VIPER28LN ST PWM Controller | 7-DIP | 800V, 60kHz, 1.5A

Product Overview

The VIPER28LN is a high-voltage PWM controller from STMicroelectronics, designed for offline power supplies. It integrates an 800V avalanche-rugged power MOSFET and a PWM controller in a compact 7-DIP package. This device offers excellent performance for applications requiring high efficiency and reliability, such as AC-DC adapters, chargers, and auxiliary power supplies.

Detailed Technical Specifications

Key Features

• Integrated 800V power MOSFET with avalanche ruggedness
• Fixed 60 kHz switching frequency
• Current-mode control for fast transient response
• Built-in protection: Overvoltage, Overcurrent, Overtemperature, Brown-out
• Low standby power consumption
• Frequency jittering for EMI reduction

Target Applications

• AC-DC adapters for laptops and tablets
• Battery chargers for power tools
• Auxiliary power supplies for 5G base stations
• SMPS for industrial control systems
• Home appliances like washing machines and air conditioners

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for VIPER28LN. 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

VIPER28LN 是意法半導體（STMicroelectronics）的一款高壓 PWM 控制器，專為離線電源設計。它將 800V 雪崩耐固功率 MOSFET 和 PWM 控制器集成在緊湊的 7-DIP 封裝中。該器件在需要高效率和高可靠性的應用中表現出色，例如 AC-DC 適配器、充電器和輔助電源。

詳細技術參數

核心特性

• 集成 800V 功率 MOSFET，具備雪崩耐固性
• 固定 60 kHz 開關頻率
• 電流模式控制，快速瞬態響應
• 內置保護：過壓、過流、過溫、欠壓
• 低待機功耗
• 頻率抖動以降低 EMI

典型應用場景

• 筆記本電腦和平板電腦的 AC-DC 適配器
• 電動工具的電池充電器
• 5G 基站的輔助電源
• 工業控制系統的開關電源
• 洗衣機、空調等家用電器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 VIPER28LN 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]