For Reference Only
| Part Number | LM78S40CN |
| LIXINC Part # | LM78S40CN |
| Manufacturer | Rochester Electronics |
| Category | Integrated Circuits › PMIC - Voltage Regulators - DC DC Switching Regulators |
| Description | 1.5A, 100KHZ BIPOLAR, PDIP16 |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM78S40CN PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 26 - Jan 30 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | LM78S40CN |
| Brand: | Rochester Electronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | Rochester Electronics |
| Series: | - |
| Package: | Bulk |
| Part 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: | 0°C ~ 70°C (TA) |
| Mounting Type: | Through Hole |
| Package / Case: | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package: | 16-PDIP |
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| In Stock | 12261 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.74000 | $0.74 |
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