LM2678S-5.0/NOPBIn StockTexas Instruments
Texas Instruments LM2678S-5.0/NOPB is a SIMPLE SWITCHER 5A high-efficiency step-down DC/DC switching regulator with 8V to 40V input range and voltage-mode PWM control. Delivers stable 5V output with up to 5A load current, ideal for industrial and automotive power conversion. From $2.64, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- TO-XXX (Inc. DPAK)
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- LM2678S-5.0/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.6357(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8V to 40V wide input voltage range for versatile power supply design
- 5A continuous output current with high efficiency voltage-mode PWM control
- Fixed 5V output voltage with integrated SIMPLE SWITCHER architecture for minimal external components
- TO-263 (D2PAK) surface-mount package with excellent thermal performance
- Pb-free, RoHS-compliant construction suitable for industrial and automotive applications
Applications
The LM2678S-5.0/NOPB is well-suited for industrial power supplies, automotive electronics, and embedded systems requiring a reliable 5V rail from higher-voltage sources. Its wide 8V–40V input range makes it ideal for 12V or 24V bus architectures found in factory automation, motor drive auxiliary supplies, and telecommunications equipment. The 5A current capability also supports demanding applications such as single-board computers, FPGA core power rails, and LED driver systems.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 8V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PSSO-G7 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 5A |
| Output Voltage-Max | 37V |
| Output Voltage-Min | 1.23V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP7H,.55,50TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 245 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 260kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## LM2678S-5.0/NOPB Alternates Showing results | Image |
| Package | TO-XXX (Inc. DPAK) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2678S-5.0/NOPB:
Switching Regulator, Voltage-mode, 5A, 260kHz Switching Freq-Max, PSSO7
Frequently Asked Questions
What is the input voltage range of the LM2678S-5.0/NOPB?
The LM2678S-5.0/NOPB operates with an input voltage range of 8V to 40V, with a nominal input of 12V. This wide range makes it suitable for 12V and 24V bus systems commonly used in industrial, automotive, and telecom applications.
What output voltage and current does the LM2678S-5.0/NOPB provide?
The LM2678S-5.0/NOPB provides a fixed 5.0V output voltage at up to 5A continuous output current. It uses voltage-mode pulse width modulation (PWM) control to maintain regulation accuracy across varying load conditions.
What package does the LM2678S-5.0/NOPB come in?
The LM2678S-5.0/NOPB is available in a TO-263 (D2PAK / DPAK family) surface-mount package, which offers excellent thermal dissipation for high-current applications. The package is Pb-free and meets JESD-609 e3 moisture sensitivity requirements.
What are typical applications for the LM2678S-5.0/NOPB?
Typical applications include industrial power supplies, automotive auxiliary rails, embedded computing boards, FPGA power supplies, and LED driver systems. Its 40V input tolerance and 5A output current make it versatile for any design requiring a robust 5V step-down regulator.
Is the LM2678S-5.0/NOPB RoHS compliant?
Yes, the LM2678S-5.0/NOPB is Pb-free and RoHS compliant, as indicated by its NOPB suffix and JESD-609 e3 rating. It is manufactured by Texas Instruments and qualifies for use in environmentally sensitive applications.
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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+ | $5.0000 | $5.00 |
| 66+ | $3.0412 | $200.72 |
| 86+ | $2.9398 | $252.82 |
| 114+ | $2.6357 | $300.47 |
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