LMR14203XMKX/NOPB TI DC-DC Converter | SOT-23-THIN | 42V, 300mA

Product Overview

The LMR14203XMKX/NOPB from Texas Instruments is a high-voltage, step-down DC-DC converter designed for space-constrained applications. It operates from an input voltage range of 4.5V to 42V and delivers up to 300mA of output current. Housed in a compact SOT-23-THIN package, this device integrates a high-side N-channel MOSFET and features current-mode control for excellent transient response and stability. The LMR14203XMKX/NOPB is ideal for industrial, automotive, and telecom power supplies where efficiency and small footprint are critical.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 4.5V to 42V
• 300mA output current capability
• High efficiency up to 90%
• Integrated high-side MOSFET
• Current-mode control for fast transient response
• Internal compensation
• Low quiescent current: 40 µA
• Shutdown current: 2.2 µA
• Thermal shutdown and overcurrent protection
• Small SOT-23-THIN package

Target Applications

• 5G base station power supplies
• Automotive dashboard and infotainment systems
• Industrial sensor modules
• Telecom and networking equipment
• Portable battery-powered devices
• LED lighting drivers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LMR14203XMKX/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

LMR14203XMKX/NOPB 是德州儀器（TI）推出的一款高壓降壓型 DC-DC 轉換器，專為空間受限的應用設計。其輸入電壓範圍為 4.5V 至 42V，可提供高達 300mA 的輸出電流。該器件採用緊湊的 SOT-23-THIN 封裝，內置高側 N 溝道 MOSFET，並採用電流模式控制，具有出色的瞬態響應和穩定性。LMR14203XMKX/NOPB 非常適合工業、汽車和電信電源應用，在這些應用中，高效率和小尺寸至關重要。

詳細技術參數

核心特性

• 寬輸入電壓範圍：4.5V 至 42V
• 300mA 輸出電流能力
• 高效率，最高可達 90%
• 集成高側 MOSFET
• 電流模式控制，實現快速瞬態響應
• 內部補償
• 低靜態電流：40 µA
• 關斷電流：2.2 µA
• 熱關斷和過流保護
• 小型 SOT-23-THIN 封裝

典型應用場景

• 5G 基站電源
• 汽車儀表盤和信息娛樂系統
• 工業傳感器模塊
• 電信和網絡設備
• 便攜式電池供電設備
• LED 照明驅動器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LMR14203XMKX/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]