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ONSEMI LM2576D2TR433G Step-Down Regulator

The LM2576D2TR433G is a high-efficiency step-down switching regulator, capable of delivering up to 3.0A in a TO-220 surface-mount package. It features a wide input voltage range, low ripple output, and built-in protection features like thermal shutdown and current limiting. This versatile power supply component is ideal for designing compact, reliable power systems, such as linear replacements, pre-regulators, and battery chargers. Its robust design simplifies power supply engineering with minimal external components, ensuring stable operation across temperature ranges from -40°C to +125°C.

Authorized Distributors
Part No:LM2576D2TR4-3.3G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1.54
Buy/RFQ:

ONSEMI LM2576D2TR433G Step-Down Regulator Specifications:

  • Maximum Supply Voltage: 40 V
  • Maximum Output Current: 3.0 A
  • Package Type: D2PAK (Surface Mount)
  • Thermal Resistance, Junction-to-Ambient: 70°C/W
  • Thermal Resistance, Junction-to-Case: 5.0°C/W
  • Operating Junction Temperature Range: -40°C to +125°C
  • Output Voltage Range: 1.23 V to 37 V (adjustable)
  • Feedback Voltage: 1.23 V (typical)
  • Oscillator Frequency: 52 kHz
  • Output Ripple Voltage: 0.5% to 3% of output voltage
  • Efficiency: Up to 88%
  • Reverse Voltage Rating of Catch Diode: ≥ 30 V
  • Input Capacitor: 100 μF aluminum electrolytic, low ESR
  • Catch Diode: 3.0 A Schottky diode, e.g., 1N5822
  • Inductor: 100 μH, rated for peak current > 3.0 A
  • Protection: Thermal shutdown, cycle-by-cycle current limit

Buy the Buy ON Semiconductor LM2576D2TR433G Part Number 2576D2TR433G Online

Order the ON Semiconductor LM2576D2TR433G now for a high-performance, efficient step-down switching regulator ideal for compact power supply designs. With a maximum output current of 3.0A and a wide input voltage range up to 40V, this surface-mount device simplifies your power management projects. Its low ripple, high thermal protection, and robust design ensure reliable operation across diverse environments, from -40°C to +125°C. Perfect for replacing linear regulators, powering battery chargers, or in other compact electronic systems requiring stable voltage conversion with minimal external components.

Get ON Semiconductor LM2576D2TR433G today—built for high efficiency and reliable power regulation in compact applications.

Frequently Asked Questions

Where can I buy ONSEMI LM2576D2TR433G?

You can click on the BUY or RFQ button to purchase LM2576D2TR433G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part LM2576D2TR433G?

You can download the LM2576D2TR433G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of LM2576D2TR433G?

ONSEMI

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