REG103FA-3.3KTTT TI LDO Regulator | TO-263 (DDPAK-5) | 3.3V Output, 500mA

Product Overview

The REG103FA-3.3KTTT is a high-performance, low-dropout (LDO) voltage regulator from Texas Instruments (TI). It provides a fixed 3.3V output with a maximum output current of 500mA. Housed in a TO-263 (DDPAK-5) package, this device is designed for applications requiring low noise, fast transient response, and high accuracy. The REG103 series features a low dropout voltage of typically 115mV at full load, making it ideal for battery-powered and portable electronics. With an operating junction temperature range of -40°C to +125°C, it ensures reliable performance in harsh environments.

Detailed Technical Specifications

Key Features

• Low dropout voltage: 115mV at 500mA
• Low output noise: 30µVrms
• High PSRR: 65dB at 1kHz
• Fast transient response
• Thermal shutdown and overcurrent protection
• Stable with low ESR ceramic capacitors
• Fixed 3.3V output

Target Applications

• 5G base station power management
• Automotive dashboard displays
• Industrial sensor modules
• Portable medical devices
• Networking equipment (e.g., routers, switches)
• Battery-powered IoT devices

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for REG103FA-3.3KTTT. 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

REG103FA-3.3KTTT 是德州儀器（TI）推出的一款高性能、低壓差（LDO）穩壓器。它提供固定的3.3V輸出，最大輸出電流為500mA。該器件採用 TO-263（DDPAK-5）封裝，專為需要低噪聲、快速瞬態響應和高精度的應用而設計。REG103 系列在滿載時典型壓差僅為115mV，非常適合電池供電和便攜式電子設備。其工作結溫範圍為 -40°C 至 +125°C，確保在惡劣環境下可靠運行。

詳細技術參數

核心特性

• 低壓差：500mA時典型值115mV
• 低輸出噪聲：30µVrms
• 高PSRR：1kHz時65dB
• 快速瞬態響應
• 熱關斷和過流保護
• 與低ESR陶瓷電容穩定工作
• 固定3.3V輸出

典型應用場景

• 5G基站電源管理
• 汽車儀表盤顯示
• 工業傳感器模塊
• 便攜式醫療設備
• 網絡設備（如路由器、交換機）
• 電池供電的物聯網設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 REG103FA-3.3KTTT 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]