SMPS Controller

Description KA7577 is fixed frequency PWM controller and specially designed for SMPS to get regulated DC voltage from AC power supply. This integrated circuit has so fast rise and fall output pulse that it can directly drive power transistor as well as power MOSFET. This device features high spee

SMPS controller

SMPS Controller

Description KA7577 is fixed frequency PWM controller and specially designed for SMPS to get regulated DC voltage from AC power supply. This integrated circuit has so fast rise and fall output pulse that it can directly drive power transistor as well as power MOSFET. This device features high spee

Super-split PLL-II VIF and SIF IF Signal Processor for TV/VTRs

Overview The LA7577N is a high tone quality and high picture quality, video IF and sound IF IC. It employs split processing of the video IF signal and sound IF signal using SAW filters and a PLL detector. Further, the PLL detector incorpo rates a buzz canceler for Nyquist buzz interferenc

Super-split PLL-II VIF and SIF IF Signal Processor for TV/VTRs

Overview The LA7577N is a high tone quality and high picture quality, video IF and sound IF IC. It employs split processing of the video IF signal and sound IF signal using SAW filters and a PLL detector. Further, the PLL detector incorpo rates a buzz canceler for Nyquist buzz interferenc

High Voltage Green-Mode PWM Controller with Brown-Out Protection

General Description The LD7577 integrates several functions of protections, and EMI-improved solution in SOP-8 package. It minimizes the component counts and the circuit space. The device provides functions of low startup current, green-mode power-saving operation, leading-edge blanking of t