LM2990T-12/NOPB TI Linear Voltage Regulator | TO-220-3 | -12V Output, 1A Current

Product Overview

The LM2990T-12/NOPB is a fixed negative output low dropout voltage regulator from Texas Instruments. It provides a stable -12V output with a maximum current of 1A. The device features a low dropout voltage of typically 0.6V at full load, making it suitable for applications where the input voltage is close to the output. It includes internal current limiting and thermal shutdown protection. The TO-220-3 package ensures efficient heat dissipation for reliable operation in demanding environments.

Detailed Technical Specifications

Key Features

• Fixed -12V output voltage
• Output current up to 1A
• Low dropout voltage: 0.6V typical
• Internal current limiting and thermal shutdown
• Wide operating temperature range
• TO-220-3 package for excellent thermal performance

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)
• Telecommunications equipment (negative rail for line drivers)
• Test and measurement instruments (precision negative supply)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM2990T-12/NOPB. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• 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.

• 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.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

LM2990T-12/NOPB 是德州儀器（TI）推出的固定負輸出低壓差穩壓器。它提供穩定的 -12V 輸出，最大電流 1A。該器件在滿載時典型壓差僅 0.6V，適用於輸入電壓接近輸出的應用。內置電流限制和熱關斷保護。TO-220-3 封裝確保高效散熱，適用於惡劣環境。

詳細技術參數

核心特性

• 固定 -12V 輸出電壓
• 輸出電流高達 1A
• 低壓差：典型 0.6V
• 內置電流限制和熱關斷
• 寬工作溫度範圍
• TO-220-3 封裝，散熱性能優異

典型應用場景

• 5G 基站電源（射頻放大器的負電源）
• 汽車儀表盤顯示（LCD 負偏壓）
• 工業控制系統（運算放大器負電源）
• 電信設備（線路驅動器負電源）
• 測試測量儀器（精密負電源）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM2990T-12/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：

• 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。
• 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。
• 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。
• 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。
• 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。

品質保證與合規

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。

• 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。
• 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。
• 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。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]