UCC3806 - 低功耗、双路输出、电流模式 PWM 控制器

UCC3806是TI德州仪器公司的一款PWM与谐振控制器产品，UCC3806是低功耗、双路输出、电流模式 PWM 控制器，本站介绍了UCC3806的封装应用图解、特点和优点、功能等，并给出了与UCC3806相关的TI元器件型号供参考。

UCC3806 - 低功耗、双路输出、电流模式 PWM 控制器 - PWM与谐振控制器 - 离线隔离型DC/DC控制器和转换器 - 德州仪器

产品描述

The UCC3806 family of BiCMOS PWM controllers offers exceptionally improved performance with a familiar architecture. With the same block diagram and pinout of the popular UC3846 series, the UCC3806 line features increased switching frequency capability while greatly reducing the bias current used within the device. With a typical startup current of 50µA and a well defined voltage threshold for turn-on, these devices are favored for applications ranging from off-line power supplies to battery operated portable equipment. Dual high current, MOSFET driving outputs and a fast current sense loop further enhance device versatility.

All the benefits of current mode control including simpler loop closing, voltage feed-forward, parallelability with current sharing, pulse-by-pulse current limiting, and push-pull symmetry correction are readily achievable with the UCC3806 series.

These devices are available with multiple package options for both through-hole and surface mount applications; and in commercial, industrial, and military temperature ranges.

The UCC3806 is specified for operation from –55°C to +125°C, the UCC2806 is specified for operation from –40°C to +85°C, and the UCC3806 is specified for operation from 0°C to +70°C.

产品特性

BiCMOS Version of UC3846 Families
1.4-mA Maximum Operating Current
100-µA Maximum Startup Current
±0.5-A Peak Output Current
125-ns Circuit Delay
Easier Parallelability
Improved Benefits of Current Mode Control

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