The LM3402MR/NOPB is a 0.5A constant current buck regulator designed specifically for driving high power LEDs. It features an integrated N-channel MOSFET and operates within an input voltage range of 6V to 42V. The device is suitable for various applications, including automotive, industrial, and general lighting. It supports PWM dimming and includes protections such as thermal shutdown and cycle-by-cycle current limit. The LM3402MR/NOPB is available in an 8-pin SO PowerPAD package, which aids in thermal management. This regulator does not require external control loop compensation, simplifying the design process for engineers.
0.5A Constant Current Buck Regulator for High Power LED Drivers 8-SO PowerPAD
42V 0.5A Buck LED Driver IC, 1MHz, SOP Product overview: LM3402MR/NOPB from Texas Instruments is a LED Driver IC for LED lighting, display backlights, indicator control, automotive lighting, signage, and regulated current drive circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Buck, 42V, 0.5A, 1MHz. Search-friendly keywords include LED driver IC, constant current, lighting control, display backlight, Buck, 42V, 0.5A, 1MHz, External/Internal LED Drivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 137-LM3402MR/NOPB can be used for catalog matching and distributor lookup.
Manufacturer: Texas Instruments
Win Source Part Number: 1198751-LM3402MR/NOP
Packaging: Tube
Type: DC DC Regulator
Mounting Style: SMD
Applications: Lighting
Voltage - Output: 40V
Frequency: 1MHz
Current - Output / Channel: 500mA
Internal Switch(s): Yes
Topology: Step-Down (Buck)
Dimming: PWM
Categories: Integrated Circuits
Supplier Device Package: 8-SO PowerPad
Temperature Range - Operating: -40°C ~ 125°C
Manufacturer Homepage: www.ti.com
Manufacturer Package: 8-PowerSOIC
Popularity: Medium
Fake Threat In the Open Market: 33 pct.
Supply and Demand Status: Limited
Family Part Number: LM3402
Manufacturer Pack Quantity: 95
MSL Level: 3 (168 Hours)
Voltage - Supply (Minimum): 6V
Voltage - Supply (Maximum): 42V
LED Driver IC 1 Output DC DC Regulator Step-Down (Buck) PWM Dimming 500mA 8-SO PowerPad
IC, BUCK REG, 6-42V, 0.5A, 8PSOP; Device Topology:Non Isolated Buck, Constant Current; Input Voltage Min:6V; Input Voltage Max:42V; Output Voltage Max:40V; Output Current Max:500mA; Switching Frequency:1MHz; No. of Outputs:1Outputs; RoHS Compliant: Yes
IC LED DRVR RGLTR DIM 500MA 8SO
IC LED DRV RGLTR PWM 8SOPWRPAD
| Texas Instruments | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Newark, An Avnet Company | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers |
| Product Number | LM3402MR/NOPB | 137-LM3402MR/NOPB | 1198751-LM3402MR/NOPB | LM3402MR/NOPB-ND | 29AH6312 | LM3402MR/NOPB | LM3402MR/NOPB |
| Product Name | LM3402 0.5A Constant Current Buck Regulator for High Power LED Drivers | Buck 42V 0.5A 1MHz LED Driver IC | PMIC - PMIC - LED Drivers - LM3402MR/NOPB | LED Drivers | Ic, Buck Reg, 6-42V, 0.5A, 8Psop; Device Topology Texas Instruments | PMIC - LED Drivers | Integrated Circuits (ICs) - Power Management (PMIC) - LED Drivers |
| Form Factor | Intgrated Circuit (IC) | Intgrated Circuit (IC) | Intgrated Circuit (IC) | Intgrated Circuit (IC) | |||
| Type | Dimmable | Constant Current | Dimmable | ||||
| Input Voltage | 6 to 42 volts | 6 to 42 volts | 6 to 42 volts | 6 to 42 volts | |||
| Output Voltage | 0.2000 to 40 volts | 40 volts | 40 volts | 40 volts | 40 volts |
