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Name: LM3401MM/NOPB
Brand: Texas Instruments
SKU: LM3401MM/NOPB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments LM3401MM/NOPB

Part No.:: LM3401MM/NOPB

Manufacturer:: Texas Instruments

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: LM3401MM/NOPB.pdf

Description:: IC LED DRVR CTRLR PWM 1A 8VSSOP

In Stock:: 3343

Quantity:: Add To Cart

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LM3401MM/NOPB Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
DC DC Controller
Topology:
Step-Down (Buck)
InternalSwitch(s):
No
NumberofOutputs:
1
Voltage-Supply(Min):
4.5V
Voltage-Supply(Max):
35V
Voltage-Output:
-
Current-Output/Channel:
1A
Frequency:
1.5MHz
Dimming:
PWM
Applications:
-
OperatingTemperature:
-40°C ~ 125°C (TJ)
MountingType:
Surface Mount

LM3401MM/NOPB this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM3401MM/NOPB price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LM3401MM/NOPB to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LM3401MM/NOPB information

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LM3401MM/NOPB Typical application Circuitry

LM3401MM NOPB

The LM3401MM/NOPB chip is a versatile, high-current LED driver designed for driving high-power LEDs in various lighting applications.Applications involving general illumination, industry, and automobiles are especially well-suited for it. The chip features a wide input voltage range, adjustable current control, and thermal shutdown protection, making it an ideal choice for driving LEDs in a variety of settings.

Application Scenario: Automotive Headlight

One common application of the LM3401MM/NOPB chip is in automotive headlights. In this scenario, the chip is used to drive high-power LEDs to provide bright, energy-efficient lighting for vehicles.

Circuit Design for Automotive Headlight

1. Power Supply: The LM3401MM/NOPB chip operates with an input voltage range of 4.5V to 35V. For automotive applications, a 12V power supply is typically used.

2. LED Connection: Connect the high-power LEDs in series to the SW pin (pin 1) of the LM3401MM/NOPB. Ensure that the total forward voltage of the LEDs does not exceed the input voltage.

3. Current Setting: Use a resistor (R_SENSE) connected between the SENSE pin (pin 2) and GND to set the LED current. The current can be calculated using the formula: I_LED = 0.1V / R_SENSE.

4. Feedback Loop: Connect a feedback resistor (R_FB) from the FB pin (pin 3) to the SENSE pin (pin 2) to stabilize the LED current.

5. Capacitor Connection: Place a bypass capacitor (C_IN) between the VIN pin (pin 4) and GND to filter input voltage noise. Additionally, connect a capacitor (C_OUT) between the SW pin (pin 1) and GND to reduce output voltage ripple.

6. Thermal Protection: Ensure proper heat dissipation for the LM3401MM/NOPB chip by mounting it on a heat sink or a PCB with a large copper area.

Design Points to Take

- Thermal Management: In high-power LED applications, controlling heat is essential. To avoid overheating, make sure the LM3401MM/NOPB and the LEDs have enough heat sinking.

- LED Selection: Select LEDs based on their forward voltage and current ratings, taking into account the LM3401MM/NOPB chip's capabilities.

- Voltage Input: Make sure the input voltage is adequate to drive the connected LEDs and falls within the LM3401MM/NOPB chip's defined range.

In summary, the LM3401MM/NOPB chip is a powerful tool for driving high-power LEDs in applications such as automotive headlights. By carefully designing the circuit and considering thermal management, input voltage, and LED selection, you can effectively utilize this chip in your lighting projects.

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6. What is the process for return or replacement of LM3401MM/NOPB?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM3401MM/NOPB we delivered, we will accept the replacement or return of the LM3401MM/NOPB only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM3401MM/NOPB.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations