ISL6421 Overview
DATASHEET ISL6421 Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs FN9130 Rev 1.00 Jul 2004 The ISL6421 is a highly integrated solution for supplying power and control signals from advanced satellite set-top box (STB) modules to the low noise block (LNB). This device is prised of a current-mode boost PWM and a low-noise linear regulator, along with...