For Reference Only
| Part Number | LM2673T-3.3 |
| Manufacturer | National Semiconductor |
| Category | Integrated Circuits (ICs) › Voltage Regulators - DC DC Switching Regulators |
| Description | 5.4A, 280KHZ SWITCHING FREQ-MAX |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM2673T-3.3 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 07 - Dec 11 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | LM2673T-3.3 |
| Brand: | National Semiconductor |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | National Semiconductor |
| Product Status: | Active |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Output Type: | Fixed |
| Number of Outputs: | 1 |
| Voltage - Input (Min): | 8V |
| Voltage - Input (Max): | 40V |
| Voltage - Output (Min/Fixed): | 3.3V |
| Voltage - Output (Max): | - |
| Current - Output: | 3A |
| Frequency - Switching: | 260kHz |
| Synchronous Rectifier: | No |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Through Hole |
| Package / Case: | TO-220-7 Formed Leads |
| Supplier Device Package: | TO-220-7 |
 |
LT1376HVCS8#TRPBF | IC REG BUCK SEPIC ADJ 1.5A 8SOIC | 15677 More on Order |
 |
ADP2164ACPZ-R7 | IC REG BUCK ADJ 4A 16LFCSP | 18567 More on Order |
 |
XC9235A31CMR-G | 600MA SYNCHRONOUS STEP-DOWN DCDC | 33289 More on Order |
 |
XC9141A38CMR-G | 0.8A SYNCHRONOUS STEP-UP DC/DC C | 85302 More on Order |
 |
LTC3129IUD-1#TRPBF | IC REG BCK BST PROG 200MA 16QFN | 15560 More on Order |
 |
XC9237B1FDMR-G | 600MA SYNCHRONOUS STEP-DOWN DCDC | 81070 More on Order |
 |
LT3990EMSE-5#PBF | IC REG BUCK 5V 350MA 16MSOP | 15526 More on Order |
 |
LTC1174CS8-3.3#PBF | IC REG BUCK BST 3.3V 8SOIC | 10882 More on Order |
 |
MAX686EEE+ | IC REG BOOST ADJ 600MA 16QSOP | 12913 More on Order |
 |
ISL65426HRZ | IC REG BUCK ADJ 6A DL 50QFN | 14634 More on Order |
 |
MAX680ESA+T | IC REG CHARGE PUMP 2VIN 8SOIC | 18324 More on Order |
 |
LT8580HMS8E#TRPBF | IC REG MULT CONFG ADJ 1.2A 8MSOP | 24610 More on Order |
| In Stock | 35682 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 | $2.48000 | $2.48 |
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.
