STMicroelectronics · Other integrated circuits
L4973D3.3-013TR
IC REG BUCK ADJ/3.3V 3.5A 20SO
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L4973D3.3-013TR specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | L4973D3.3-013TR |
| Family | Other integrated circuits |
| Package | 20-SOIC (0.295", 7.50mm Width) |
| Product 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 |
Documents and evidence
L4973D3.3-013TR ↗Catalog sources
www.ic-components.com · L4973D3.3-013TR ↗Source directory identity match; source detail pending. Specifications remain from existing catalog.
Before sourcing L4973D3.3-013TR
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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