LM78S40CN Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
IC REG BUCK BST ADJ 1.5A 16DIP
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- LM78S40CN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6000(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 2.5V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | R-PDIP-T16 |
| Number of Functions | 1 |
| Output Current-Max | 1.5A |
| Output Voltage-Max | 40V |
| Output Voltage-Min | 1.25V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 5.5mA |
| Surface Mount | NO |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 100kHz |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the price of LM78S40CN?
LM78S40CN is priced from $0.6000 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.
Is LM78S40CN in stock?
LM78S40CN is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.
Where can I buy LM78S40CN?
You can buy LM78S40CN from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for LM78S40CN from Texas Instruments.
What is the datasheet for LM78S40CN?
The official LM78S40CN datasheet from Texas Instruments contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.
What package does LM78S40CN come in?
LM78S40CN is available in Dual-In-Line Packages packaging. See the package diagram and pinout above for detailed dimensional information.
Related Guides
TPS54160DGQR Selection Guide: How to Choose a 60V Step-Down Buck Converter
Complete selection guide for the TPS54160DGQR 60V/1.5A step-down converter. Compare specs, alternatives, and sourcing options for industrial and automotive designs.
May 20, 2026
LMV932MM Dual Low-Voltage CMOS Op-Amp: Application Design Guide
Complete application design guide for the LMV932MM dual rail-to-rail CMOS op-amp: supply decoupling, RRIO design rules, stability, and recommended circuits for 1.8V–5.5V battery-powered systems.
May 20, 2026
TL084CN Equivalent and Replacements: JFET-Input Quad Op-Amp Comparison Guide
Compare TL084CN with TL074, LF347, and LM324 quad op-amps. Pin-compatible equivalents, key specs, and when to choose each for your analog design.
May 20, 2026
TPS386000RGPR Quad Voltage Supervisor: Selection and Sourcing Guide (2025)
Compare TPS386000RGPR with TPS386040RGPR, TPS3700, and TPS3823 voltage supervisors. Key specs, threshold programming, watchdog options, and sourcing tips.
May 20, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.3500 | $1.35 |
| 5+ | $1.1250 | $5.63 |
| 14+ | $0.8100 | $11.34 |
| 25+ | $0.6000 | $15.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”