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STMICROELECTRONICS LDK120M29R Low Dropout Voltage Regulator

The LDK120 is a low dropout (LDO) voltage regulator designed for portable and battery-powered devices, providing a maximum output of 200 mA with a very low dropout voltage of approximately 100 mV at 100 mA load. It features ultra-low quiescent current, low noise, a wide input voltage range from 1.9 to 5.5 V, and supports various fixed and adjustable output voltages from 0.8 V to 3.5 V with 100 mV steps. The device offers excellent stability with ceramic capacitors, a logic-controlled shutdown, internal current and thermal limits, making it suitable for mobile phones, digital cameras, PDAs, and cordless phones.

Authorized Distributors
Source:Newark
Part No:LDK120M29R
Stock:3410
Inv Date:06-11-2026
Price: Unit price: $0.248
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Source:DigiKey
Part No:LDK120M29R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.14861
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Part No:LDK120M29R
Stock:1695
Inv Date:06-12-2026
Price: Unit price: $0.38
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Part No:LDK120M29R
Stock:3000
Inv Date:06-11-2026
Price: Unit price: $0.119
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STMICROELECTRONICS LDK120M29R Low Dropout Voltage Regulator Specifications:

  • Input Voltage Range: 1.9 to 5.5 V
  • Maximum Output Current: 200 mA
  • Dropout Voltage: Typical 100 mV at 100 mA
  • Output Voltage Tolerance: ±2.0% at 25°C
  • Output Voltages: Fixed from 0.8 V to 3.5 V with 100 mV step, adjustable from 0.8 V to Vin - Vdrop
  • Quiescent Current: Max. 100 pA in OFF mode, low run current during operation
  • Noise: Very low output noise, approximately 51 μV at 10 Hz to 100 kHz
  • Package Options: SOT23-5L, SOT323-5L, DFN6 (1.2 x 1.3 mm)
  • Temperature Range: -40°C to 125°C
  • Loads: Supports load currents up to 200 mA
  • Protection: Internal current limit, thermal shutdown, short-circuit protection
  • Features: Logic-controlled enable/ shutdown, ceramic capacitor-compatible, wide temperature range

Buy the STMicroelectronics Series LDK120 Low Dropout Voltage Regulator Part Number LDK120M29R

Purchase the STMicroelectronics LDK120 low dropout voltage regulator online today to ensure your portable and battery-powered systems operate efficiently. With support for up to 200 mA load current, ultra-low dropout, low noise, and ceramic capacitor compatibility, this highly reliable regulator is ideal for mobile phones, digital cameras, PDAs, and cordless systems. Featuring a wide input voltage range from 1.9 to 5.5 V, adjustable and fixed outputs, low quiescent current, internal protection features, and a compact package, it provides a perfect power management solution for demanding applications. Get yours now and improve your device's power stability and efficiency.

Order your STMicroelectronics LDK120 low dropout voltage regulator today and enhance your portable device designs with dependable power regulation.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LDK120M29R?

You can click on the BUY or RFQ button to purchase LDK120M29R from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LDK120M29R?

You can download the LDK120M29R datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LDK120M29R?

STMICROELECTRONICS

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