LM2575S-ADJ TO-263-5 Adjustable DC-DC Buck Switching Regulator IC

LM2575S-ADJ TO-263-5 Adjustable DC-DC Step-Down (Buck) Voltage Regulator IC

The LM2575S-ADJ is a DC-DC buck (step-down) switching voltage regulator IC designed for power supply applications, featuring an adjustable output voltage. It provides an adjustable output range from 1.23V to 35V, offering flexible usage across a wide range of applications. It is commonly used in microcontroller power supplies, industrial control systems, and power conversion circuits.

The output voltage can be easily set using an external resistor divider. The TO-263-5 (D2PAK) SMD package delivers high current handling capability and improved thermal performance, enabling compact and reliable PCB designs. Thanks to its high efficiency, it significantly reduces power loss compared to linear regulators.

LM2575S-ADJ Technical Specifications:

• DC-DC switching buck (step-down) voltage regulator

• Adjustable output voltage: 1.23V – 35V

• Maximum output current: 1A

• Input voltage range: 4V – 40V

• Switching frequency: 52kHz

• High efficiency: up to 82%

• Output voltage adjustment via external feedback network

• Integrated switching control circuitry

• Operating temperature range: -40°C to +125°C

• Package type: TO-263-5 (D2PAK, SMD)

Useful Links / Documents:

• Datasheet
• EasyEDA Model

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• Voltage Regulators