For Reference Only
| Part Number | LM3549SQ/NOPB |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) › LED Drivers |
| Description | IC LED DRV RGLTR I2C 24WQFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM3549SQ/NOPB PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 12 - Dec 16 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | LM3549SQ/NOPB |
| Brand: | Texas Instruments |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | LED Drivers |
| Manufacturer: | Texas Instruments |
| Product Status: | Active |
| Type: | DC DC Regulator |
| Topology: | Step-Down (Buck), Step-Up (Boost) |
| Internal Switch(s): | Yes |
| Number of Outputs: | 3 |
| Voltage - Supply (Min): | 2.7V |
| Voltage - Supply (Max): | 5.5V |
| Voltage - Output: | 4.6V |
| Current - Output / Channel: | 705mA |
| Frequency: | 2.4MHz |
| Dimming: | I²C |
| Applications: | - |
| Operating Temperature: | -30°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 24-WFQFN Exposed Pad |
| Supplier Device Package: | 24-WQFN (4x4) |
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| In Stock | 19434 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $4.81600 | $4.816 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
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