LM3551SD/NOPBIn StockTexas Instruments
LM3551SD/NOPB is a high-efficiency white LED driver IC from Texas Instruments featuring boost topology and LLP-14 package. It supports up to 10 LEDs in series with integrated current regulation and PWM dimming control. From $1.01 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 15
- Lifecycle
- OBSOLETE
- Datasheet
- LM3551SD/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0163(MOQ 3000)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High-efficiency boost converter topology for white LED backlighting applications
- Integrated PWM dimming control with adjustable brightness via external signal
- Supports up to 10 series-connected white LEDs with precision current regulation
- Compact LLP-14 small outline no-lead package for space-constrained designs
- Wide input voltage range suitable for battery-powered portable devices
Applications
The LM3551SD/NOPB is ideally suited for LCD backlight applications in smartphones, tablets, and portable consumer electronics. Its boost topology efficiently drives white LED strings from low battery voltages, making it a preferred choice for handheld devices and wearables. The IC also finds use in automotive display backlighting and industrial HMI panels requiring stable, dimmable white LED illumination.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-N14 |
| JESD-609 Code | e3 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC14,.16,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3551SD/NOPB:
Frequently Asked Questions
What is the LM3551SD/NOPB and what type of driver is it?
The LM3551SD/NOPB is a white LED driver IC from Texas Instruments based on a boost converter topology. It is designed to drive white LED strings for LCD backlighting, operating in an LLP-14 small outline no-lead package and supporting precision current regulation for consistent brightness.
What are the key electrical specifications of the LM3551SD/NOPB?
The LM3551SD/NOPB supports driving up to 10 series-connected white LEDs with integrated current regulation. It features PWM dimming control, a peak reflow temperature of 260°C, and is packaged in a 14-pin SOLCC small outline no-lead package measuring 0.16 x 20 mm equivalent footprint.
What applications is the LM3551SD/NOPB best suited for?
The LM3551SD/NOPB is best suited for white LED backlighting in smartphones, tablets, portable media players, and other battery-powered devices. Its efficient boost topology allows it to drive multiple LEDs from low supply voltages, making it ideal for handheld consumer electronics and automotive display panels.
Is the LM3551SD/NOPB RoHS compliant and what does the NOPB suffix mean?
The NOPB suffix indicates that the LM3551SD/NOPB is a lead-free (No Lead, Pb-free) version compliant with RoHS environmental regulations. It uses a plastic/epoxy package body material and has a JESD-609 code of e3, confirming its compliance with green electronics standards and suitability for modern manufacturing.
Where can I buy the LM3551SD/NOPB and what is the price?
The LM3551SD/NOPB is available from FindMyChip with pricing starting from approximately $1.01 per unit. It is in stock with worldwide shipping available. You can submit a quote request on FindMyChip to get competitive pricing based on your required quantity.
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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.
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| Qty. | Unit Price | Ext. Price |
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| 3000+ | $1.0415 | $3124.65 |
| 5000+ | $1.0256 | $5128.00 |
| 7000+ | $1.0163 | $7113.89 |
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