• LM2678S-ADJ TO-263 (KTW)-7
LM2678S-ADJ TO-263 (KTW)-7

LM2678S-ADJ

With a temperature range of -40 to 125 degrees Celsius, this converter is suitable for a wide range of operating conditions

Quantity Unit Price(USD) Ext. Price
1 $17.783 $17.78
200 $6.882 $1,376.40
500 $6.641 $3,320.50
1000 $6.521 $6,521.00

Inventory:8,434

*The price is for reference only.
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  • Part Number : LM2678S-ADJ

  • Package/Case : TO-263 (KTW)-7

  • Brands : TI

  • Components Categories : Voltage Regulators - DC DC Switching Regulators

  • Datesheet : LM2678S-ADJ DataSheet (PDF)

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Overview of LM2678S-ADJ

The LM2678S-ADJ is an adjustable voltage regulator IC that provides efficient power conversion in various electronic applications. It is designed to step-down voltage from a higher input to a lower output voltage, offering flexibility in power supply design.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input voltage
  • VOUT: Output voltage
  • SS/TR: Soft-start/Tracking
  • FB: Feedback
  • ON/OFF: Enable/Shutdown control
  • GND: Ground
  • COMP: Compensation
  • TR/SS: Tracking/Soft-start

Circuit Diagram

Include a circuit diagram showcasing the connections and operation of the LM2678S-ADJ IC for a visual understanding.

Key Features

  • Adjustable Output Voltage: Allows the user to set the output voltage as needed for the application.
  • High Efficiency: The LM2678S-ADJ offers high efficiency and low power dissipation, ideal for power-conscious designs.
  • Wide Input Voltage Range: Operates over a broad range of input voltages, providing versatility in power supply configurations.
  • Short Circuit Protection: Includes built-in protection mechanisms to prevent damage in case of a short circuit.
  • Compact Package: Available in a compact and thermally enhanced TO-263 package for space-constrained applications.

Note: For detailed technical specifications, please refer to the LM2678S-ADJ datasheet.

Application

  • Power Supply Design: Suitable for designing efficient power supplies in various electronic systems.
  • Voltage Regulation: Used for voltage regulation and stabilization in electronic circuits.
  • Battery-Powered Devices: Ideal for devices running on batteries, providing stable voltage levels.

Functionality

The LM2678S-ADJ is an adjustable voltage regulator that efficiently steps down input voltage to a desired output level, making it versatile for a wide range of applications where precise voltage control is required.

Usage Guide

  • Input Voltage: Apply the input voltage to the VIN pin for regulation.
  • Feedback Loop: Connect components for desired output voltage regulation using the FB pin.
  • Enable Control: Use the ON/OFF pin to enable or shut down the regulator as needed.

Frequently Asked Questions

Q: Can the LM2678S-ADJ handle high input voltages?
A: The LM2678S-ADJ is designed to operate within a specified input voltage range. Refer to the datasheet for exact limits.

Q: Is the LM2678S-ADJ suitable for automotive applications?
A: Yes, the LM2678S-ADJ can be used in automotive electronics given its efficiency and reliability.

Equivalent

For similar functionalities, consider these alternatives to the LM2678S-ADJ:

  • LM317: An adjustable positive voltage regulator providing similar functionality in a different package.
  • LM2940: Low dropout voltage regulator with adjustable output capability, suitable for various applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Vin (min) (V) 8 Vin (max) (V) 40
Vout (min) (V) 1.23 Vout (max) (V) 37
Iout (max) (A) 5 Iq (typ) (mA) 4.2
Switching frequency (min) (kHz) 260 Switching frequency (max) (kHz) 260
Features Frequency synchronization, Over Current Protection Operating temperature range (°C) -40 to 125
Rating Catalog Regulated outputs (#) 1
Control mode Voltage mode Duty cycle (max) (%) 91
Type Converter

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