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LD39020DTPU15R

LD39020DTPU15R

LD39020TPU33R

LD39020TPU33R

LD39020ATPU33R

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200 mA very low quiescent current Linear regulator IC

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1 - 9$0.530%
10 - 99$0.4516%
100 - 499$0.3142%
500$0.2651%
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Parameter NameParameter Value
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameDFN4 1x1

The LD39020 high accuracy voltage regulator provides 200 mA of maximum current from an input voltage ranging from 1.5 V to 5.5 V, with a typical dropout voltage of 200 mV.


It is available in DFN4 1x1 and SOT23-5L packages, allowing the maximum space saving.


The device is stabilized with a ceramic capacitor on the output. The ultra low drop voltage, low quiescent current and low noise features, together with the internal soft-start circuit, make the LD39020 suitable for low power battery-operated applications.


An enable logic control function puts the LD39020 in shutdown mode allowing a total current consumption lower than 0.1 µA. Constant current and thermal protection are provided.

Key features
  • Input voltage from 1.5 to 5.5 V
  • Ultra low dropout voltage (200 mV typ. at 200 mA load)
  • Very low quiescent current (20 µA typ at no load, 0.03 µA typ in off mode)
  • Output voltage tolerance: ± 0.5 % (A version) or ± 2.0 % @ 25 °C (standard version)
  • 200 mA guaranteed output current
  • High PSRR (80 dB@1 kHz, 50 db@100 kHz)
  • Wide range of output voltages available on request: from 0.8 V up to 5.0 V in 50 mV step
  • Logic-controlled electronic shutdown
  • Internal soft-start
  • Optional output voltage discharge feature
  • Compatible with ceramic capacitor COUT = 0.47 µF
  • Internal constant current and thermal protections
  • Available in DFN4 1x1 and SOT23-5L
  • Operating temperature range: -40 °C to 125 °C