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LDBL20D-18R

LDBL20D-18R

LDBL20D-33R

LDBL20D-33R

LDBL20D-25R

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200 mA very low quiescent current linear regulator IC in (0.47x0.47) mm² ST STAMP™ package

Quantity $ per Unit Savings
1 - 9$1.170%
10 - 24$1.0610%
25 - 99$1.0015%
100 - 249$0.8230%
250 - 499$0.7735%
500$0.6842%
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$1.17
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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 Compliance GradeEcopack2
GradeIndustrial
Package NameSTSTAMP

The LDBL20 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 the new STSTAMP™ package, 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 LDBL20 suitable for low power battery-operated applications.


An enable logic control function puts the LDBL20 in shutdown mode with a total current consumption lower than 0.2 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: ± 1.5% @ 25 °C
  • 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 STSTAMP™ (0.47 x 0.47) mm² package
  • Operating temperature range: -40 °C to 125 °C