myMectronic
myMectronic

A Premier B2B Part Search

STMICROELECTRONICS LDK120PU29R Voltage Regulator

The LDK120 is a low dropout voltage regulator providing up to 200 mA of current with a typical dropout voltage of 100 mV, ideal for battery-powered applications. It features low quiescent current, ultra-low noise, and a wide input voltage range of 1.9 to 5.5 V. Designed for portable devices such as mobile phones, PDAs, digital cameras, and cordless phones, it offers fixed and adjustable output voltages with high precision, internal current and thermal limits, and logic-controlled shutdown. Available in small SOT23-5L, SOT323-5L, and DFN6 packages for space-constrained designs.

Authorized Distributors
Source:Newark
Part No:LDK120PU29R
Stock:2868
Inv Date:06-11-2026
Price: Unit price: $0.233
Buy/RFQ:
Source:DigiKey
Part No:LDK120PU29R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.14861
Buy/RFQ:
Part No:LDK120PU29R
Stock:2961
Inv Date:06-12-2026
Price: Unit price: $0.38
Buy/RFQ:
Part No:LDK120PU29R
Stock:3000
Inv Date:06-11-2026
Price: Unit price: $0.119
Buy/RFQ:
Part No:LDK120PU29R
Stock:3000
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:

STMICROELECTRONICS LDK120PU29R Voltage Regulator Specifications:

  • Input voltage range: 1.9 to 5.5 V
  • Maximum output current: 200 mA
  • Dropout voltage: typ. 100 mV at 100 mA load
  • Output voltage tolerance: ±2.0% @ 25°C
  • Output noise: 51 uV rms (typ.)
  • Quiescent current: max. 100 pA in OFF mode, typical 50-100 uA in ON
  • Temperature range: -40°C to 125°C
  • Output capacitor: ceramic capacitor, ≥1 uF
  • Packages: SOT23-5L, SOT323-5L, DFN6 (1.2 x 1.3 mm)
  • Internal current and thermal limit
  • Suitable for portable applications like mobile phones, PDAs, digital cameras
  • Logic-controlled enable/disable feature
  • Short-circuit and thermal protection

Buy the STMicroelectronics LDK120 – Reliable Voltage Regulator for Industrial Applications

Purchase the STMicroelectronics LDK120 voltage regulator online today and ensure your electronic device benefits from consistent power delivery, low noise, and low dropout voltage. Its compact size and wide input voltage range make it ideal for space-constrained, battery-powered applications like mobile phones, PDAs, digital cameras, and cordless phones. With high efficiency, internal thermal and current limits, and a simple ceramic capacitor stabilization, this regulator guarantees optimal performance, durability, and energy efficiency. Don’t miss the opportunity to upgrade your design with a trusted power management solution from STMicroelectronics.

Buy STMicroelectronics LDK120 now and experience unmatched reliability and performance in your battery-powered and portable electronic projects.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LDK120PU29R?

You can click on the BUY or RFQ button to purchase LDK120PU29R from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LDK120PU29R?

You can download the LDK120PU29R datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LDK120PU29R?

STMICROELECTRONICS

STMICROELECTRONICS Part List

Browse and search other STMICROELECTRONICS parts, locate datasheets and stock

Sponsored by