STCH03TR ST Off-Line PWM Controller | 8-SOIC | 800V Startup, Quasi-Resonant

Product Overview

The STCH03TR is a high-performance offline PWM controller from STMicroelectronics, designed for advanced power conversion applications. Housed in a compact 8-SOIC package, it integrates an 800V startup circuit and operates in quasi-resonant (QR) mode to achieve high efficiency and low EMI. The device features frequency foldback for light-load efficiency and a comprehensive set of protections including overvoltage, overload, and brownout. Its adaptive UVLO and adjustable dead-time make it suitable for a wide range of AC-DC converters.

Detailed Technical Specifications

Key Features

• 800V integrated startup circuit reduces external components
• Quasi-resonant (QR) operation for high efficiency and low EMI
• Frequency foldback for improved light-load efficiency
• Adaptive UVLO with hysteresis
• Adjustable dead-time for optimized MOSFET switching
• Comprehensive protections: OVP, OLP, brownout, OTP
• Low standby power consumption

Target Applications

• AC-DC adapters for laptops and tablets
• Power supplies for 5G base stations
• Industrial SMPS for automation equipment
• LED lighting drivers
• Home appliance power supplies (e.g., smart TVs, air conditioners)
• Automotive dashboard power supplies

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for STCH03TR. 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

STCH03TR是意法半導體推出的一款高性能離線PWM控制器，採用緊湊的8-SOIC封裝，內置800V啟動電路，工作於準諧振模式以實現高效率與低EMI。該器件具備頻率折返功能以提升輕載效率，並提供全面的保護功能，包括過壓、過載和欠壓保護。自適應UVLO和可調死區時間使其適用於多種AC-DC轉換器。

詳細技術參數

核心特性

• 內置800V啟動電路，減少外部元件
• 準諧振操作，實現高效率與低EMI
• 頻率折返提升輕載效率
• 自適應UVLO帶遲滯
• 可調死區時間優化MOSFET開關
• 全面保護：OVP, OLP, 欠壓, OTP
• 低待機功耗

典型應用場景

• 筆記本電腦和平板電腦的AC-DC適配器
• 5G基站的電源供應
• 工業自動化設備的開關電源
• LED照明驅動器
• 家用電器電源（如智能電視、空調）
• 汽車儀表盤電源

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 STCH03TR 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]