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| Part Number | L4902A | L4972A | L4901A |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Last Time Buy | Obsolete |
| Function | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck |
| Output Type | Fixed | Adjustable | Fixed |
| Number of Outputs | 2 | 1 | 2 |
| Voltage - Input (Min) | - | 15V | - |
| Voltage - Input (Max) | 24V | 50V | 20V |
| Voltage - Output (Min/Fixed) | 5V | 5.1V | 5V |
| Voltage - Output (Max) | - | 40V | - |
| Current - Output | 300mA | 2A | 400mA |
| Frequency - Switching | - | 100kHz ~ 200kHz | - |
| Synchronous Rectifier | No | No | No |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | Heptawatt-7 (Vertical, Bent and Staggered Leads) | 20-DIP (0.300", 7.62mm) | Heptawatt-7 (Vertical, Bent and Staggered Leads) |
| Supplier Device Package | 7-HEPTAWATT | 20-PowerDIP | 7-HEPTAWATT |
