For Reference Only
| Part Number | L4974A |
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits (ICs) › Voltage Regulators - DC DC Switching Regulators |
| Description | IC REG BUCK ADJ 3.5A 20DIP |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | L4974A PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 08 - Dec 12 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | L4974A |
| Brand: | STMicroelectronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | STMicroelectronics |
| Product Status: | Last Time Buy |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Output Type: | Adjustable |
| Number of Outputs: | 1 |
| Voltage - Input (Min): | 15V |
| Voltage - Input (Max): | 50V |
| Voltage - Output (Min/Fixed): | 5.1V |
| Voltage - Output (Max): | 40V |
| Current - Output: | 3.5A |
| Frequency - Switching: | 100kHz ~ 200kHz |
| Synchronous Rectifier: | No |
| Operating Temperature: | -40°C ~ 150°C (TJ) |
| Mounting Type: | Through Hole |
| Package / Case: | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package: | 20-PowerDIP |
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| In Stock | 7957 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 | $10.67000 | $10.67 |
| 20 | $9.64300 | $192.86 |
| 100 | $7.98330 | $798.33 |
| 500 | $6.95176 | $3475.88 |
| 1000 | $6.05475 | $6054.75 |
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.
