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TLE4309G
  • TLE4309G

TLE4309G

The TLE4309 is an integrated adjustable constant current source for driving loads up to 500 mA. The output current level can be adjusted with an external shunt resistor. Supplying high power LEDs with the TLE4309 ensures constant brightness independent from supply voltage or LED forward voltage spread. Therefore, LED lifetime is extended by protecting from overcurrent and overtemperature. The TLE4309G is provided in the surface mounted PG-TO-263 package with excellent thermal resistance.

Infineon Technologies TLE4309G Product Info

16 April 2026 0

Parameters

Budgetary Price €/1k

0.82

Iout max

500 mA

Iout

500 mA

Type

Linear

Vdrop

0.35 V

VS range

4.5 V to 24 V

Features

  • Adjustable constant current up to 500 mA
  • Operating supply voltage range 4.5 V to 24 V
  • Maximum supply voltage up to 45 V
  • Low dropout voltage
  • PWM / ENABLE input
  • << 1 μA quiescent current when disabled
  • Overtemperature protection
  • Short circuit proof
  • Reverse polarity protection
  • Operating junction temperature range: -40 °C to 150 °C
  • Suitable for applications up to 85 °C ambient temperature.
  • Green Product (RoHS compliant)

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