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300 mA very low dropout linear regulator IC

Quantity $ per Unit Savings
1 - 9$0.520%
10 - 99$0.4218%
100 - 499$0.3042%
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In stock
Parameter NameParameter Value
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
Packing TypeTape And Reel
RoHs compliantEcopack2
Package NameDFN4 1x1

The LD59030 high accuracy voltage regulator provides 300 mA of maximum current from an input voltage ranging from 1.5 V to 5.5 V, with a typical dropout voltage of 135 mV at VOUT = 3.3 V.

It is available in DFN4 1x1 package, allowing the maximum space saving.

The device works 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 and output current fold-back protection, make the LD59030 suitable for low power battery-operated applications.

An enable logic control function puts the LD59030 in shutdown mode allowing a total current consumption lower than 0.03 µA.

Key features
  • Input voltage from 1.5 to 5.5 V
  • Ultra low dropout voltage (135 mV typ. at 300 mA load)
  • Very low quiescent current (28 µA typ. at no load, 0.03 µA typ. in off mode)
  • Internal current fold-back
  • Output voltage tolerance: ± 1 % @ 25 °C
  • 300 mA guaranteed output current
  • High PSRR: 75 dB@1 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
  • Thermal protection
  • Available in DFN4 1x1
  • Operating temperature range: -40 °C to 125 °C