For Reference Only
| Part Number | LM3549SQE/NOPB |
| Manufacturer | National Semiconductor |
| Category | Integrated Circuits (ICs) › LED Drivers |
| Description | IC LED DRV RGLTR I2C 24WQFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM3549SQE/NOPB PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 19 - Dec 23 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | LM3549SQE/NOPB |
| Brand: | National Semiconductor |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | LED Drivers |
| Manufacturer: | National Semiconductor |
| 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) |
 |
LM36922HYFFR | IC LED DRV RGLTR I2C 12DSBGA | 58605 More on Order |
 |
TPS61165TDBVRQ1 | IC LED DRV RGLTR PWM SOT23-6 | 34700 More on Order |
 |
TLC5926IDWR | IC LED DRVR LINEAR 120MA 24SOIC | 62608 More on Order |
 |
TPS61050YZGR | IC LED DRV RGLTR PWM 12DSBGA | 84686 More on Order |
 |
BD9412F-GE2 | IC LED DRIVER CTRLR PWM 18SOP | 43079 More on Order |
 |
LT3598EFE#TRPBF | IC LED DRV RGLTR PWM 24TSSOP | 10229 More on Order |
 |
MIC2860-2DYC6-TR | IC LED DRV LIN SGL WR SC70-6 | 94430 More on Order |
 |
A8509GLPTR-T | IC LED DRIVER CTRLR PWM 24TSSOP | 67304 More on Order |
 |
MP4425MGQB-Z | IC LED DRVR RGLTR PWM 1.5A 13QFN | 62256 More on Order |
 |
BD8381EFV-ME2 | IC LED DRIVER CTRLR DIM 28HTSSOP | 19913 More on Order |
 |
TLC5917QDRQ1 | IC LED DRVR LINEAR 120MA 16SOIC | 57631 More on Order |
 |
A6271KLPTR-T | IC LED DRIVER CTRLR PWM 16ETSSOP | 28758 More on Order |
| In Stock | 25414 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $4.46000 | $4.46 |
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
Please feel free to contact us for details.
