RT5047
RT5047 is manufactured by Richtek.
Single Output LNB Supply and Control Voltage Regulator
General Description
The RT5047 is a highly integrated voltage regulator and interface IC, specifically design for supplying power and control signals from advanced satellite set-top box (STB) modules to the LNB down-converter in the antenna dish or to the multi-switch box.
The device is consists of the independent current-mode boost controller and low dropout linear regulator along with the circuitry required for 22kHz tone shaping to support DiSEqCTM1.x munications.
The RT5047 has fault protection (over-current, over-temperature and under-voltage lockout).
The RT5047 are available in a SOP-8 (Exposed Pad) package to...
