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STMICROELECTRONICS LDK220M40R Low Dropout Regulator

The LDK220 is a versatile low-dropout regulator designed for battery-powered devices, TVs, set-top boxes, and industrial applications. It provides up to 200 mA of output current with a typical dropout voltage of 100 mV, ensuring efficient power delivery. The device features an input voltage range of 2.5 to 13.2 V, very low quiescent current, low noise, and an enable pin for shutdown control. Available in SOT23-5L, SOT323-5L, and DFN packages, it includes internal current and thermal limit protection, making it suitable for a broad range of portable and embedded systems, ensuring reliable operation across temperature ranges.

Authorized Distributors
Source:Newark
Part No:LDK220M40R
Stock:500
Inv Date:06-11-2026
Price: Unit price: $0.35
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Source:DigiKey
Part No:LDK220M40R
Stock:8245
Inv Date:06-11-2026
Price: Unit price: $0.14807
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Part No:LDK220M40R
Stock:8213
Inv Date:06-12-2026
Price: Unit price: $0.35
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Part No:LDK220M40R
Stock:6000
Inv Date:06-11-2026
Price: Unit price: $0.122
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Part No:LDK220M40R
Stock:9000
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:

STMICROELECTRONICS LDK220M40R Low Dropout Regulator Specifications:

  • Input voltage range: 2.5 to 13.2 V
  • Output current: guaranteed 200 mA
  • Dropout voltage: 100 mV at 100 mA load
  • Output voltage tolerance: ±2.0% @ 25°C
  • Available fixed options: 1.2 V to 12 V in 100 mV steps, adjustable versions also available
  • Low quiescent current: typical 55 μA in off mode
  • Enabled with logic-controlled shutdown
  • Compatible with ceramic capacitor, typically 1 μF
  • Thermal and current overload protection
  • Temperature range: -40°C to 125°C
  • Package options: SOT23-5L, SOT323-5L, DFN6-1.2x1.3
  • Designed for efficient, low-noise power regulation in portable electronics

Buy the Buy STMicroelectronics LDK220 Part Number LDK220M40R Online

Purchase the LDK220 low dropout regulator online to ensure your electronic devices operate efficiently with stable voltage and low noise. Designed for applications such as battery-powered equipment, TVs, set-top boxes, and industrial systems, it guarantees 200 mA of output current with low dropout and quiescent current. The device offers adjustable and fixed voltage options, internal protection features, and is available in multiple compact packages. Buy online now for fast delivery and quality assurance for your critical projects.

Order your STMicroelectronics SeriesLDK220 LDK220M40R today and ensure reliable, low-noise power for your battery-powered projects.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LDK220M40R?

You can click on the BUY or RFQ button to purchase LDK220M40R from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LDK220M40R?

You can download the LDK220M40R datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LDK220M40R?

STMICROELECTRONICS

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