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LDBL20 Datasheet

200mA very low quiescent current linear regulator IC

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LDBL20
200 mA very low quiescent current linear regulator IC in
(0.47x0.47) mm² STSTAMP™ package
Datasheet - production data
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™ (0.47x0.47) mm²
package
Operating temperature range: -40 °C to
125 °C
Applications
Mobile phones
Tablet
Digital still cameras (DSC)
Wearable devices
Portable media players
Description
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.
August 2017
DocID028296 Rev 2
This is information on a product in full production.
1/21
www.st.com


STMicroelectronics Electronic Components Datasheet

LDBL20 Datasheet

200mA very low quiescent current linear regulator IC

No Preview Available !

Contents
Contents
LDBL20
1 Diagram............................................................................................ 3
2 Pin configuration ............................................................................. 4
3 Typical application .......................................................................... 5
4 Maximum ratings ............................................................................ 6
5 Electrical characteristics ................................................................ 7
6 Application information .................................................................. 9
6.1 Soft-start function .............................................................................. 9
6.2 Output discharge function ................................................................. 9
6.3 Input output capacitors...................................................................... 9
7 Typical characteristics.................................................................. 10
8 Recommendation on PCB assembly ........................................... 14
8.1 PCB design recommendations........................................................ 14
8.2 Stencil ............................................................................................. 14
8.3 Solder paste .................................................................................... 14
8.4 Placement ....................................................................................... 14
8.5 Reflow profile .................................................................................. 15
9 Package information ..................................................................... 16
9.1 STSTAMP™ (0.47x0.47) mm² package information ....................... 17
10 Ordering information..................................................................... 19
10.1 Marking information......................................................................... 19
11 Revision history ............................................................................ 20
2/21 DocID028296 Rev 2


Part Number LDBL20
Description 200mA very low quiescent current linear regulator IC
Maker STMicroelectronics
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LDBL20 Datasheet PDF






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