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STMicroelectronics - 200 mA very low quiescent current linear regulator IC

Numéro de référence LD39020
Description 200 mA very low quiescent current linear regulator IC
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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LD39020 fiche technique
LD39020
200 mA very low quiescent current linear regulator IC
Datasheet - production data
DFN1x1-4L
SOT23-5L
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 DFN 1x1-4L and SOT23-5L
Operating temperature range: -40 °C to
125 °C
Applications
Mobile phones
Personal digital assistants (PDAs)
Digital still cameras (DSC)
Cordless phones and similar battery-
powered systems
Portable media players
Description
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 DFN 1x1-4L 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.
June 2015
DocID025316 Rev 3
This is information on a product in full production.
1/30
www.st.com

PagesPages 30
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