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TI LM2676SX-5.0/NOPB product image
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TI LM2676SX-5.0/NOPBRoHS

Manufacturer
TI
MPN
LM2676SX-5.0/NOPB
LCSC Part #
C24710
Packaging
TO-263-7
Customer #
Key Attributes
High Efficiency 3A Step-Down Voltage Regulator
Datasheetpdf iconTI LM2676SX-5.0/NOPB
In-Stock: 1,539
1,539 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 2.1904$ 2.19
10+$ 1.837$ 18.37
30+$ 1.6172$ 48.52
100+$ 1.3908$ 139.08
500+$ 1.2882$ 644.10
1,000+$ 1.2442$ 1244.20
Standard Packaging500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingTO-263-7
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching260kHz
FunctionStep-down type
Number of Outputs1
FeaturesCycle-by-cycle current limiting;Overcurrent Protection
Output TypeFixed
TopologyBuck
Operating Voltage8V~40V
Switch tube (built-in/external)Built-in
Output Voltage5V
Output Current3A
Quiescent Current4.2mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging500
Sales UnitPiece

Introduction

AI Translation

The LM2676 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 3A loads with excellent line and load regulation characteristics. High efficiency ( >90%) is obtained through the use of a low ON-resistance DMOS power switch. The series consists of fixed output voltages of 3.3V, 5V and 12V and an adjustable output version. The SIMPLE SWITCHER concept provides for a complete design using a minimum number of external components. A high fixed frequency oscillator (260KHz) allows the use of physically smaller sized components. A family of standard inductors for use with the LM2676 are available from several manufacturers to greatly simplify the design process. The LM2676 series also has built in thermal shutdown, current limiting and an ON/OFF control input that can power down the regulator to a low 50μA quiescent current standby condition. The output voltage is ensured to a ±2% tolerance. The clock frequency is controlled to within a ±1% tolerance.

Features

AI Translation
  • Efficiency Up to 94%
  • Simple and Easy to Design with (Using Off The-Shelf External Components)
  • 150 mΩ DMOS Output Switch
  • 3.3V, 5V and 12V Fixed Output and Adjustable (1.2V to 37V) Versions
  • 50μA Standby Current When Switched OFF
  • ±2% Maximum Output Tolerance Over Full Line and Load Conditions
  • Wide Input Voltage Range: 8V to 40V
  • 260 KHz Fixed Frequency Internal Oscillator
  • -40 to +125°C Operating Junction Temperature Range

Applications

AI Translation
  • Simple to Design, High Efficiency (>90%) Step Down Switching Regulators
  • Efficient System Pre-Regulator for Linear Voltage Regulators
  • Battery Chargers