UC3856N TI PWM Controller | 16-PDIP | 1MHz, 2A Peak Gate Drive

Product Overview

The UC3856N from Texas Instruments is a high-performance current-mode PWM controller designed for a wide range of power conversion applications. Housed in a 16-pin PDIP package, this device offers precise control and robust protection features. It operates at a fixed frequency up to 1 MHz, making it suitable for compact and efficient power supplies. The UC3856N features a 2A peak gate drive capability, enabling direct driving of power MOSFETs. Its current-mode architecture provides inherent feed-forward compensation, excellent transient response, and simplified loop compensation.

Detailed Technical Specifications

Key Features

• Current-mode control for improved transient response
• 1 MHz maximum switching frequency
• 2A peak gate drive for external MOSFETs
• Precision 5.1V reference with ±1% accuracy
• Under-voltage lockout (UVLO) with hysteresis
• Programmable soft-start
• Over-current protection with latch-off capability
• Low startup current (1 mA typical)

Target Applications

• AC-DC power supplies for 5G base stations (e.g., 48V/2kW rectifier modules)
• DC-DC converters for automotive infotainment systems (e.g., 12V to 3.3V/5V for dashboard displays)
• Industrial power supplies for programmable logic controllers (PLCs)
• Battery chargers for electric vehicles (e.g., 48V lead-acid chargers)
• Telecom power modules (e.g., -48V to +5V isolated converters)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for UC3856N. 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

UC3856N 是德州儀器（TI）推出的一款高性能電流模式 PWM 控制器，適用於多種電源轉換應用。該器件採用 16 引腳 PDIP 封裝，提供精確的控制和強大的保護功能。其工作頻率高達 1 MHz，適合設計緊湊高效的電源。UC3856N 具有 2A 峰值柵極驅動能力，可直接驅動功率 MOSFET。電流模式架構提供固有的前饋補償、出色的瞬態響應和簡化的環路補償。

詳細技術參數

核心特性

• 電流模式控制，改善瞬態響應
• 最高 1 MHz 開關頻率
• 2A 峰值柵極驅動，用於外部 MOSFET
• 精確 5.1V 參考，精度 ±1%
• 帶滯後的欠壓鎖定 (UVLO)
• 可編程軟啟動
• 帶鎖存關斷功能的過流保護
• 低啟動電流（典型值 1 mA）

典型應用場景

• 5G 基站交流-直流電源（例如 48V/2kW 整流模塊）
• 汽車信息娛樂系統的直流-直流轉換器（例如 12V 轉 3.3V/5V 用於儀表盤顯示）
• 可編程邏輯控制器 (PLC) 的工業電源
• 電動汽車電池充電器（例如 48V 鉛酸充電器）
• 電信電源模塊（例如 -48V 轉 +5V 隔離轉換器）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 UC3856N 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]