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STMICROELECTRONICS L4971D013TR Switching Regulator

The L4971 is an efficient step-down monolithic switching regulator designed for power applications requiring up to 1.5A current. It features an adjustable output voltage from 3.3V to 50V, operating input from 8V to 55V, and switching frequency up to 300kHz. Integrated protections include thermal shutdown, feedback disconnection, and hiccup mode. It offers a precise 3.3V reference, soft-start, and zero load current operation. Packaged in DIP8 and SO16W for versatile assembly options, ideal for designing high-efficiency power supplies.

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Part No:L4971D013TR
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Part No:L4971D013TR
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Part No:L4971D013TR
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Part No:L4971D013TR
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Part No:L4971D013TR
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Inv Date:06-12-2026
Price: Unit price: $1.74
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STMICROELECTRONICS L4971D013TR Switching Regulator Specifications:

  • Input Voltage Range: 8V to 55V
  • Output Voltage: adjustable from 3.3V to 50V
  • Maximum Output Current: 1.5A
  • Switching Frequency: up to 300kHz
  • Operating Temperature: -40°C to 150°C
  • Thermal Resistance Junction to Ambient: max. 90°C/W (DIP8), 110°C/W (SO16W)
  • Peak Output Voltage: 5V at t=0.11s
  • Output Voltage Ripple: typical 10mV at 3.3V, load 0.5A
  • Efficiency: up to 93% at 12V output
  • Built-in protections: thermal shutdown, feedback disconnection
  • Soft start: programmable via a capacitor
  • Package Types: DIP8, SO16W
  • Switching Frequency Adjustment: via external resistor and capacitor
  • Input Voltage Ripple Rejection: 60dB at 100Hz
  • Voltage Feedforward: supported
  • Operation modes: pulse-by-pulse current limiting, hiccup mode for short circuit protection

Buy the Buy STMicroelectronics L4971 Part Number L4971D013TR Online

Order the STMicroelectronics L4971D013TR today and experience high-efficiency power conversion with adjustable output from 3.3V to 50V. This versatile switching regulator handles up to 1.5A output current and features an input voltage range of 8V to 55V, making it suitable for a variety of power supplies. It includes protections such as thermal shutdown and feedback disconnection, ensuring safe operation. With options in DIP8 and SO16W packages, it’s perfect for both through-hole and surface-mount assembly, providing reliable and efficient power regulation for your projects.

Get STMicroelectronics L4971D013TR today—built for precision, high efficiency, and reliable power regulation in demanding applications.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS L4971D013TR?

You can click on the BUY or RFQ button to purchase L4971D013TR from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part L4971D013TR?

You can download the L4971D013TR datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of L4971D013TR?

STMICROELECTRONICS

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