Diodes Incorporated BCR42xUW6 Linear LED Constant Current Regulators
Diodes Inc. BCR42xUW6 Linear LED Constant Current Regulators integrate a transistor, diode and resistor to function as a Constant Current Regulator (CCR). The BCR42xUW6 regulate with a preset 10mA nominal that can be adjusted with an external resistor up to 350mA. It's designed for driving LEDs in strings and will reduce current at increasing temperatures to self-protect.
Features
- LED constant current regulator using NPN emitter-follower with emitter resistor to current limit
- Iout = 10mA ± 10% constant current (Preset)
- Iout up to 350mA adjustable with an external resistor
- Vout= 40V Supply voltage
- Pd up to 1W in SOT26 (SC-74)
- Low-side control enabling PWM input < 10kHz (BCR421U)
- Negative temperature coefficient (NTC) reduces IOUT with increasing temperature
- Parallel devices to increase regulated current
Applications
- Mood lighting
- Emergency lighting strips
- Advertising signage
- Retail refrigeration
- Vending machines
- Architectural lighting strips
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Pin Configuration
Veröffentlichungsdatum: 2015-05-07
| Aktualisiert: 2022-03-11