For Reference Only
| Part Number | LM78S40N/NOPB |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) › Voltage Regulators - DC DC Switching Regulators |
| Description | IC REG BUCK BST ADJ 1.5A 16DIP |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM78S40N/NOPB PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 10 - Dec 14 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | LM78S40N/NOPB |
| Brand: | Texas Instruments |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | Texas Instruments |
| Product Status: | Obsolete |
| 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 |
| LM3310SQ | SWITCHING REG, CURRENT-MODE, 0.1 | 87942 More on Order |
|
| LM2735XMY/NOPB | IC REG MULT CONFG ADJ 2.1A 8MSOP | 41352 More on Order |
|
| TPS54110PWPR | IC REG BUCK ADJ 1.5A 20HTSSOP | 29557 More on Order |
|
| LTC3417AEDHC#PBF | IC REG BUCK ADJ 1A/1.5A DL 16DFN | 12833 More on Order |
|
| IR3863MTRPBF | SWITCHING REG, CURRENT-MODE, 6A, | 72342 More on Order |
|
| LM22678QTJE-ADJ/NOPB | IC REG BUCK ADJ 5A TO263-7 | 10801 More on Order |
|
| TPS560430XFDBVR | IC REG BUCK PWM 600MA SOT23-6 | 64009 More on Order |
|
| XC9237C17CMR-G | 600MA SYNCHRONOUS STEP-DOWN DCDC | 54456 More on Order |
|
| MP2359DT-LF-Z | IC REG BUCK ADJ 1.2A SOT23-6 | 31104 More on Order |
|
| LTC3115EFE-2#PBF | IC REG BCK BST ADJ 20TSSOP | 8823 More on Order |
|
| MC33063ADR | IC REG BUCK BST ADJ 1.5A 8SOIC | 89433 More on Order |
|
| XC9245A20C7R-G | 400MA SYNCHRONOUS STEP-DOWN DCDC | 102808 More on Order |
| In Stock | 41933 pieces - 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 | $2.22000 | $2.22 |
| 10 | $1.99000 | $19.9 |
| 25 | $1.87760 | $46.94 |
| 100 | $1.59960 | $159.96 |
| 500 | $1.31426 | $657.13 |
| 1000 | $1.08895 | $1088.95 |
| 2500 | $1.01385 | $2534.625 |
| 5000 | $0.97630 | $4881.5 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.