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| Part Number | L4974A | L4975A | L4970A | L4972A |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Last Time Buy | Active | Active | Last Time Buy |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 15V | 15V | 15V | 15V |
| Voltage - Input (Max) | 50V | 50V | 50V | 50V |
| Voltage - Output (Min/Fixed) | 5.1V | 5.1V | 5.1V | 5.1V |
| Voltage - Output (Max) | 40V | 40V | 40V | 40V |
| Current - Output | 3.5A | 5A | 10A | 2A |
| Frequency - Switching | 100kHz ~ 200kHz | 200kHz ~ 500kHz | 200kHz | 100kHz ~ 200kHz |
| Synchronous Rectifier | No | No | No | No |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | 20-DIP (0.300", 7.62mm) | Multiwatt-15 (Vertical, Bent and Staggered Leads) | Multiwatt-15 (Vertical, Bent and Staggered Leads) | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-PowerDIP | 15-Multiwatt | 15-Multiwatt | 20-PowerDIP |
