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LD56050DPU100R

LD56050DPU100R

LD56050DPU150R

LD56050DPU150R

LD56050DPU115R

Evaluation

500 mA ultra-low dropout linear regulator with bias supply

Quantity $ per Unit Savings
1 - 9$0.670%
10 - 99$0.530%
100 - 499$0.390%
500$0.330%
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Out of stock
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Parameter NameParameter Value
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
ROHS Compliance GradeEcopack2
GradeIndustrial
Package NameDFN4 1.2x1.2

The LD56050 is a high accuracy voltage regulator, which provides 0.5 A of current. It is equipped with an NMOS pass transistor, whose gate is biased by a dedicated pin, thus allowing an ultra low-drop performance even at very low input voltages.


It is available in DFN4 1.2 x 1.2 package, allowing the maximum space saving.


The device is stabilized with a small ceramic capacitor on the output. The ultra low-drop, low quiescent current and short circuit current foldback make the LD56050 suitable for low power battery-operated applications.


An enable logic control function puts the LD56050 in shutdown mode allowing a total current consumption lower than 0.1 µA. Thermal protection is also included.

Key features
  • Input voltage from 0.8 to 5.5 V
  • Bias supply pin
  • Ultra low-dropout voltage (120 mV max. at 500 mA load)
  • Low ground current (27 μA typ. at no-load)
  • Output voltage tolerance: ± 1.5% overtemperature, 0.5% at 25 °C
  • 500 mA guaranteed output current
  • 50 mV output voltage step available from 0.8 V to 3.6 V
  • Logic-controlled electronic shutdown
  • Internal current limit with foldback
  • Thermal shutdown
  • Output active discharge function
  • Available in DFN4 1.2 x 1.2 mm package
  • Temperature range: -40 °C to 85 °C