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See Product Specifications
| Part Number: | LM78S40N |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | National Semiconductor |
| Packaging: | Bulk |
| Product Status: | Active |
| Function: | Step-Up, Step-Down |
| Output Configuration: | Positive or Negative |
| Topology: | Buck, Boost |
| Output Type: | Adjustable |
| Number of Outputs: | 1 |
| Voltage - Input (Min): | 2.5V |
| Voltage - Input (Max): | 40V |
| Voltage - Output (Min/Fixed): | 1.25V |
| Voltage - Output (Max): | 40V (Switch) |
| Current - Output: | 1.5A (Switch) |
| Frequency - Switching: | 100Hz ~ 100kHz |
| Synchronous Rectifier: | No |
| Operating Temperature: | -40°C ~ 125°C (TA) |
| Mounting Type: | Through Hole |
| Package / Case: | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package: | 16-PDIP |
