型号UCC28060
品牌
分类功率因数校正 (PFC) 控制器
描述自然交错式双相转换模式 PFC 控制器
产品概述

参数

Topology Boost
Control mode TM
Switching frequency (max) (kHz) 500
UVLO thresholds on/off (V) 12.6/10.4
Vin (max) (V) 21
Features > 750W Applications, Enable, Interleaved, OVP, Peak current mode, Transition Control Mode
Rating Catalog
Operating temperature range (°C) -40 to 125
Duty cycle (max) (%) 99

封装 | 引脚 | 尺寸

SOIC (D) 16 59.4 mm² 9.9 x 6

说明

Optimized for high-volume consumer applications, this solution extends the advantages of transition mode—high efficiency with low-cost components—to higher power ratings than previously possible. By utilizing a Natural Interleaving technique, both channels operate as masters (that is, there is no slave channel) synchronized to the same frequency. This approach delivers inherently strong matching, faster responses, and ensures that each channel operates in transition mode.

Complete system-level protections feature input brownout, output over-voltage, open-loop, overload, soft-start, phase-fail detection, and thermal shutdown. The additional FailSafe over-voltage protection (OVP) feature protects against shorts to an intermediate voltage that, if undetected, could lead to catastrophic device failure.