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L4973V3.3
| Category |
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Business
| Other Names | 497-1413-5 | Product Category | Voltage Regulators - Switching Regulators |
| Standard Package | Rail / Tube | Factory Pack Quantity | 20 |
| Standard Package Name | PDIP | ||
Compliance
| RoHS | Lead free / RoHS Compliant | EU RoHS | Compliant |
| Automotive | NO | Leadfree Defin | RoHS-conform |
Electrical
| Frequency | 100000 Hz | Efficiency | 85(Typ) % |
| Output Type | Adjustable | Regulator Type | Buck Controller |
| Voltage Rating | 0.5 to 50 V | Line Regulation | 10 mV |
| Load Regulation | 25 mV | Current - Output | 3.5 A |
| Voltage - Supply | 8 to 55 V | Number of Outputs | 1 |
| Current - Output 1 | 3.5 A | Switching Regulator | Yes |
| Current Rating (Max) | 3.5A | Frequency - Switching | 300 kHz |
| Synchronous Rectifier | No | Voltage - Input (Min) | 3.3V, 0.5 V ~ 50 V |
| Voltage - Output (Max) | 3.46 V | Voltage Regulation - Load | 10 mV |
| Voltage - Output (Min/Fixed) | 3.26 V | ||
Mechanical
| Width | 7.1mm | Height | 5.1mm |
| Length | 24.8mm | Weight | 2.54 g |
| Packaging | Tube | Lead Style | Through Hole |
| Mounting Type | Through Hole | Mounting Style | Through Hole |
| Number of Pins | 18 | Package / Case | 18PDIP |
| Package Cooled | PDIP | Package Quantity | PDIP |
| Size / Dimension | 24.8 x 7.1 x 5.1mm | Number of Positions | 18 |
| Supplier Device Package | 18-DIP | ||
Product Info
| Spg | 40 | Type | Step Down |
| Series | L4973 | Function | Regulator |
| Topology | Step-Down (Buck) | Manufacturer | STMicroelectronics |
| Number of Units | 1 | Function - Lighting | 降压控制器 |
Environmental
| Operating Temperature | -40 to 150 °C | Maximum Temperature Limit | 150 °C |
Documents & Media
PDF Document
PDF Document
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Sourcing & traceability
- Datasheet
- CD00000188.pdf
Lot-level traceability (date code, original factory packaging) is confirmed on every quote and shipment.