LM2678S-3.3
- Mfr.Part #
- LM2678S-3.3
- Manufacturer
- Texas Instruments
- Package / Case
- TO-263-8, D2Pak (7 Leads + Tab), TO-263CA
- Datasheet
- Download
- Description
- LM2678 8V TO 40V, 5A SIMPLE SWIT
- Stock
- 5,361
- In Stock :
- 5,361
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- Manufacturer :
- Texas Instruments
- Product Category :
- Voltage Regulators - DC DC Switching Regulators
- Number of Terminations :
- 7
- Input Voltage-Nom :
- 12V
- Frequency - Switching :
- 260kHz
- Width :
- 8.89mm
- Terminal Form :
- Gull wing
- Number of Outputs :
- 1
- Number of Pins :
- 7
- Operating Temperature :
- -40°C~125°C TJ
- Current Rating :
- 5A
- Voltage - Input (Min) :
- 8V
- Lifecycle Status :
- NRND (Last Updated: 2 days ago)
- Output Type :
- FIXED
- Series :
- SIMPLE SWITCHER®
- Voltage - Input (Max) :
- 40V
- Packaging :
- Tube
- Output Configuration :
- Positive
- ECCN Code :
- EAR99
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Mounting Type :
- Surface Mount
- Function :
- Step-Down
- Synchronous Rectifier :
- No
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Control Technique :
- PULSE WIDTH MODULATION
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Peak Reflow Temperature (Cel) :
- 235
- Operating Supply Voltage :
- 40V
- Length :
- 10.1mm
- Package / Case :
- TO-263-8, D2Pak (7 Leads + Tab), TO-263CA
- Mount :
- Surface Mount
- Terminal Position :
- Single
- Control Mode :
- VOLTAGE-MODE
- Base Part Number :
- LM2678
- Analog IC - Other Type :
- SWITCHING REGULATOR
- Topology :
- Buck
- JESD-609 Code :
- e0
- RoHS Status :
- Non-RoHS Compliant
- Height :
- 4.65mm
- Min Output Voltage :
- 3.3V
- Output Voltage :
- 3.3V
- Quiescent Current :
- 4.2mA
- Efficiency :
- 82 %
- Thickness :
- 4.44mm
- Lead Free :
- Contains Lead
- Max Output Current :
- 5A
- Datasheets
- LM2678S-3.3

Voltage Regulators - DC DC Switching Regulators Texas Instruments LM2678S-3.3 Overview
The LM2678S-3.3 from Texas Instruments is a robust voltage regulator designed for exceptional performance in DC to DC conversion applications. This component forms part of the LM2678 series, renowned for their efficiency and reliability. Capable of handling input voltages ranging from 8V to 40V, the LM2678S-3.3 ensures a stable 3.3V output, ideal for a wide array of electronics requiring consistent power management. The inclusion of a simple switch technology facilitates a streamlined integration into circuit designs, emphasizing ease of use without compromising on power capacity, as it can deliver up to 5A of output current. This makes the Voltage Regulators - DC DC Switching Regulators Texas Instruments LM2678S-3.3 an indispensable tool for developers looking to optimize power consumption while maintaining high performance.
LM2678S-3.3 Features
- Input Voltage Range: 8V to 40V
- Output Voltage: 3.3V
- Output Current: Up to 5A
- High Efficiency Simple Switcher Design
- Minimal External Components Required
- Thermal Shutdown and Current Limit Protection
LM2678S-3.3 Applications
- Embedded Systems: Used to provide reliable power supply to microcontrollers and other digital logic devices, ensuring smooth operation and long-term stability.
- Portable Devices: Ideal for powering battery-operated devices where efficient power management is crucial for extending battery life.
- Telecommunication Equipment: Applies stable voltage to critical communication modules, preventing power-related failures and ensuring uninterrupted service.
- Automotive Electronics: Used in vehicle-based electronics to manage power supply under varying input conditions, enhancing performance and safety.
- Industrial Controls: Ensures precise power regulation for industrial automation systems, contributing to increased accuracy and reliability in harsh environments.
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