• LM2676SX-ADJ/NOPB TO-263 (KTW)-7
LM2676SX-ADJ/NOPB TO-263 (KTW)-7


Step-Down Regulator

Quantity Unit Price(USD) Ext. Price
1 $4.055 $4.06
10 $3.527 $35.27
30 $3.076 $92.28
100 $2.758 $275.80
500 $2.611 $1,305.50
1000 $2.544 $2,544.00


*The price is for reference only.
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  • Part Number : LM2676SX-ADJ/NOPB

  • Package/Case : TO-263 (KTW)-7

  • Brands : TI

  • Components Categories : Voltage Regulators - DC DC Switching Regulators

  • Datesheet : LM2676SX-ADJ/NOPB DataSheet (PDF)

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Overview of LM2676SX-ADJ/NOPB

The LM2676SX-ADJ/NOPB is a step-down voltage regulator integrated circuit manufactured by Texas Instruments. This regulator is an adjustable output voltage version capable of delivering up to 3A of output current. It has a wide input voltage range of 8V to 40V, making it suitable for a variety of applications.The device features an adjustable output voltage range of 1.2V to 37V, which can be set using external resistors. It operates at a fixed switching frequency of 260kHz, allowing for smaller external components and efficient power conversion.The LM2676SX-ADJ/NOPB also includes protections such as thermal shutdown and current limit to safeguard against overloading and overheating. It comes in a TO-263-5 package, providing efficient heat dissipation and easy mounting.


Key Features

  • Adjustable output voltage regulator
  • Wide input voltage range (8V to 40V)
  • Output voltage adjustable from 1.25V to 37V
  • High efficiency (up to 92%)
  • Current limit and thermal shutdown protection
  • Compact TO-263 package
  • Low dropout voltage
  • Application

  • The LM2676SX-ADJ/NOPB is commonly used in a variety of applications including power management for industrial, automotive, and telecommunications equipment
  • It is also utilized in voltage regulation for network systems, instrumentation, and consumer electronics
  • 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) 3 Iq (typ) (mA) 4.2
    Switching frequency (min) (kHz) 260 Switching frequency (max) (kHz) 260
    Features Enable, 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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