Active Antenna: Function and Power supply
Active Antenna Supply
The TLF 4277 is the ideal companion IC to supply active antennas in car infotainment applications. Its adjustable output voltage makes it ideal for FM/AM, DAB, XM as well as SIRIUS tuner systems.
The TLF 4277 is a monolithic integrated low dropout voltage regulator for loads up to 200 mA. The variable output voltage ranges from 5 V to 12 V for input voltages up to 40 V.