LM3431AMHX/NOPB

National Semiconductor LM3431AMHX/NOPB

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  • LM3431AMHX/NOPB
  • National Semiconductor
  • LM3431 3-CHANNEL CONSTANT CURREN
  • PMIC - LED Drivers
  • LM3431AMHX/NOPB Datasheet
  • 28-PowerTSSOP (0.173\", 4.40mm Width)
  • Bulk
  • Lead free / RoHS CompliantLead free / RoHS Compliant
  • 18779
  • Spot Inventory / Athorized Dstributor / Factory Excess Stock
  • 1 year quality assurance 》
  • Click to get rates
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What is LM3431AMHX/NOPB

National Semiconductor Part Number LM3431AMHX/NOPB（PMIC - LED Drivers）, developed and manufactured by National Semiconductor, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.

LM3431AMHX/NOPB is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.

LM3431AMHX/NOPB Specifications

  • Part NumberLM3431AMHX/NOPB
  • CategoryPMIC - LED Drivers
  • ManufacturerNational Semiconductor
  • DescriptionLM3431 3-CHANNEL CONSTANT CURREN
  • PackageBulk
  • Series-
  • TypeDC DC Controller
  • Operating Temperature-40°C ~ 125°C (TJ)
  • Mounting TypeSurface Mount
  • Package / Case28-PowerTSSOP (0.173\", 4.40mm Width)
  • Supplier Device Package28-HTSSOP
  • TopologyStep-Up (Boost)
  • ApplicationsBacklight
  • Number of Outputs3
  • Voltage - Output-
  • Frequency1MHz
  • Current - Output / Channel-
  • Internal Switch(s)No
  • DimmingAnalog, PWM
  • Voltage - Supply (Max)36V
  • Voltage - Supply (Min)4.5V

Application of LM3431AMHX/NOPB

LED Drivers are widely used in many fields. In the field of lighting, whether it is home, commercial or industrial lighting, LED drivers are the key to achieving efficient and stable LED lighting. By precisely controlling current and voltage, LED drivers can significantly improve the brightness and color temperature stability of LED luminaires, while extending the service life of the luminaires. In addition, in the display, automotive lighting, signal systems and other fields, LED drivers also play an important role. For example, in the display field, the LED driver is responsible for controlling the uniformity and brightness of the backlight to ensure the improvement of the display quality; In the field of automotive lighting, LED drivers provide the necessary current and voltage support to ensure the stability and safety of automotive lighting.

LM3431AMHX/NOPB Datasheet

LM3431AMHX/NOPB Datasheet , Bulk,DC DC Controller,-40°C ~ 125°C (TJ),Surface Mount,28-PowerTSSOP (0.173\", 4.40mm Width),28-HTSSOP,Step-Up (Boost),Backlight,3,1MHz,No,Analog, PWM,36V,4.5V

LM3431AMHX/NOPB Classification

PMIC - LED Drivers

LED Drivers are a kind of power adjustment electronic devices specially designed to drive LED light or LED module components to work properly. It ensures that the LED can emit light stably and efficiently by converting the input power supply (such as mains, low voltage DC, etc.) to the specific voltage and current suitable for the LED to work. The design of the LED driver should fully consider the unique on-off characteristics of the LED PN junction, which can adapt to the power supply voltage and current range is very narrow, and a slight deviation may affect the luminous effect of the LED or even damage the LED chip.

FAQ about PMIC - LED Drivers

  • 1. What is the difference between an LED driver and a ballast?

    LED drivers: Designed specifically for LEDs, they are usually used to adjust the output current to meet the requirements of LEDs.

    Ballasts: Traditionally used for fluorescent lamps or other gas discharge lamps, they control the high voltage at startup and limit the operating current. Although some modern electronic ballasts can also provide constant current, their original design and application areas are different from LED drivers.

  • 2. Does an LED strip require an LED driver?

    Yes, LED strips usually require a suitable driver to provide the correct voltage and current. Especially for long strips, because they are often composed of multiple small LEDs in series or parallel.

  • 3. Can I use an LED light without a driver?

    As mentioned before, in theory yes, but in practice it is strongly recommended to use a proper driver to ensure optimal performance and extend life.

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National Semiconductor
National Semiconductor
On April 4, 2011, TI acquired National Semiconductor.
National Semiconductor is a well-known semiconductor company in the field of analog power management technology.
National Semiconductor was founded on May 27, 1959. Its headquarters is located in California,...
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