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STMICROELECTRONICS LD1117V18 Low Drop Regulator

This low dropout voltage regulator provides a stable 1.8V output with a maximum output current of 800 mA. It is available in various packages including SOT-223, DPAK, SO-8, and TO-220, ensuring excellent thermal performance and space-saving design. Featuring internal current and thermal limits, low dropout voltage (1.15 V typical at 800 mA), and high efficiency, it is suitable for powering sensitive electronics requiring tight voltage regulation. Its low output noise voltage of 100 µV (10 Hz to 10 kHz) guarantees clean power supply for high-performance applications.

Authorized Distributors
Source:Newark
Part No:LD1117V18
Stock:78
Inv Date:06-11-2026
Price: Unit price: $0.689
Buy/RFQ:
Source:DigiKey
Part No:LD1117V18
Stock:499
Inv Date:06-11-2026
Price: Unit price: $0.57
Buy/RFQ:
Part No:LD1117V18
Stock:2252
Inv Date:06-12-2026
Price: Unit price: $0.57
Buy/RFQ:

STMICROELECTRONICS LD1117V18 Low Drop Regulator Specifications:

  • Output Voltage: 1.8 V (typical)
  • Maximum Output Current: 800 mA
  • Dropout Voltage: 1.15 V at 800 mA
  • Input Voltage Range: 3.3 V to 8 V
  • Line Regulation: 0.2% (max.)
  • Load Regulation: 0.4% (max.)
  • Thermal Resistance Junction-Case: 20 °C/W (SO-8)
  • Thermal Resistance Junction-Ambient: 55 °C/W
  • Output Noise Voltage: 100 µV
  • Input Voltage: 3.3 V to 8 V
  • Package Types: SOT-223, DPAK, SO-8, TO-220
  • Operating Temperature Range: -40°C to +125°C
  • Long Term Stability: 0.3%
  • Internal Thermal and Current Limiting
  • Typical Quiescent Current: 5-10 mA

Buy the Buy STMicroelectronics LD1117V18 Low Drop Voltage Regulator Part Number LD1117V18 Online

Experience reliable, low noise power delivery with the STMicroelectronics LD1117V18 voltage regulator. Capable of supplying up to 800 mA current, it features low dropout voltage of 1.15 V at full load and offers excellent thermal management through various package options such as SOT-223, DPAK, SO-8, and TO-220. Its internal current and thermal limits ensure safe operation, making it ideal for powering sensitive and precision electronic devices. Simplify your design process by purchasing online today for fast delivery and competitive prices.

Get STMicroelectronics LD1117V18 today—designed for reliable power regulation with low dropout, high efficiency, and low noise for sensitive electronics.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LD1117V18?

You can click on the BUY or RFQ button to purchase LD1117V18 from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LD1117V18?

You can download the LD1117V18 datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LD1117V18?

STMICROELECTRONICS

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