LM2576T-ADJ Semiconductors - ICs by Texas Instruments

SWITCHING REG 3A ADJ 2576 TO2205

Status: Unknown
Series: LM2576XX Series
RoHS: Unknown
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The LM2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, 15 V, and an adjustable output version. Requiring a minimum number of external components, these regulators are simple to use and include fault protection and a fixed-frequency oscillator. The LM2576 series offers a high-efficiency replacement for popular three-terminal linear regulators. It substantially reduces the size of the heat sink, and in some cases no heat sink is required. A standard series of inductors optimized for use with the LM2576 are available from several different manufacturers. This feature greatly simplifies the design of switch-mode power supplies. Other features include a ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring 50-μA (typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions.

Where to Buy

Prices starting from US$0.94

Distributor Stock
Logo for Farnell
Farnell
from US$3.10
7,261
in stock
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Logo for Micros
Micros
from US$0.94
700
in stock
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Logo for Transfer Multisort Elektronik
Transfer Multisort Elektronik
from US$1.05
338
in stock
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Logo for Kruse
Kruse
-
10,000
in stock
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Logo for Newark Electronics
Newark Electronics
from US$2.67
-
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Specifications

Topology Buck (Step Down)
Input Voltage Min 4V
Input Voltage Max 40V
No. of Outputs 1Outputs
DC / DC Converter IC Case TO-220
No. of Pins 5Pins
Output Current 3A
Output Voltage Min 1.23V
Output Voltage Max 37V
Switching Frequency 52kHz
Operating Temperature Max 125°C
Product Range LM2576XX Series
Automotive Qualification Standard -
MSL -
SVHC No SVHC (27-Jun-2018)
Accuracy % 4%
Adjustable Output Voltage Min 1.285V
Base Number 2576
Device Marking LM2576T-ADJ
Frequency 52kHz
IC Generic Number 2576
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +125°C
Output Current Max 3A
Output Voltage 37V
Power Supply IC Type Step-down switching regulator
Primary Input Voltage 40V
Supply Voltage Min 4V
Voltage Regulator Type Switching Step Down (Buck) Inverting


Frequently Asked Questions

Where can I find additional details, specifications and documents for a LM2576T-ADJ?

Additional datasheets, footprints and schematics for LM2576T-ADJ are listed on our Part Details page. You can also find images and similar parts to LM2576T-ADJ on this page.

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What category does LM2576T-ADJ fall under?

The LM2576T-ADJ is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

Can I view similar or alternative parts?

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Is the LM2576T-ADJ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for LM2576T-ADJ have stock available?

Authorised distributors including Farnell, Micros, Transfer Multisort Elektronik, Kruse and Newark Electronics have stock available or on a lead time for LM2576T-ADJ.

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