
Deep-Dive with AI
Search across all available documentation for this part.
DocumentsDatasheet

Deep-Dive with AI
DocumentsDatasheet
Technical Specifications
Parameters and characteristics for this part
| Specification | L4973D5.1 |
|---|---|
| Current - Output | 3.5 A |
| Frequency - Switching [Max] | 300 kHz |
| Frequency - Switching [Min] | 100 kHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 150 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Type | Adjustable (Fixed) |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SO |
| Synchronous Rectifier | False |
| Topology | Buck |
| Voltage - Input (Max) [Max] | 55 V |
| Voltage - Input (Min) [Min] | 8 V |
| Voltage - Output (Max) [Max] | 50 V |
| Voltage - Output (Min/Fixed) | 5.1 V |
| Part | Voltage - Input (Max) [Max] | Frequency - Switching [Min] | Frequency - Switching [Max] | Synchronous Rectifier | Current - Output | Operating Temperature [Min] | Operating Temperature [Max] | Voltage - Output (Max) [Max] | Voltage - Input (Min) [Min] | Output Configuration | Number of Outputs | Topology | Supplier Device Package | Package / Case | Output Type | Voltage - Output (Min/Fixed) | Voltage - Output (Min/Fixed) [Min] | Function | Mounting Type | Package / Case | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
STMicroelectronics | 55 V | 100 kHz | 300 kHz | 3.5 A | -40 °C | 150 °C | 50 V | 8 V | Positive | 1 | Buck | 20-SO | 20-SOIC (0.295" 7.50mm Width) | Adjustable (Fixed) | 3.3 V | 0.5 V | Step-Down | Surface Mount | |||
STMicroelectronics | 55 V | 100 kHz | 300 kHz | 3.5 A | -40 °C | 150 °C | 50 V | 8 V | Positive | 1 | Buck | 20-SO | 20-SOIC (0.295" 7.50mm Width) | Adjustable (Fixed) | 5.1 V | Step-Down | Surface Mount | ||||
STMicroelectronics | 55 V | 100 kHz | 300 kHz | 3.5 A | -40 °C | 150 °C | 50 V | 8 V | Positive | 1 | Buck | 18-DIP | 18-DIP | Adjustable (Fixed) | 3.3 V | 0.5 V | Step-Down | Through Hole | 0.3 in | 7.62 mm | |
STMicroelectronics | 55 V | 100 kHz | 300 kHz | 3.5 A | -40 °C | 150 °C | 50 V | 8 V | Positive | 1 | Buck | 20-SO | 20-SOIC (0.295" 7.50mm Width) | Adjustable (Fixed) | 5.1 V | Step-Down | Surface Mount | ||||
STMicroelectronics | 55 V | 100 kHz | 300 kHz | 3.5 A | -40 °C | 150 °C | 50 V | 8 V | Positive | 1 | Buck | 20-SO | 20-SOIC (0.295" 7.50mm Width) | Adjustable (Fixed) | 3.3 V | 0.5 V | Step-Down | Surface Mount |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | N/A | 0 | $ 2.96 | |
Description
General part information
L4973 Series
Buck Switching Regulator IC Positive Adjustable (Fixed) 5.1V (5.1V) 1 Output 3.5A 20-SOIC (0.295", 7.50mm Width)
Documents
Technical documentation and resources