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ONSEMI LM2575D2TADJR4G Step-Down Regulator

The LM2575 series are versatile, easy-to-use step-down switching regulators capable of delivering up to 1.0 A of load current with high efficiency and minimal external components. Designed for simplicity, these regulators integrate a monolithic architecture with features like cycle-by-cycle current limiting, thermal shutdown, and a guaranteed ±4% output voltage tolerance. Available in fixed and adjustable versions, they support input voltages from 4.75 V to 40 V, making them suitable for power supply applications, battery chargers, and positive-to-negative converter circuits. Their compact design reduces heat dissipation requirements, with options for PCB-mounted and through-hole packages, ensuring reliable and efficient power regulation in various electronic systems.

Authorized Distributors
Source:Newark
Part No:LM2575D2T-ADJR4G
Stock:274
Inv Date:06-10-2026
Price: Unit price: $2.31
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Source:DigiKey
Part No:LM2575D2T-ADJR4G
Stock:2365
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Part No:LM2575D2T-ADJR4G
Stock:6619
Inv Date:06-11-2026
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Part No:LM2575D2T-ADJR4G
Stock:44
Inv Date:06-10-2026
Price: Unit price: $0.38
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Part No:LM2575D2T-ADJR4G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1.65
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Part No:LM2575D2T-ADJR4G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1.65
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Part No:LM2575D2T-ADJR4G
Stock:12800
Inv Date:06-10-2026
Price: Unit price: $0.785
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ONSEMI LM2575D2TADJR4G Step-Down Regulator Specifications:

  • Input Voltage Range: 4.75 V to 40 V
  • Maximum Output Current: 1.0 A
  • Output Voltage Options: Fixed (3.3 V, 5 V, 12 V, 15 V) and Adjustable (1.23 V to 37 V)
  • Switching Frequency: 52 kHz
  • Cycle-by-cycle current limiting
  • Thermal shutdown protection
  • Efficiency: up to 88% based on input/output conditions
  • Package Options: TO-220, D²PAK
  • Maximum Junction Temperature: 150°C
  • Standby Current: approximately 80 μA
  • Output Voltage Tolerance: ±4%
  • Supports external shutdown via ON/OFF pin
  • Requires only 4 external components for operation
  • RoHS compliant, Pb-Free packages available
  • Suitable for step-down power supply design, LED driver, battery charger, and positive-to-negative conversion

Buy the ON Semiconductor Series LM2575 Step-Down Regulator: LM2575D2TADJR4G

Purchase the ON Semiconductor LM2575D2TADJR4G online today for your power supply applications. This efficient, high-current step-down regulator features adjustable output voltage from 1.23 V to 37 V, supporting input voltages up to 40 V. Its compact design with minimal external components makes it ideal for battery chargers, LED drivers, and power conversion circuits. The device offers cycle-by-cycle current limiting, thermal shutdown, and a guaranteed output voltage tolerance of ±4%. Reliable and easy to incorporate in various electronics, it ensures optimal performance, energy savings, and long-term durability.

Get ON Semiconductor LM2575D2TADJR4G today—built for precision, high efficiency, and reliable power regulation in your electronic projects.

Frequently Asked Questions

Where can I buy ONSEMI LM2575D2TADJR4G?

You can click on the BUY or RFQ button to purchase LM2575D2TADJR4G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part LM2575D2TADJR4G?

You can download the LM2575D2TADJR4G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of LM2575D2TADJR4G?

ONSEMI

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