For Reference Only
| Part Number | LM78S40N |
| LIXINC Part # | LM78S40N |
| 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 | LM78S40N PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 24 - Jan 28 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | LM78S40N |
| 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: | -40°C ~ 125°C (TA) |
| Mounting Type: | Through Hole |
| Package / Case: | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package: | 16-PDIP |
| MP2158AGQH-Z | IC REG BUCK ADJUSTABLE 1A 8QFN | 802 More on Order |
|
| TC962CPA | IC REG CHARGE PUMP INV 80MA 8DIP | 935 More on Order |
|
| MIC4680-5.0YM | IC REG BUCK BST 5V 1.3A 8SOIC | 903 More on Order |
|
| LM2672N-12/NOPB | IC REG BUCK 12V 1A 8DIP | 1093 More on Order |
|
| MIC4575-5.0WU | IC REG BUCK BST 5V 1.7A TO263-5 | 984 More on Order |
|
| XC9142A50DMR-G | 0.8A SYNCHRONOUS STEP-UP DC/DC C | 926 More on Order |
|
| LM2650M-ADJ/NOPB | IC REG BUCK ADJUSTABLE 3A 24SOIC | 1940882 More on Order |
|
| LT1176CSW#TRPBF | IC REG BCK FLYBCK ADJ 20SOIC | 885 More on Order |
|
| LMS36353QRNLRQ1 | IC REG BUCK 3.3V 3.5A 22VQFN | 938 More on Order |
|
| LT1172IN8#PBF | IC REG MULT CONFG ADJ 1.25A 8DIP | 1637 More on Order |
|
| MAX1974EUB+ | IC REG BUCK ADJ/PROG 1A 10UMAX | 2542390 More on Order |
|
| XC9141D36DMR-G | 0.8A SYNCHRONOUS STEP-UP DC/DC C | 820 More on Order |
|
| XC9237B1BCMR-G | 600MA SYNCHRONOUS STEP-DOWN DCDC | 836 More on Order |
| In Stock | 10997 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.84000 | $0.84 |
| 350 | $0.84000 | $294 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.