LDK120C31R ST LDO Regulator | SOT-323-5 | 3.1V Output, 200mA

Product Overview

The LDK120C31R is a low-dropout (LDO) linear voltage regulator from STMicroelectronics, offering a fixed output voltage of 3.1V with a maximum output current of 200mA. Housed in a compact SOT-323-5 package, it is designed for space-constrained applications requiring low quiescent current and high PSRR. The device features enable logic, short-circuit protection, and thermal shutdown, making it ideal for battery-powered and noise-sensitive systems.

Detailed Technical Specifications

Key Features

• Low dropout voltage: 200mV at 200mA
• Low quiescent current: 60µA typical
• High PSRR: 55dB at 1kHz
• Enable pin for power management
• Short-circuit and thermal protection
• Stable with 1µF ceramic output capacitor
• Wide input voltage range: 2.5V to 5.5V

Target Applications

• 5G base station power management
• Automotive dashboard displays
• Portable battery-powered devices
• Industrial sensors and IoT modules
• Medical monitoring equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LDK120C31R. 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

LDK120C31R 是意法半導體推出的低壓差線性穩壓器，固定輸出電壓 3.1V，最大輸出電流 200mA。採用緊湊的 SOT-323-5 封裝，適用於空間受限且需要低靜態電流和高 PSRR 的應用。器件具有使能邏輯、短路保護和熱關斷功能，非常適合電池供電和噪聲敏感系統。

詳細技術參數

核心特性

• 低壓差：200mV @ 200mA
• 低靜態電流：典型 60µA
• 高 PSRR：55dB @ 1kHz
• 使能引腳，便於電源管理
• 短路和熱關斷保護
• 與 1µF 陶瓷輸出電容穩定工作
• 寬輸入電壓範圍：2.5V 至 5.5V

典型應用場景

• 5G 基站電源管理
• 汽車儀表板顯示
• 便攜式電池供電設備
• 工業傳感器和 IoT 模塊
• 醫療監測設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LDK120C31R 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]