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STMICROELECTRONICS LDK130C15R Low Dropout Regulator

The LDK130 is a highly efficient low dropout regulator delivering up to 300 mA of current with an input voltage range of 1.9 V to 5.5 V. It features extremely low noise, low quiescent current (max 120 μA), and very low dropout voltage (typ. 100 mV at 100 mA load). The device supports wide fixed output voltages from 0.8 V to 3.5 V in 100 mV steps, and an adjustable version from 0.8 V up to Vin minus dropout. Its thermal protection, internal current limiting, and compatibility with ceramic capacitors make it ideal for battery-powered applications such as mobile phones, PDAs, digital cameras, and cordless phones.

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Source:Newark
Part No:LDK130C15R
Stock:2175
Inv Date:06-11-2026
Price: Unit price: $0.268
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Source:DigiKey
Part No:LDK130C15R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.15662
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Part No:LDK130C15R
Stock:2279
Inv Date:06-12-2026
Price: Unit price: $0.31
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Part No:LDK130C15R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.58
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Part No:LDK130C15R
Stock:3000
Inv Date:06-11-2026
Price: Unit price: $0.125
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Part No:LDK130C15R
Stock:3000
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS LDK130C15R Low Dropout Regulator Specifications:

  • Input voltage: 1.9 V to 5.5 V
  • Output current: 300 mA
  • Dropout voltage: typ. 100 mV at 100 mA load
  • Output voltage tolerance: ±2.0% at 25°C
  • Fixed output voltages: from 0.8 V to 3.5 V in 100 mV steps; adjustable from 0.8 V to Vin minus dropout
  • Dropout voltage: max. 400 mV at 300 mA load
  • Quiescent current: max. 120 μA in active mode, <1 μA in shutdown
  • Noise: 51 μVrms (fixed version), 130 μVrms (adjustable version)
  • Enable control: logic input for shutdown
  • Thermal and current limits: internal mechanisms protected
  • Capacitor requirement: ceramic capacitor, typically ≥1 μF
  • Temperature range: -40°C to +125°C
  • Package options: SOT23-5L, SOT323-5L, DFN6 (1.2 x 1.3 mm)

Buy the Buy STMicroelectronics LDK130 Part Number LDK130C15R Online

Secure your supply chain by purchasing the STMicroelectronics LDK130C15R low dropout regulator online. Perfect for mobile devices, digital cameras, and cordless phones, it offers high efficiency, low noise, and a wide input voltage range of 1.9 to 5.5 V. With a maximum current of 300 mA, it features low dropout voltage, internal current and thermal protection, and is compatible with ceramic capacitors. Its compact packages ensure easy integration into space-constrained designs, making it ideal for battery-powered applications requiring stable and clean power delivery.

Order your STMicroelectronics LDK130C15R low noise regulator today and ensure reliable, efficient power for your portable battery-powered projects.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LDK130C15R?

You can click on the BUY or RFQ button to purchase LDK130C15R from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LDK130C15R?

You can download the LDK130C15R datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LDK130C15R?

STMICROELECTRONICS

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