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                                                                                                  1. Home
                                                                                                  2. Semiconductors - ICs
                                                                                                  3. Power Management ICs - PMIC
                                                                                                  4. Voltage Regulators
                                                                                                  5. DC / DC Switching Regulators
                                                                                                  Print Page

                                                                                                  LM2576T-ADJG

                                                                                                  DC-DC Switching Buck (Step Down) Regulator, Adj., 7V-40Vin, 1.23V-37V/3A out, 52 kHz, TO-220-5

                                                                                                  Date/Lot Code

                                                                                                  ONSEMI LM2576T-ADJG
                                                                                                  ONSEMI LM2576T-ADJG
                                                                                                  ONSEMI LM2576T-ADJG
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ManufacturerONSEMI
                                                                                                  Manufacturer Part NoLM2576T-ADJG
                                                                                                  Newark Part No.26K3602
                                                                                                  Product RangeLM2576 Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  75 In Stock

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                                                                                                  Product Information

                                                                                                  ManufacturerONSEMI
                                                                                                  Manufacturer Part NoLM2576T-ADJG
                                                                                                  Newark Part No.26K3602
                                                                                                  Product RangeLM2576 Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Regulator Output TypeAdjustable
                                                                                                  No. of Outputs1Outputs
                                                                                                  TopologyBuck (Step Down)
                                                                                                  Input Voltage Min7V
                                                                                                  Input Voltage Max40V
                                                                                                  Max Output Current3A
                                                                                                  Output Current3A
                                                                                                  IC Case / PackageTO-220
                                                                                                  No. of Pins5Pins
                                                                                                  IC MountingThrough Hole
                                                                                                  Output Voltage - Nom-
                                                                                                  Output Voltage Min1.23V
                                                                                                  Output Voltage Max37V
                                                                                                  Switching Frequency Typ52kHz
                                                                                                  Efficiency77%
                                                                                                  Operating Temperature Min-40°C
                                                                                                  Operating Temperature Max125°C
                                                                                                  Product RangeLM2576 Series
                                                                                                  Qualification-
                                                                                                  MSLMSL 1 - Unlimited
                                                                                                  SVHCLead
                                                                                                  DC / DC Converter IC CaseTO-220
                                                                                                  Automotive Qualification Standard-
                                                                                                  Switching Frequency52kHz

                                                                                                  Product Overview

                                                                                                  LM2576T-ADJG step-down switching regulator is ideally suited for easy and convenient design of a step-down switching regulator (buck converter). It is capable of driving a 3A load with excellent line and load regulation. It is designed to minimize number of external components to simplify power supply design. Standard series of inductors optimized for use with the LM2576 are offered by several different inductor manufacturers. Since LM2576 converter is a switch mode power supply, its efficiency is significantly higher in comparison with popular three-terminal linear regulators, especially with higher input voltages. In many cases, the power dissipated is so low that no heatsink is required or its size could be reduced dramatically. Applications include simple high efficiency step-down regulator, efficient pre-regulator for linear regulators, on-card switching regulators, positive to negative converter (buck-boost) negative step-up converters and power supply for battery chargers.

                                                                                                  • Wide input voltage range, 1.23V to 37V nominal output voltage
                                                                                                  • Requires only 4 external components
                                                                                                  • 52KHz fixed frequency internal oscillator
                                                                                                  • TTL shutdown capability, low power standby mode
                                                                                                  • High efficiency, uses readily available standard inductors
                                                                                                  • Thermal shutdown and current limit protection
                                                                                                  • Operating junction temperature range from -40 to +125°C
                                                                                                  • Supply voltage Vin of 40V
                                                                                                  • TO-220 (straight lead) package
                                                                                                  • ±4% tolerance on output voltage within specified input voltages and output load conditions

                                                                                                  Technical Specifications

                                                                                                  Regulator Output Type

                                                                                                  Adjustable

                                                                                                  Topology

                                                                                                  Buck (Step Down)

                                                                                                  Input Voltage Max

                                                                                                  40V

                                                                                                  Output Current

                                                                                                  3A

                                                                                                  No. of Pins

                                                                                                  5Pins

                                                                                                  Output Voltage - Nom

                                                                                                  -

                                                                                                  Output Voltage Max

                                                                                                  37V

                                                                                                  Efficiency

                                                                                                  77%

                                                                                                  Operating Temperature Max

                                                                                                  125°C

                                                                                                  Qualification

                                                                                                  -

                                                                                                  SVHC

                                                                                                  Lead

                                                                                                  Automotive Qualification Standard

                                                                                                  -

                                                                                                  No. of Outputs

                                                                                                  1Outputs

                                                                                                  Input Voltage Min

                                                                                                  7V

                                                                                                  Max Output Current

                                                                                                  3A

                                                                                                  IC Case / Package

                                                                                                  TO-220

                                                                                                  IC Mounting

                                                                                                  Through Hole

                                                                                                  Output Voltage Min

                                                                                                  1.23V

                                                                                                  Switching Frequency Typ

                                                                                                  52kHz

                                                                                                  Operating Temperature Min

                                                                                                  -40°C

                                                                                                  Product Range

                                                                                                  LM2576 Series

                                                                                                  MSL

                                                                                                  MSL 1 - Unlimited

                                                                                                  DC / DC Converter IC Case

                                                                                                  TO-220

                                                                                                  Switching Frequency

                                                                                                  52kHz

                                                                                                  Technical Docs (2)

                                                                                                  Product Change Notice EN

                                                                                                  Technical Data Sheet EN

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                                                                                                  Associated Products

                                                                                                  6 Products Found

                                                                                                  Legislation and Environmental

                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:Unknown
                                                                                                  RoHS Compliant:Y-Ex

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:Lead
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Product traceability

                                                                                                  Date/Lot Code

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