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0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LM3402MM by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | Peripheral ICs | 1341 |
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RFQ | |
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Win Source Electronics | LM3402/LM3402HV 0.5A Constant Current Buck Regulator for Driving High Power LEDs | IC LED DRIVER RGLTR DIM 8VSSOP | 89400 |
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$0.9148 / $1.3710 | Buy Now |
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LM3402MM
Texas Instruments
Buy Now
Datasheet
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LM3402MM
Texas Instruments
0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
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Pbfree Code | No | |
Rohs Code | No | |
Part Life Cycle Code | Obsolete | |
Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
Part Package Code | MSOP | |
Package Description | PLASTIC, MSOP-8 | |
Pin Count | 8 | |
Reach Compliance Code | not_compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Samacsys Manufacturer | Texas Instruments |
This table gives cross-reference parts and alternative options found for LM3402MM. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM3402MM, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number | Manufacturer | Composite Price | Description | Compare |
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LM3402MM | National Semiconductor Corporation | Check for Price | IC 0.94 A SWITCHING REGULATOR, PDSO8, PLASTIC, MSOP-8, Switching Regulator or Controller | LM3402MM vs LM3402MM |
The maximum input voltage that can be applied to the LM3402MM is 18V, although it's recommended to keep it below 15V for optimal performance and to prevent overheating.
To ensure the LM3402MM operates within its thermal limits, make sure to provide adequate heat sinking, keep the ambient temperature below 85°C, and avoid high input voltages and output currents that can cause excessive heat generation.
Yes, the LM3402MM is qualified for automotive and high-reliability applications, but it's essential to follow the recommended operating conditions, and ensure that the device is properly soldered and mounted to prevent thermal and mechanical stress.
To minimize EMI and ensure proper operation, follow good PCB layout practices, such as keeping the input and output traces separate, using a solid ground plane, and placing bypass capacitors close to the device. Additionally, ensure that the PCB is designed to minimize radiated emissions and conducted noise.
The recommended input capacitor value is 1-10uF, and it's recommended to use a low-ESR ceramic or film capacitor with a voltage rating of at least 25V. The input capacitor helps to filter out noise and ripple on the input voltage.