For Reference Only
| Part Number | LM2678S-3.3 |
| LIXINC Part # | LM2678S-3.3 |
| Manufacturer | Rochester Electronics |
| Category | Integrated Circuits › PMIC - Voltage Regulators - DC DC Switching Regulators |
| Description | SWITCHING REG, VOLTAGE-MODE, 8.7 |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM2678S-3.3 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 25 - Jan 29 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | LM2678S-3.3 |
| Brand: | Rochester Electronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | Rochester Electronics |
| Series: | SIMPLE SWITCHER® |
| Package: | Bulk |
| Part 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: | 5A |
| Frequency - Switching: | 260kHz |
| Synchronous Rectifier: | No |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA |
| Supplier Device Package: | DDPAK/TO-263-7 |
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| In Stock | 10876 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $4.73208 | $4.73208 |
| 10 | $4.27568 | $42.7568 |
| 45 | $4.07692 | $183.4614 |
| 135 | $3.53993 | $477.89055 |
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