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STMICROELECTRONICS LDK220PUR Low Dropout Voltage Regulator

The LDK220 is a low dropout voltage regulator designed for battery-powered applications, providing up to 200 mA of output current with a typical dropout voltage of 100 mV. It features ultra-low quiescent current, low noise, and wide input voltage range from 2.5 to 13.2 V, making it suitable for portable devices like IoT sensors, medical equipment, and portable electronics. It includes thermal and current limiting protection, an enable shutdown pin, and is available in multiple packages including SOT23-5L, SOT323-5L, SOT-89, and DFN6. Its stability is maintained with a ceramic output capacitor.

Authorized Distributors
Source:Newark
Part No:LDK220PU-R
Stock:330
Inv Date:06-11-2026
Price: Unit price: $0.412
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Source:DigiKey
Part No:LDK220PU-R
Stock:2145
Inv Date:06-11-2026
Price: Unit price: $0.42
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Part No:LDK220PU-R
Stock:649
Inv Date:06-12-2026
Price: Unit price: $0.38
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Part No:LDK220PU-R
Stock:3000
Inv Date:06-11-2026
Price: Unit price: $0.122
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Part No:LDK220PU-R
Stock:2850
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:

STMICROELECTRONICS LDK220PUR Low Dropout Voltage Regulator Specifications:

  • Input voltage range: 2.5 to 13.2 V
  • Output current: up to 200 mA
  • Dropout voltage: typ. 100 mV @ 100 mA load
  • Output voltage accuracy: ±2% @ 25°C
  • Thermal range: -40°C to 125°C
  • Packages: SOT23-5L, SOT323-5L, SOT-89, DFN6-1.2x1.3
  • Enable pin for shutdown control
  • Power dissipation: 500 mW
  • Thermal and current limit protections
  • Output capacitor: ceramic, 1 µF minimum
  • Low noise: 20-100 µV
  • Supply voltage rejection: 55-90 dB
  • Reverse current and thermal protection incorporated

Buy the STMicroelectronics Series Low Dropout Voltage Regulator: LDK220

Get the STMicroelectronics LDK220 low dropout voltage regulator online today to experience stable power delivery for your portable and battery-powered projects. With a maximum output current of 200 mA, low dropout of 100 mV, and ultra-low quiescent current, it is ideal for IoT sensors, medical devices, and portable electronics. It includes thermal and short-circuit protections and features various compact packages including SOT23-5L and DFN. Purchase now for high efficiency and dependable performance in tight spaces.

Order your STMicroelectronics Series Low Dropout Voltage Regulator, the LDK220, today and ensure your battery-powered devices operate with reliable power efficiency.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LDK220PUR?

You can click on the BUY or RFQ button to purchase LDK220PUR from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LDK220PUR?

You can download the LDK220PUR datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LDK220PUR?

STMICROELECTRONICS

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