Linear current stabilizers for LED lighting Infineon BCR3, BCR4. Free Technical Library News

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Linear current regulators for LED lighting Infineon BCR3, BCR4

18.09.2016

Infineon's BCR series linear regulators are ideal for driving LED currents from 10mA to 250mA and are the best choice for low to medium power general purpose luminaires.

This solution is cost-effective, requires only a few additional components, and takes up minimal space on the device's circuit board. The light output level can be adjusted with an external resistor. PWM control is supported by a microcontroller or an external digital transistor.

Chips are presented in miniature packages SOT143, SOT343 and SC74. Among the high-power regulators, Infineon also produces the TLE4309G model in a package with a TO263 heatsink.

A feature of Infineon regulators is the negative temperature dependence of the output current, which allows you to extend the life of the LEDs by reducing the current through the LEDs at high ambient temperatures.

Applications for low-power drivers are advertising signs and letters, LED strips for decorative lighting, vehicle lighting, household appliances, architectural lighting, and much more.

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