UCC2802DTR TI PWM Controller | 8-SOIC | 1MHz, 50% Duty Cycle

Product Overview

The UCC2802DTR from Texas Instruments is a high-speed, low-power current-mode PWM controller designed for off-line and DC-to-DC converter applications. It operates at a fixed frequency up to 1 MHz and features a 50% maximum duty cycle. The device is housed in an 8-pin SOIC package and includes essential protection features such as undervoltage lockout (UVLO) with hysteresis, cycle-by-cycle current limiting, and a totem-pole output stage capable of driving power MOSFETs directly. The UCC2802DTR is optimized for low standby power and high efficiency, making it suitable for power supplies in telecom, industrial, and consumer electronics.

Detailed Technical Specifications

Key Features

• Current-mode control for improved transient response and simplified loop compensation
• Fixed-frequency oscillator with programmable frequency up to 1 MHz
• 50% maximum duty cycle for half-bridge and push-pull topologies
• Low startup current (100 µA typical) for energy-efficient designs
• Undervoltage lockout with hysteresis for reliable startup and shutdown
• Cycle-by-cycle current limiting for overcurrent protection
• Totem-pole output stage with high peak drive current
• Internal soft-start to reduce inrush current

Target Applications

• AC-DC adapters and chargers for laptops and mobile devices
• Isolated DC-DC converters for telecom and 5G base stations
• Power supplies for industrial automation and motor drives
• LED lighting drivers
• Automotive infotainment and dashboard power systems
• Battery chargers for electric vehicles and portable tools

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for UCC2802DTR. 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

UCC2802DTR 是德州儀器（TI）推出的一款高速、低功耗電流模式 PWM 控制器，適用於離線式和 DC-DC 轉換器應用。其工作頻率高達 1 MHz，最大佔空比為 50%。器件採用 8 引腳 SOIC 封裝，具備欠壓鎖定（UVLO）帶滯回、逐週期電流限制以及可直接驅動功率 MOSFET 的推挽輸出級。UCC2802DTR 針對低待機功耗和高效率進行了優化，適用於電信、工業和消費電子領域的電源供應器。

詳細技術參數

核心特性

• 電流模式控制，改善瞬態響應並簡化環路補償
• 固定頻率振盪器，可程式設計頻率高達 1 MHz
• 50% 最大佔空比，適用於半橋和推挽拓撲
• 低啟動電流（典型值 100 µA），實現節能設計
• 帶滯回的欠壓鎖定，確保可靠啟動和關斷
• 逐週期電流限制，提供過流保護
• 推挽輸出級，具有高峰值驅動電流
• 內部軟啟動，減小浪湧電流

典型應用場景

• 筆記型電腦和行動裝置的 AC-DC 適配器和充電器
• 電信和 5G 基地台的隔離式 DC-DC 轉換器
• 工業自動化和馬達驅動的電源供應器
• LED 照明驅動器
• 汽車資訊娛樂系統和儀表板電源系統
• 電動車和便攜式工具的電池充電器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 UCC2802DTR 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]