|Title||IC LED DRIVER LINEAR SOT26|
Diodes' BCR401U, BCR402U, and BCR405U constant current regulators provide a simple means of driving low current LED strips and panels in commercial and industrial lighting sectors, particularly suiting those applications that benefit from the improved efficiency, flexibility and longer life offered by LEDs as an emerging lighting source.
|Datasheet||Download BCR402UW6-7 datasheet
|Others parts numbering|
The BCR402U monolithically integrates a transistor, diodes and resistors to function as a Constant Current Regulator (CCR) for LED driving. The device regulates with a preset 20mA nominal that can be adjusted with an external resistor 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 to 40V. With no need for additional external components, this CCR is fully integrated into a SOT26 minimizing PCB area and component count.Features
LED Constant Current Regulator Using PNP Emitter-Follower with Emitter Resistor to Current Limit IOUT ± 10% constant current (Preset) IOUT to 100mA adjustable with an external resistor 40V Supply Voltage SOT26/ SC74R LED dimming using PWM to 25kHz Negative temperature coefficient (NTC) reduces Iout with increasing temperature Parallel devices to increase regulated current Totally Lead-Free & Fully RoHS Compliant (Notes & 2) Halogen and Antimony Free. "Green" Device (Note 3)Applications
Constant current regulation (CCR) in: Emergency lighting Signage, advertising, decorative and architectural lighting Retail lighting in fridge, freezer case and vending machines
Case: SOT26 (SC-74) Case Material: Molded Plastic. "Green" Molding Compound. UL Flammability Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020 Terminals: Finish - Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 Weight: 0.018 grams (Approximate)
Pin Function Supply Voltage Regulated Output Current External resistor for adjusting Output Current Power GroundTop View Pin-Out Top View Internal Device Schematic
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated's definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green" products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 4. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
402 = Part Marking (See Ordering Information) YM = Date Code Marking Y = Year (ex: M = Month (ex: 9 = September)Date Code Key Year Code Month Code
Absolute Maximum Ratings (Voltage relative to GND, @TA = +25°C, unless otherwise specified.)
Characteristic Supply Voltage Output Current Output Voltage Reverse voltage between all terminals Symbol VS IOUT VOUT VR Value Unit mA V
Characteristic Power Dissipation Thermal Resistance, Junction to Ambient Thermal Resistance, Junction to Lead (Note 5) (Note 6) (Note 5) (Note 6) (Note 7) Symbol PD RJA RJL TJ , TSTG Value +150 °C Unit mW
Recommended Operating Junction Temperature Range Maximum Operating Junction and Storage Temperature RangeCharacteristics Electrostatic Discharge Human Body Model Electrostatic Discharge Machine Model
5. For a device mounted with the OUT leads 50mm 2oz copper that on a single-sided 1.6mm FR4 PCB; device is measured under still air conditions while operating in steady-state. 6. Same as Note 5, except mounted 15mm 1oz copper. 7. RJL = Thermal resistance from junction to solder-point (at the end of the OUT leads). 8. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
Characteristic Collector-Emitter Breakdown Voltage GND (Enable) Current GND (Enable) Current DC Current Gain Internal Resistor Output Current (nominal) Voltage Drop (VRext) Lowest Sufficient Supply Voltage (VSVOUT) Output Current change vs. Temperature Output Current change vs. Supply Voltage (@TA = +25°C, unless otherwise specified.) Symbol BVCEO IGND hFE Rint IOUT Vdrop VSmin IOUT/IOUT Min Typ Max Unit mA V %/°C %/V = 10V; VOUT= open = 10V; VOUT= = 50mA; VCE = 1V IRint = 20mA VOUT= = 10V IOUT= 20mA IOUT> = 10V Test Condition
|Some Part number from the same manufacture Diodes, Inc.|
Diodes' BCR401U, BCR402U, and BCR405U constant current regulators provide a simple means of driving low current LED strips and panels in commercial and industrial lighting sectors, particularly suiting
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