LM2576S-ADJ vs LM2575-12BU

This in-depth comparison of the LM2576S-ADJ and LM2575-12BU provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

LM2576S-ADJ

National Semiconductor

Lifecycle: Active
Stock: 4619 PCS
Package: TO-263-5
Series: PMIC - Voltage Regulators - DC DC Switching Controllers

+BOM RFQ

Part B

LM2575-12BU

Microchip Technology

Lifecycle: Active
Stock: 4338 PCS
Package: TO-263-6
Series: PMIC - Voltage Regulators - DC DC Switching Regulators

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	LM2576S-ADJ	LM2575-12BU
Part Status	Active	Obsolete
Function	-	Step-Down
Output Configuration	-	Positive
Topology	-	Buck
Output Type	-	Fixed
Number of Outputs	-	1
Voltage - Input (Min)	-	4V
Voltage - Input (Max)	-	40V
Voltage - Output (Min/Fixed)	-	12V
Current - Output	-	1A
Frequency - Switching	-	52kHz
Synchronous Rectifier	-	No
Operating Temperature	-	-40°C ~ 125°C (TJ)
Mounting Type	-	Surface Mount

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