LM337KTTR 是德州儀器(TI)生產的三端可調負電壓穩壓器,能夠提供高達 1.5A 的輸出電流,輸出電壓範圍為 -1.2V 至 -37V。只需兩個外部電阻即可設定輸出電壓。該器件具有內部電流限制、熱關斷和安全區補償功能,使其適用於各種應用。採用 TO-263(DDPAK-3)表面貼裝封裝,散熱性能優異,適合緊湊型設計。
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(典型值) |
| 負載調整率 |
0.1%(典型值) |
| 壓差電壓 |
2V(典型值,1.5A 時) |
| 工作溫度範圍 |
0°C 至 125°C |
| 封裝 |
TO-263(DDPAK-3) |
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
- TO-263 封裝,散熱性能優異
典型應用場景
- 5G 基站電源:為射頻放大器提供負電源軌
- 汽車儀表板顯示:為 LCD 面板提供負偏壓
- 工業控制系統:為運算放大器提供負電壓
- 電信設備:為線路驅動器和接收器供電
- 測試與測量儀器:可調負電源用於校準
環球供應鏈與批發合作夥伴方案
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