LM3405AXMY Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LM3405AXMY is a constant current buck LED driver from Texas Instruments. It delivers up to 1A output current with integrated 0.5Ω MOSFET switch and operates from 3V to 20V input. Ideal for LED lighting, backlighting, and portable displays. Available in SOT-23-5 package with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM3405AXMY Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Constant current output up to 1A for stable LED brightness control
- Wide input voltage range: 3V to 20V for flexible power supply compatibility
- Integrated 0.5Ω N-channel MOSFET switch reduces external component count
- High switching frequency up to 1.6MHz enables compact, low-profile designs
- SOT-23-5 package ideal for space-constrained LED driver applications
Applications
The LM3405AXMY is well-suited for LED backlighting in LCD panels, portable consumer electronics, and handheld devices requiring compact and efficient constant-current LED drivers. It is also widely used in automotive interior lighting, industrial indicator lighting, and general solid-state lighting applications where precise current regulation and high efficiency are essential.
Specifications
| YTEOL | 0 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3405AXMY:
Frequently Asked Questions
What is the input voltage range of the LM3405AXMY?
The LM3405AXMY operates from a 3V to 20V input voltage range, making it suitable for a wide variety of battery-powered and regulated supply applications including single-cell Li-Ion, multi-cell alkaline, and 12V/15V adapter supplies.
What is the maximum output current the LM3405AXMY can deliver?
The LM3405AXMY can deliver up to 1A of continuous output current. It achieves this with an integrated 0.5Ω N-channel MOSFET switch, eliminating the need for an external switching transistor and reducing overall component count.
What are the typical applications for the LM3405AXMY?
The LM3405AXMY is designed for LED lighting applications including architectural lighting, industrial lighting, LCD backlighting for portable devices, and handheld displays. Its constant current regulation ensures consistent LED brightness regardless of input voltage variations.
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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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