LM431AIM3/NOPB TI Shunt Voltage Reference | SOT-23-3 | 2.495V, 1% Accuracy

Product Overview

The LM431AIM3/NOPB is a precision shunt voltage reference from Texas Instruments, offering a programmable output voltage from 2.495V to 36V via two external resistors. Housed in a compact SOT-23-3 package, it provides a typical output impedance of 0.2Ω and a temperature coefficient of 50 ppm/°C. This device is ideal for applications requiring a stable reference voltage with low dynamic impedance and fast turn-on response.

Detailed Technical Specifications

Key Features

• Programmable output voltage from 2.495V to 36V
• Low dynamic output impedance: 0.2Ω typical
• Fast turn-on response
• Wide operating current range: 1 mA to 100 mA
• Low temperature coefficient: 50 ppm/°C typical
• Available in SOT-23-3 package for space-constrained designs

Target Applications

• 5G base station power supplies: Provides stable reference for voltage regulation in remote radio units.
• Automotive dashboard displays: Used as a precision reference for analog-to-digital converters (ADCs) in instrument clusters.
• Industrial sensor interfaces: Supplies accurate bias voltage for pressure and temperature sensors.
• Battery management systems: Serves as a reference for overvoltage/undervoltage detection circuits.
• Portable electronics: Enables low-power voltage regulation in smartphones and wearables.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM431AIM3/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

LM431AIM3/NOPB 是德州儀器（TI）生產的一款精密並聯電壓基準，可通過兩個外部電阻將輸出電壓設定在 2.495V 至 36V 之間。採用緊湊的 SOT-23-3 封裝，典型輸出阻抗為 0.2Ω，溫度係數為 50 ppm/°C。該器件適用於需要穩定基準電壓且具有低動態阻抗和快速啟動響應的應用。

詳細技術參數

核心特性

• 可編程輸出電壓：2.495V 至 36V
• 低動態輸出阻抗：典型值 0.2Ω
• 快速啟動響應
• 寬工作電流範圍：1 mA 至 100 mA
• 低溫度係數：典型值 50 ppm/°C
• 採用 SOT-23-3 封裝，適合空間受限的設計

典型應用場景

• 5G 基站電源：為遠程射頻單元的電壓調節提供穩定基準。
• 汽車儀表盤顯示：為儀表組中的模數轉換器（ADC）提供精密基準。
• 工業傳感器接口：為壓力、溫度傳感器提供精確偏置電壓。
• 電池管理系統：用於過壓/欠壓檢測電路的基準。
• 便攜式電子設備：在智能手機和可穿戴設備中實現低功耗電壓調節。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM431AIM3/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]