LD1117S33CTR ST LDO Regulator | SOT-223 | 3.3V Output, 800mA

Product Overview

The LD1117S33CTR is a low-dropout voltage regulator from STMicroelectronics, offering a fixed output voltage of 3.3V with a maximum output current of 800mA. Housed in a compact SOT-223 package, this device is designed for a wide range of applications requiring stable and efficient power regulation. Its low dropout voltage (typically 1.1V at 800mA) and high accuracy make it ideal for battery-powered equipment, industrial controls, and consumer electronics.

Detailed Technical Specifications

Key Features

• Fixed 3.3V output with ±1% accuracy
• Low dropout voltage: 1.1V typical at full load
• Output current up to 800mA
• Internal current and thermal limit protection
• Wide input voltage range: 4.75V to 15V
• Low quiescent current: 5mA typical
• Fast transient response
• Available in SOT-223 package for space-saving designs

Target Applications

• 5G base station power management modules
• Automotive dashboard displays and infotainment systems
• Industrial sensor nodes and PLCs
• Battery-powered IoT devices (e.g., smart meters, wearables)
• Consumer electronics: set-top boxes, routers, and gaming consoles
• Medical devices: portable monitors and diagnostic equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LD1117S33CTR. 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

LD1117S33CTR 是意法半導體（STMicroelectronics）推出的一款低壓差穩壓器，提供固定的 3.3V 輸出電壓，最大輸出電流為 800mA。該器件採用緊湊的 SOT-223 封裝，適用於需要穩定高效電源調節的各種應用。其低壓差（典型值 1.1V @ 800mA）和高精度使其非常適合電池供電設備、工業控制和消費電子產品。

詳細技術參數

核心特性

• 固定 3.3V 輸出，精度 ±1%
• 低壓差：滿載時典型值 1.1V
• 輸出電流高達 800mA
• 內置電流和熱限制保護
• 寬輸入電壓範圍：4.75V 至 15V
• 低靜態電流：典型 5mA
• 快速瞬態響應
• 採用 SOT-223 封裝，節省空間

典型應用場景

• 5G 基站電源管理模塊
• 汽車儀表盤顯示和資訊娛樂系統
• 工業傳感器節點和 PLC
• 電池供電的 IoT 設備（如智能電錶、可穿戴設備）
• 消費電子產品：機頂盒、路由器、遊戲機
• 醫療設備：便攜式監護儀和診斷設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LD1117S33CTR 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]