LM3409HVMY/NOPBIn StockTexas Instruments
LM3409HVMY/NOPB is a high-voltage PFET buck controller from Texas Instruments designed for high-power LED drivers. It supports up to 75V input, 5A average output current, and operates in hysteretic control mode. Ideal for automotive lighting, industrial LED arrays, and high-brightness display backlighting. Available in a compact 10-pin MSOP-EP package.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- LM3409HVMY/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High-voltage PFET buck controller supporting up to 75V input, suitable for demanding automotive and industrial applications
- Hysteretic current-mode control delivers fast transient response and simplifies loop compensation design
- Drives external PFET for up to 5A average LED current with accurate current regulation
- Wide input range and integrated gate driver reduce external component count in LED driver circuits
- 10-pin MSOP-EP package with exposed pad for enhanced thermal performance in space-constrained designs
Applications
The LM3409HVMY/NOPB is widely used in high-power LED driver circuits for automotive front lighting, fog lamps, and interior illumination where a wide input voltage range is essential. It also serves industrial and architectural lighting systems requiring precise, stable LED current regulation across varying supply conditions. Additionally, it is applied in high-brightness display backlighting and signage where efficient step-down conversion and compact packaging are priorities.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Input Characteristics | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | S-PDSO-G10 |
| 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 | TSSOP10,.19,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max | 42V |
| Supply Voltage-Min | 6V |
| Supply Voltage-Nom | 24V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## LM3409HVMY/NOPB Alternates Showing results | Image |
| Package | Small Outline Packages |
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 LM3409HVMY/NOPB:
Frequently Asked Questions
What is the input voltage range of the LM3409HVMY/NOPB?
The LM3409HVMY/NOPB supports an input voltage range from 6V to 75V, making it suitable for automotive 12V/24V systems and industrial power supplies where the supply voltage can vary widely.
What type of control topology does the LM3409HVMY/NOPB use?
The LM3409HVMY/NOPB uses hysteretic current-mode control, which eliminates the need for external loop compensation, simplifies PCB design, and provides fast transient response for stable LED current regulation.
What are typical applications for the LM3409HVMY/NOPB?
Typical applications include high-power LED drivers for automotive lighting (headlights, fog lamps), industrial and architectural lighting, high-brightness display backlighting, and any system requiring efficient step-down LED current regulation from a high-voltage supply.
What package does the LM3409HVMY/NOPB come in and what are its dimensions?
The LM3409HVMY/NOPB is housed in a 10-pin MSOP-EP (Mini Small Outline Package with Exposed Pad) package, which provides a compact footprint and improved thermal dissipation through the exposed pad on the underside.
Can the LM3409HVMY/NOPB drive multiple LEDs in series?
Yes, the LM3409HVMY/NOPB can drive multiple LEDs connected in series. The output voltage is set by the LED forward voltage stack, while the controller regulates average LED current up to 5A through the external PFET switch.
Related Guides
Ultra Low Power Microcontroller Comparison 2026: STM32L4 vs MSP430 vs MSP432 vs CC2640
Engineer-grade 2026 comparison of ultra-low-power MCUs — STM32L476, MSP430A139, MSP432P401R, CC2640F128 across standby current, active current, and battery life.
May 5, 2026
BOM Cost Reduction: 7 Strategies for Electronics Manufacturers in 2026
Practical 2026 BOM optimization playbook — 7 proven strategies, ranked by payback time and risk. With realistic per-unit savings and verification steps.
May 5, 2026
STM32F072C8T6 Pin-Compatible Alternatives 2026: Cheaper Drop-In Options Compared
Engineer-grade compatibility analysis for STM32F072C8T6 alternatives in 2026 — pin compatibility, firmware portability, cost and lead time for each option.
May 5, 2026
Top Microcontrollers for IoT 2026: ESP32 vs Arduino vs STM32 vs RPi Pico
The five IoT MCU platforms compared on 2026 pricing, lead time, and use case — ESP32-S3, Arduino, STM32F0, RP2040, TI CC2640/CC1352P.
May 5, 2026
Why Buy from FindMyChip
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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”