LM2575SX-ADJ vs LM2575-3.3BT

This in-depth comparison of the LM2575SX-ADJ and LM2575-3.3BT 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

LM2575SX-ADJ

Texas Instruments

Lifecycle: Active
Stock: 5784 PCS
Package: TO-263-5
Series: PMIC - Voltage Regulators - DC DC Switching Regulators

+BOM RFQ

Part B

LM2575-3.3BT

Microchip Technology

Lifecycle: Active
Stock: 7601 PCS
Package: TO-220-5
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	LM2575SX-ADJ	LM2575-3.3BT
Part Status	Not For New Designs	Obsolete
Function	Step-Down	Step-Down
Output Configuration	Positive	Positive
Topology	Buck	Buck
Output Type	Adjustable	Fixed
Number of Outputs	1	1
Voltage - Input (Min)	4V	4V
Voltage - Input (Max)	40V	40V
Voltage - Output (Min/Fixed)	1.23V	3.3V
Current - Output	1A	1A
Frequency - Switching	52kHz	52kHz
Synchronous Rectifier	No	No
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount	Through Hole
Series	SIMPLE SWITCHER®	-
Voltage - Output (Max)	37V	-

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