LM3429MHX/NOPBIn StockTexas Instruments
LM3429MHX/NOPB is a high-efficiency N-Channel MOSFET controller for constant current LED drivers, featuring 1-channel control, wide input voltage range, and hysteretic regulation. From $1.36, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- LM3429MHX/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3600(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- N-Channel MOSFET gate driver for constant current LED control with hysteretic regulation
- Single-channel architecture supporting wide input voltage range for flexible LED system design
- SOIC-14 small outline package enabling compact PCB layout in space-constrained applications
- Integrated enable pin and adjustable current setpoint for precise LED brightness management
- RoHS compliant (Pb-free, e3 rated) meeting modern environmental and reliability standards
Applications
The LM3429MHX/NOPB is widely used in high-brightness LED driver circuits for industrial and architectural lighting, where constant current regulation is critical for consistent luminous output. It is well suited for automotive interior and exterior lighting systems requiring robust performance across wide voltage ranges. Additionally, this controller targets backlighting applications in commercial displays and signage, delivering stable LED drive currents with minimal external components.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Input Characteristics | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-G14 |
| 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 Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max | 75V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 14V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3429MHX/NOPB:
Frequently Asked Questions
What is the input voltage range of the LM3429MHX/NOPB?
The LM3429MHX/NOPB supports a wide input voltage range suitable for both 12V and 24V LED lighting systems. The device operates with input voltages typically from 4.5V up to 75V, making it versatile for industrial, automotive, and architectural LED driver applications.
What package does the LM3429MHX/NOPB come in and what are its dimensions?
The LM3429MHX/NOPB is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package, JESD-30 code R-PDSO-G14. This compact surface-mount package facilitates high-density PCB designs and is compatible with standard SMT assembly processes, making it ideal for space-constrained LED driver boards.
What are typical applications for the LM3429MHX/NOPB?
The LM3429MHX/NOPB is designed for constant current LED driver circuits in high-brightness and general illumination applications. Typical uses include industrial and architectural LED lighting, automotive exterior and interior lighting, commercial display backlighting, and any system requiring precise, stable LED current regulation with an N-Channel MOSFET switch.
Is the LM3429MHX/NOPB RoHS compliant?
Yes, the LM3429MHX/NOPB is fully RoHS compliant. It carries a Pb-free (lead-free) designation with JESD-609 code e3, meeting the European Union RoHS directive and other global environmental regulations, making it suitable for modern eco-friendly electronic product designs.
What is the price and availability of the LM3429MHX/NOPB?
The LM3429MHX/NOPB is priced from approximately $1.36 per unit and is available from authorized Texas Instruments distributors worldwide. It supports global shipping and is stocked by major electronics distributors, ensuring reliable supply for both prototype and production volume requirements.
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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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