LM3464MH/NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The LM3464MH/NOPB is a 4-channel LED driver IC from Texas Instruments featuring dynamic headroom control and thermal management interfaces for high-efficiency backlighting. It supports up to 12 LED segments per channel and is housed in a 28-pin SOIC package.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 29
- Lifecycle
- ACTIVE
- Datasheet
- LM3464MH/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.9217(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3464MH/NOPB?
- 4-channel LED driver with dynamic headroom control that minimizes power dissipation by continuously optimizing the boost voltage across up to 12 LED segments per channel
- Integrated thermal control interface enabling system-level thermal management and automatic dimming to protect LEDs and extend luminaire lifespan
- 28-pin SOIC package with standard interface compatibility, simplifying drop-in replacement and PCB layout for LCD backlight and general illumination designs
What is LM3464MH/NOPB used for?
The LM3464MH/NOPB is designed for LED backlighting in large-panel LCD displays such as monitors and televisions, where its 4-channel architecture and dynamic headroom control achieve high efficiency across the full dimming range. It is also used in industrial and architectural lighting controllers requiring closed-loop thermal management to maintain reliable LED performance over extended operating life. Its 12-segment-per-channel capacity supports high-density LED string configurations common in professional display and signage applications.
What are the specifications of LM3464MH/NOPB?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Input Characteristics | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Multiplexed Display Capability | NO |
| Number of Channels | 4 |
| Number of Functions | 1 |
| Number of Segments | 12 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP28,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max | 95V |
| Supply Voltage-Min | 12V |
| Supply Voltage-Nom | 48V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.635mm |
| 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 |
Where can I find the LM3464MH/NOPB datasheet?
LM3464MH/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3464MH/NOPB?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many LED channels and segments per channel does the LM3464MH/NOPB support?
The LM3464MH/NOPB drives 4 independent LED channels, each supporting up to 12 LED segments in series, allowing a single IC to manage up to 48 LED segments total for large LCD backlight arrays or multi-zone illumination systems.
How does dynamic headroom control in the LM3464MH/NOPB improve power efficiency in LCD backlight designs?
Dynamic headroom control continuously adjusts the boost converter output voltage to maintain just enough voltage headroom across the LED strings, reducing excess power dissipation by up to 30–40% compared to fixed-voltage drivers, particularly at partial brightness levels common in display operation.
What package does the LM3464MH/NOPB use and how does it affect thermal management on the PCB?
The LM3464MH/NOPB is housed in a 28-pin SOIC package with an exposed thermal pad, which can dissipate heat directly to a PCB copper plane, helping maintain junction temperatures well below the maximum rating during continuous high-current LED drive operation.
When would LM3464MH/NOPB be preferred over a simpler single-channel LED driver in a display backlight?
For displays requiring local-dimming zones or more than 8 series LED segments per string, the LM3464MH/NOPB is preferred because it manages 4 channels independently with per-channel headroom control, enabling contrast enhancement that single-channel drivers with fixed 1 or 2 channels cannot provide.
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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
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $8.5431 | $8.54 |
| 20+ | $3.2464 | $64.93 |
| 50+ | $3.0516 | $152.58 |
| 150+ | $2.9217 | $438.25 |
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