LM2575S-5.0 TO-263-5 5V 1A DC-DC Buck Switching Regulator IC

LM2575S-5.0 TO-263-5 5V 1A DC-DC Step-Down (Buck) Voltage Regulator IC

The LM2575S-5.0 is a switching DC-DC buck (step-down) voltage regulator IC designed for power management applications, providing a fixed 5V output voltage. Thanks to its wide input voltage range, it can be safely used in industrial, automotive, and embedded system projects. It is an ideal solution for microcontroller power supplies, industrial power sources, and instrumentation applications.

With its built-in switching transistor, the device reduces the number of external components while delivering high efficiency. The TO-263-5 (D2PAK) SMD package offers high current handling capability and good thermal performance, enabling compact and reliable PCB designs.

LM2575S-5.0 Technical Specifications:

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

• Fixed output voltage: 5V

• Maximum output current: 1A

• Input voltage range: 4V – 40V

• Switching frequency: 47kHz – 58kHz

• High efficiency: up to 82%

• Built-in switching transistor

• Quiescent current: 5mA

• 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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