Active and preferred
RoHS Compliant
Lead-free

TLF4477-3LA

Active antenna supply. Linear voltage regulator with integrated current sense.
ea.
in stock

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TLF4477-3LA
TLF4477-3LA
ea.

Product details

  • Accuracy
    2 %
  • Base Product
    TLF4x77
  • Dropout Voltage
    350 mV
  • Early Warning
    no
  • Enable (=Inhibit)
    yes
  • Hold
    no
  • Operating Temperature
    -40 °C to 150 °C
  • Operating Voltage
    3 V to 45 V
  • Output Current max
    300 mA
  • Output Voltage Type
    adj.
  • Over Voltage Protection
    no
  • Planned to be available until at least
    2039
  • Power Fail
    no
  • Power Good
    no
  • Qualification
    Automotive
  • Quiescent Current
    835 µA
  • Regulator Type
    Application Specific -Antenna
  • Reset
    no
  • Status Output
    yes
  • Watchdog
    no
OPN
TLF44773LAXUMA1
Product Status active and preferred
Infineon Package
Package Name N/A
Packing Size 5000
Packing Type TAPE & REEL
Moisture Level 2a
Moisture Packing DRY
Lead-free Yes
Halogen Free Yes
RoHS Compliant Yes
Infineon stock last updated:
ea. in stock

Product Status
Active
Infineon Package
Package Name -
Packing Size 5000
Packing Type TAPE & REEL
Moisture Level 2a
Moisture Packing DRY
Lead Free
Halogen Free
RoHS Compliant
ea.
in stock
The TLF4477-3LA is a versatile dual channel low drop out voltage regulator that can efficiently cater to the needs of standard active antennas like FM/AM, DAB, XM, and SIRIUS. Its adjustable output voltage, current monitoring, comprehensive fault indication, and the ability to independently disable outputs for power conservation make it a reliable and flexible solution for various applications in the automotive and communication domains.

Features

  • Integrated current monitor
  • Overvoltage, overtemperature
  • Adjustable output voltage
  • Output current up to 300 mA
  • Adjustable output current limitation
  • Very low current consumption
  • Stable ceramic output capacitor of 1 μF
  • Wide input voltage range going up to 40V
  • Reverse current protection
  • Reverse polarity protection
  • Short circuit protection

Benefits

  • Robust protection features
  • Wide input operation&temperature range
  • Integrated current monitor

Applications

Diagrams

TLF4477-3LA-for-website_2
TLF4477-3LA-for-website_2
TLF4477-3LA-for-website_2 TLF4477-3LA-for-website_2 TLF4477-3LA-for-website_2
TLF4477-3LA-for-website_2 TLF4477-3LA-for-website_2 TLF4477-3LA-for-website_2
TLF4477-3LA-Application-Schematic-for-Website_1 TLF4477-3LA-Application-Schematic-for-Website_1 TLF4477-3LA-Application-Schematic-for-Website_1
TLF4477-3LA-Application-Schematic-for-Website_1 TLF4477-3LA-Application-Schematic-for-Website_1 TLF4477-3LA-Application-Schematic-for-Website_1

Documents

Design resources

Developer community

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