LM78S40CN/NOPB Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
Texas Instruments LM78S40CN/NOPB is a PWM voltage-mode switching regulator controller operating up to 100 kHz with 2.5 V–40 V input range in a 16-Pin DIP package. From $1.21, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- LM78S40CN/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2100(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- PWM voltage-mode control with up to 100 kHz switching frequency for efficient power conversion
- Wide input voltage range of 2.5 V to 40 V supports diverse power supply designs
- Current-mode control technique enables precise regulation and fast transient response
- 16-Pin MDIP package simplifies board layout and through-hole assembly
- Single-function design optimized for dedicated switching regulator applications
Applications
The LM78S40CN/NOPB is widely used in DC-DC buck, boost, and flyback switching power supply designs for industrial and telecommunications equipment. Its wide input range and PWM current-mode control make it suitable for battery-powered systems, embedded power modules, and voltage regulation circuits requiring stable output under varying load conditions.
Specifications
| YTEOL | 15 |
| 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 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 1.5A |
| Output Voltage-Max | 40V |
| Output Voltage-Min | 1.245V |
| 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) | 2mA |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 100kHz |
| Technology | BIPOLAR |
| Temperature Grade | MILITARY |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| ## LM78S40CN/NOPB Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM78S40CN/NOPB:
suggested
Switching Regulator, Current-mode, 1.5A, 100kHz Switching Freq-Max, BIPolar, PDIP16
Frequently Asked Questions
What is the input voltage range of the LM78S40CN/NOPB?
The LM78S40CN/NOPB operates over an input voltage range of 2.5 V minimum to 40 V maximum, with a nominal input of 5 V, making it suitable for a wide variety of power supply topologies.
What switching frequency does the LM78S40CN/NOPB support?
The LM78S40CN/NOPB supports a maximum switching frequency of 100 kHz using pulse width modulation (PWM) in current-mode control, enabling compact transformer and inductor designs.
What package does the LM78S40CN/NOPB come in?
The LM78S40CN/NOPB is available in a 16-Pin MDIP (Dual-In-Line Package), a standard through-hole form factor that simplifies prototyping and production assembly.
What are typical applications for the LM78S40CN/NOPB?
Typical applications include DC-DC switching regulators (buck, boost, flyback), industrial power supplies, telecom power modules, and embedded systems requiring regulated voltage rails with efficient PWM control.
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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+ | $2.6000 | $2.60 |
| 3+ | $1.9500 | $5.85 |
| 10+ | $1.7400 | $17.40 |
| 12+ | $1.4625 | $17.55 |
| 36+ | $1.2188 | $43.88 |
| 2500+ | $1.2100 | $3025.00 |
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