The UC3842B, UC3843B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and DC−DC converter applications offering the …
UC3842 数据表、产品信息和支持 | 德州仪器 TI.com.cn
TI 的 UC3842 是一款 具有 16V/10V UVLO 和 100% 占空比、温度范围为 0°C 至 70°C 的单端 500KHz 电流模式 PWM 控制器。 查找参数、订购和质量信息.
UC3842B Datasheet (PDF) - STMicroelectronics
UC3842B Product details DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control …
UC3842B_UMW(友台半导体)_UC3842B中文资料_PDF手册_价格
下载UC3842B中文资料、引脚图、Datasheet数据手册，有AC-DC控制器和稳压器详细引脚图及功能的应用电路图电压和使用方法及教程。
Offline Controllers | UC3842B - onsemi
The UC3842B, UC3843B series are high performance fixed frequency current mode controllers. They are specifically designed for Off-Line and dc-to-dc converter applications offering the …
cycle ranges. The UC3842B and UC3844B have UVLO thresholds of 16V (on) and 10V (off), ideally suited off-line applications The corresponding thresh-olds for the UC3843B and …
UC3842B - Current Mode PWM - STMicroelectronics
Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lockout featuring start-up current less than 0.5mA, a precision reference …
UC3842电源管理芯片详细解读 - CSDN博客
2022年5月13日 · UC3842 是AC-DC反激式变压器中常用的电源管理芯片，其具有较低的启动电流（<1mA），并且可以在高达500KHz频率下工作，在输出端输出可脉宽调制的PWM波来驱 …
UC3842B - 电流模式PWM - 意法半导体STMicroelectronics
Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lockout featuring start-up current less than 0.5mA, a precision reference …
uc3842中文资料汇总（uc3842引脚图及功能_工作原理及典型应用 …
2021年11月7日 · UC3842是一种高性能固定频率电流型控制器，包含误差放大器、PWM比较器、PWM锁存器、振荡器、内部基准电源和欠压锁定等单元，其结构图如图1所示。 各管脚功能 …
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