LM3402MR/NOPBIn StockTexas Instruments
LM3402MR/NOPB is a 42V 0.5A hysteretic constant-current LED driver from Texas Instruments in MSOP-8 package. Key specs: VIN up to 42V, IOUT 0.5A, -40 to 125 degrees C. From $2.61, in-stock, ships globally.
- Manufacturer
- Texas Instruments
- Package
- MSOP-8
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LM3402MR/NOPB Datasheet PDF
- Category
- power-management
- Price
- From $2.6068(MOQ 67)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 42V wide input range for automotive and industrial LED lighting
- 0.5A constant current output with hysteretic control, no compensation needed
- MSOP-8 compact package (MR suffix), RoHS/Pb-free (NOPB), -40 to 125 degrees C
- Simple design: minimal external components, fast transient response
- Suits automotive 36V bus, 12V/24V industrial, and portable lighting
Applications
LM3402MR/NOPB is widely used in automotive interior/exterior LED lighting, industrial indicator panels, and architectural LED strips where a wide input voltage range (up to 42V) and accurate constant-current control are required. It also suits battery-powered portable lighting and backlighting applications needing compact footprint.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Multiplexed Display Capability | NO |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Number of Segments | 1 |
| Output Characteristics | CONSTANT-CURRENT |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max | 42V |
| Supply Voltage-Min | 6V |
| Supply Voltage-Nom | 24V |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## LM3402MR/NOPB Alternates Showing results | Image |
| Package | MSOP-8 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3402MR/NOPB:
Frequently Asked Questions
What is the maximum input voltage of the LM3402MR/NOPB?
The LM3402MR/NOPB supports a maximum input voltage of 42V, making it suitable for 12V, 24V, and automotive 36V bus systems. The minimum input voltage is typically 3V above the LED string forward voltage.
What package does the LM3402MR/NOPB use and how many pins does it have?
The LM3402MR/NOPB uses an MSOP-8 (MR suffix) package with 8 pins. Its compact footprint is ideal for space-constrained PCB designs in automotive and industrial lighting applications.
Is the LM3402MR/NOPB RoHS compliant?
Yes. The NOPB suffix designates a lead-free, RoHS-compliant version. It meets EU RoHS Directive requirements and is suitable for consumer, industrial, and automotive end products requiring Pb-free components.
What are common alternatives or substitutes for the LM3402MR/NOPB?
Compatible alternatives include the LM3404MR/NOPB (higher 1A output current, same package) and LM3402MM/NOPB (SOT-23-6 package variant). Always verify pin compatibility and voltage/current ratings before substituting.
What is the operating temperature range of the LM3402MR/NOPB?
The LM3402MR/NOPB is rated for -40 to 125 degrees Celsius, covering both commercial and extended industrial/automotive temperature grades, making it robust for demanding environments.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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