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UCC38050

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符合 IEC61000-3-2 标准、温度范围为 -40°C 至 85°C、具有 15.6V/9.7V UVLO 的转换模式 PFC 控制器

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UCC28051 正在供货 符合 IEC61000-3-2 标准、温度范围为 -40°C 至 105°C、具有 12.5V/9.7V UVLO 的转换模式 PFC 控制器 Wider operating temperature range

UCC38050

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产品详情

Rating Catalog Topology Boost, PFC controller Vin (max) (V) 18 Control mode TM Features Overvoltage protection, Peak current mode, Transition Control Mode, Undervoltage protection Operating temperature range (°C) 0 to 70 Duty cycle (max) (%) 99
Rating Catalog Topology Boost, PFC controller Vin (max) (V) 18 Control mode TM Features Overvoltage protection, Peak current mode, Transition Control Mode, Undervoltage protection Operating temperature range (°C) 0 to 70 Duty cycle (max) (%) 99
PDIP (P) 8 92.5083 mm² 9.81 x 9.43 SOIC (D) 8 29.4 mm² 4.9 x 6
  • Transition Mode PFC Controller for Low Implementation Cost
  • Industry Pin Compatibility With Improved Feature Set
  • Improved Transient Response With Slew-Rate Comparator
  • Zero Power Detect to Prevent Overvoltage Protection (OVP) During Light Load Conditions
  • Accurate Internal VREF for Tight Output Regulation
  • Two UVLO Options
  • OVP, Open-Feedback Protection, and Enable Circuits
  • ±750-mA Peak Gate Drive Current
  • Low Start-Up and Operating Currents
  • Lead (Pb)-Free Packages
  • Transition Mode PFC Controller for Low Implementation Cost
  • Industry Pin Compatibility With Improved Feature Set
  • Improved Transient Response With Slew-Rate Comparator
  • Zero Power Detect to Prevent Overvoltage Protection (OVP) During Light Load Conditions
  • Accurate Internal VREF for Tight Output Regulation
  • Two UVLO Options
  • OVP, Open-Feedback Protection, and Enable Circuits
  • ±750-mA Peak Gate Drive Current
  • Low Start-Up and Operating Currents
  • Lead (Pb)-Free Packages

The UCC38050 and UCC38051 are PFC controllers for low-to-medium power applications requiring compliance with IEC 1000-3-2 harmonic reduction standard. The controllers are designed for a boost preregulator operating in transition mode (also referred to as boundary-conduction mode or critical conduction-mode operation). They feature a transconductance voltage amplifier for feedback error processing, a simple multiplier for generating a current command proportional to the input voltage, a current-sense (PWM) comparator, PWM logic, and a totem-pole driver for driving an external FET.

In the transition mode operation, the PWM circuit is self-oscillating, with the turnon being governed by an inductor zero-current detector (ZCD pin), and the turnoff being governed by the current-sense comparator. Additionally, the controller provides features such as peak current limit, default timer, overvoltage protection (OVP) and enable.

The UCC38050 and UCC38051 are PFC controllers for low-to-medium power applications requiring compliance with IEC 1000-3-2 harmonic reduction standard. The controllers are designed for a boost preregulator operating in transition mode (also referred to as boundary-conduction mode or critical conduction-mode operation). They feature a transconductance voltage amplifier for feedback error processing, a simple multiplier for generating a current command proportional to the input voltage, a current-sense (PWM) comparator, PWM logic, and a totem-pole driver for driving an external FET.

In the transition mode operation, the PWM circuit is self-oscillating, with the turnon being governed by an inductor zero-current detector (ZCD pin), and the turnoff being governed by the current-sense comparator. Additionally, the controller provides features such as peak current limit, default timer, overvoltage protection (OVP) and enable.

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类型 标题 下载最新的英语版本 日期
* 数据表 UCC2805x, UCC3805x Transition Mode PFC Controller 数据表 (Rev. G) PDF | HTML 2015年 5月 5日
用户指南 PR320 UCC28050 100-W PFC Ballast Pre-Regulator 2004年 8月 16日
应用手册 UCC38050 100W Critical Conduction (PFC) Reference Design (Rev. A) 2004年 5月 3日
用户指南 100-W Universal Line Input PFC Boost Converter Using the UCC38050 (Rev. B) 2004年 2月 12日

设计和开发

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评估板

UCC28051EVM — UCC28051 评估模块

UCC28051 Evaluation Module is a 100-W offline AC-DC voltage converter with power factor correction (PFC). The power module was designed to show how the UCC28051 could be configured in an off-line power factor corrected preregulator. The module was designed to operate over a universal input range (...)
用户指南: PDF
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计算工具

UCC38050-CALC — UCC38050 MathCad tool

Mathcad-based Design Tool for UCC38050
支持的产品和硬件

支持的产品和硬件

产品
交流/直流和直流/直流控制器（外部 FET）
UCC28050 — 符合 IEC61000-3-2 标准、温度范围为 -40°C 至 105°C、具有 15.6V/9.7V UVLO 的转换模式 PFC 控制器 UCC28051 — 符合 IEC61000-3-2 标准、温度范围为 -40°C 至 105°C、具有 12.5V/9.7V UVLO 的转换模式 PFC 控制器 UCC38050 — 符合 IEC61000-3-2 标准、温度范围为 -40°C 至 85°C、具有 15.6V/9.7V UVLO 的转换模式 PFC 控制器 UCC38051 — 符合 IEC61000-3-2 标准、温度范围为 0°C 至 70°C、具有 12.5V/9.7V UVLO 的转换模式 PFC 控制器
软件
计算工具
UCC38050-CALC — 适用于 UCC38050 转换模式 PFC 控制器的 MathCAD 计算工具
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封装 引脚 CAD 符号、封装和 3D 模型
PDIP (P) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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