文档预览： UC3842/UC3843/UC 3844/UC3845 7 Shutdown of the UC3842 can be accomplished by two methods; either raise pin 3 above 1V or pull pin 1 below a voltage two diode drops above ground. Either method causes the output of the PWM comparator ... 点击下载

文档预览： POE PD P OWER S UPPLY E VALUATION B OARD U SER G UIDE Microsemi Analog Mixed Signal Group 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Page 4 Copyright 2008 Rev. 0.0, 2008-12-04 Evaluation Board Operation: ... 点击下载

文档预览： UC3844, UC3845, UC2844, UC2845 http://onsemi.com 8 OPERATING DESCRIPTION The UC3844, UC3845 series are high performance, fixed frequency, current mode controllers. They are specifically designed for Off-Line and DC-to-DC converter applications offering the designer a cost effective solution ... 点击下载

文档预览： Prostownik do ?adowania akumulatorów samochodowych 43 Elektronika Praktyczna 1/98 P R O J E K T Y Prostownik do ?adowania akumulatorów samochodowych kit AVT?367 Zima to z?okres ciÍøkiej prÛby dla akumulatorÛw samochodowych. 点击下载

文档预览： UC3844组成的变频器开关电源电路 开关电源主要包括输入电网滤波器、输入整流滤波器、变换器、输出整流滤波器、控制电路、保护电路。UC3844,UC3845是高性能固定频率电... 点击下载

文档预览： To 500KHzDescriptionThe UC3842/UC3843/UC3844/UC3845 are fixedfrequency current-mode PWM controller. They arespecially designed for Off - Line and DC-to-DC ... 点击下载

文档预览： note provides a functional description of the UC3842 ...UC1844 and UC1845 by the addition of an ...All products are sold subject to the terms and ... 点击下载

文档预览： 近来高压驱动器颇受人们关注, 因为这类驱动器在驱动压电元件和光电元件方面起着...UC3844 的引脚 2(反馈引脚)把电流检测信号,输出电压反馈信号以及任何额外的斜率 ... 点击下载

文档预览： UC3843BD 2500 05+ UC3844 591 07+1140 07+TDA7473A013TR 35 TDA7479D 870 TDA7496L 871 TDA8133 TDA8134 TDA8135 TDA8136 TDA8137 TDA8138 TDA8170 TDA8171 TDA... 点击下载