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The MAX16839ATT/V programmable current regulator operates over a 5V to 40V input voltage range and features an open drain, constant current draw output that provides a 100mA output drive.The MAX16839ATT/V is ideally suited for automotive applications as well as applications requiring a general purpose linear LED driver. The device can directly withstand automotive throw loads up to 45V.

The built-in regulator reduces the number of external components while providing ±5% output current accuracy. the MAX16839ATT/V includes a dimming input to control the duty cycle of the output current, allowing a wide LED dimming range. In addition, the dimming input can be used as an on/off control of the output current. In multi-string LED applications, the dimming input synchronises the LED drive current on to ensure uniform LED string brightness.

Other features include thermal protection and an open LED fault detection output. In multi-string LED applications, all FLTS pins are connected together to immediately switch off all LED strings when an open circuit is detected in one of the strings, and the open LED detection also features a fault memory to avoid flickering of the LEDs during subsequent power-ups.

Product Attributes

Type: Linear  

Internal Switch: Yes  

Number of outputs 1  

Voltage - supply (minimum): 5V  

Voltage - Supply (Max): 40V   

Current - Output/Channel: 100mA  

Dimming: PWM  

Applications: Automotive, Lighting, Signage  

Operating Temperature: -40°C ~ 125°C (TA)  

Mounting Type: Surface Mount  

Package/Shell: 6-WDFN Exposed Pad  

Supplier Device Package: 6-TDFN (3x3)

Typical Applications

Automotive exterior lights: turn signals, brake lights, taillights, and signage lights

Automotive interior lights: dashboard and warning lights, dome lights and map lights

General lighting: signal lights, LED lights

Truck, train, aircraft, emergency vehicle LED lights

• 1.Is the inventory and price seen on the platform accurate?

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• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

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