For Reference Only
| Part Number | LM2678S-ADJ |
| LIXINC Part # | LM2678S-ADJ |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › PMIC - Voltage Regulators - DC DC Switching Regulators |
| Description | IC REG BUCK ADJ 5A TO263-7 |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM2678S-ADJ 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-ADJ |
| Brand: | Texas Instruments |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | Texas Instruments |
| Series: | SIMPLE SWITCHER® |
| Package: | Tube |
| Part Status: | Not For New Designs |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Output Type: | Adjustable |
| Number of Outputs: | 1 |
| Voltage - Input (Min): | 8V |
| Voltage - Input (Max): | 40V |
| Voltage - Output (Min/Fixed): | 1.21V |
| Voltage - Output (Max): | 37V |
| 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 | 492026 - 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 | $8.06000 | $8.06 |
| 10 | $7.28263 | $72.8263 |
| 45 | $6.94409 | $312.48405 |
| 135 | $6.02944 | $813.9744 |
| 540 | $5.25035 | $2835.189 |
| 1035 | $4.57288 | $4732.9308 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
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