L4931CZ33-AP ST LDO Regulator | TO-92-3 | 3.3V Output, 100mA

Product Overview

The L4931CZ33-AP is a low dropout voltage regulator manufactured by STMicroelectronics, offering a fixed output voltage of 3.3V and a maximum output current of 100mA. Housed in a TO-92-3 package, this device is designed for low-power applications requiring a stable and efficient power supply. Its low dropout voltage (typically 0.4V at full load) makes it ideal for battery-powered systems where extending battery life is critical. The L4931CZ33-AP also features internal current and thermal protection, ensuring reliable operation under adverse conditions.

Detailed Technical Specifications

Key Features

• Low dropout voltage: 0.4V typical at 100mA
• Fixed output voltage: 3.3V
• Output current up to 100mA
• Internal current and thermal protection
• Wide input voltage range: 2.5V to 20V
• Low quiescent current: 0.5mA typical
• Stable with low ESR capacitors
• Available in TO-92-3 package

Target Applications

• Battery-powered devices (e.g., portable medical monitors, handheld terminals)
• Automotive electronics (e.g., dashboard displays, sensor modules)
• Industrial control systems (e.g., PLC modules, remote I/O)
• Telecommunications equipment (e.g., 5G base station power management, network routers)
• Consumer electronics (e.g., smart home hubs, wearable devices)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L4931CZ33-AP. 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

L4931CZ33-AP 是意法半導體（STMicroelectronics）生產的一款低壓差穩壓器，提供固定的 3.3V 輸出電壓和最大 100mA 的輸出電流。該器件採用 TO-92-3 封裝，專為需要穩定高效電源的低功耗應用而設計。其低壓差特性（滿載時典型值 0.4V）使其非常適合電池供電系統，有助於延長電池壽命。L4931CZ33-AP 還具有內部電流和熱保護功能，確保在惡劣條件下可靠運行。

詳細技術參數

核心特性

• 低壓差電壓：100mA 時典型值 0.4V
• 固定輸出電壓：3.3V
• 輸出電流高達 100mA
• 內部電流和熱保護
• 寬輸入電壓範圍：2.5V 至 20V
• 低靜態電流：典型值 0.5mA
• 與低 ESR 電容穩定工作
• 提供 TO-92-3 封裝

典型應用場景

• 電池供電設備（例如便攜式醫療監護儀、手持終端）
• 汽車電子（例如儀表板顯示、傳感器模塊）
• 工業控制系統（例如 PLC 模塊、遠程 I/O）
• 電信設備（例如 5G 基站電源管理、網絡路由器）
• 消費電子（例如智能家居中樞、可穿戴設備）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L4931CZ33-AP 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]