Active Antenna: Function and Power supply

The TLF4277 supply IC for active antenna systems with advanced diagnostic and monitoring functionality 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.

Infineon Technologies offers a comprehensive portfolio of linear voltage regulators and voltage trackers fitting a broad range of automotive applications. We are the global market leader with over 15 years of experience in the automotive regulator segment.

The TLF4277 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.