For Reference Only
| Part Number | L4973D3.3 |
| LIXINC Part # | L4973D3.3 |
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits › PMIC - Voltage Regulators - DC DC Switching Regulators |
| Description | IC REG BUCK ADJ/3.3V 3.5A 20SO |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | L4973D3.3 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 26 - Jan 30 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | L4973D3.3 |
| Brand: | STMicroelectronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | STMicroelectronics |
| Series: | - |
| Package: | Tube |
| Part Status: | Active |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Output Type: | Adjustable (Fixed) |
| Number of Outputs: | 1 |
| Voltage - Input (Min): | 8V |
| Voltage - Input (Max): | 55V |
| Voltage - Output (Min/Fixed): | 0.5V (3.3V) |
| Voltage - Output (Max): | 50V |
| Current - Output: | 3.5A |
| Frequency - Switching: | 100kHz ~ 300kHz |
| Synchronous Rectifier: | No |
| Operating Temperature: | -40°C ~ 150°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package: | 20-SO |
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| In Stock | 11920 - 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 | $4.52000 | $4.52 |
| 400 | $2.62946 | $1051.784 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
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