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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 3,000

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: 20 Weeks
Minimum Order: 3,000
Multiple Of: 3,000
Quantity Web Price
3,000+ $0.91


Attributes Table
Input Voltage-Min 1.5V
Input Voltage-Max 5.5V
Output Voltage Range 0.8V to 4.5V
Dropout Voltage-Max 0.4V
Output Current-Max 1A
Tolerance (%) ±2%
Operating Temp Range -40°C to +125°C
Regulator Topology Adjustable
Quiescent Current 20µA
No. of Outputs Single
Output Noise 30µV
Load Regulation (%) 0.002%
Current - Limit 2.5A
Line Regulation (%) 0.01%
Features and Applications

The LD39100PUR is a low quiescent current, low noise voltage regulator with an output voltage of 0.8 V and an output current up to 1 A. It is available in surface mount DFN-6 package.

This device includes short-circuit constant current limiting and thermal protection. It is suitable for low power battery powered applications.


  • Input voltage from 1.5 to 5.5 V
  • Ultra low dropout voltage
  • Very low quiescent current
  • Very low noise with no bypass capacitor
  • Output voltage tolerance: ±2 % @ 25 °C
  • 1 A guaranteed output current
  • Wide range of output voltages available on request: 0.8 V to 4.5 V with 100 mV step and adjustable from 0.8 V
  • Logic-controlled electronic shutdown
  • Stabilized with ceramic capacitors COUT= 1 μF
  • Internal current and thermal limit
  • DFN6 (3 x 3 mm) package
  • Temperature range: - 40 °C to 125 °C