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BCR405UW6 - 50 to 100mA LED CONSTANT CURRENT REGULATOR

General Description

The BCR405UW6 monolithically integrates a transistor, diodes, and resistors to function as a Constant Current Regulator (CCR) for LED driving.

The device regulates with a preset 50mA nominal that can be adjusted with external resistor up to 100mA.

Key Features

  • LED Constant Current Regulator Using PNP Emitter-Follower with Emitter Resistor to Current Limit.
  • IOUT = 50mA ± 10% Constant Current (Preset).
  • IOUT Up to 100mA Adjustable with an External Resistor.
  • VS.
  • 40V Supply Voltage.
  • PD up to 1W in SOT26.
  • LED Dimming Using PWM up to 25kHz.
  • Negative Temperature Coefficient (NTC) Reduces IOUT with Increasing Temperature.
  • Parallel Devices to Increase Regulated Current.
  • Totally Lead-Free & Fully RoHS Compli.

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Other Datasheets by Diodes Incorporated

Part Number Description
BCR405UW6Q 50 to 100mA LED CONSTANT CURRENT REGULATOR
BCR401UW6 10 to 100mA LED CONSTANT CURRENT REGULATOR
BCR401UW6Q 10mA to 100mA LED CONSTANT CURRENT REGULATOR
BCR402UW6 20 to 100mA LED CONSTANT CURRENT REGULATOR
BCR402UW6Q 20 TO 100mA LED CONSTANT CURRENT REGULATOR

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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BCR405UW6 50 TO 100mA LED CONSTANT CURRENT REGULATOR IN SOT26 Description The BCR405UW6 monolithically integrates a transistor, diodes, and resistors to function as a Constant Current Regulator (CCR) for LED driving. The device regulates with a preset 50mA nominal that can be adjusted with external resistor up to 100mA. It is designed for driving LEDs in strings and will reduce current at increasing temperatures to self-protect. Operating as a series linear CCR for LED string current control, it can be used in applications with supply voltages up to 40V. With no need for additional external components, this CCR is fully integrated into the SOT26 package, minimizing PCB area and component count.