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PDF LDK220 Data sheet ( Hoja de datos )
| Número de pieza | LDK220 | |
| Descripción | 200 mA low quiescent current and low noise LDO | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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LDK220
200 mA low quiescent current and low noise LDO
Datasheet - production data
Features
Input voltage from 2.5 to 13.2 V
Very low-dropout voltage (100 mV typ. @
100 mA load)
Low quiescent current (typ. 55 µA, 1 µA in
off mode)
Low noise
Output voltage tolerance: ± 2.0% @ 25 °C
200 mA guaranteed output current
Wide range of output voltages available on
request: fixed from 1.2 V to 12 V with
100 mV step and adjustable
Logic-controlled electronic shutdown
Compatible with ceramic capacitor
COUT = 1 µF
Internal current and thermal limit
Available in SOT23-5L, SOT323-5L, SOT-89
and DFN6-1.2x1.3 packages
Temperature range: -40 °C to 125 °C
Applications
Battery-powered equipment
TV
Set-top box
PC and laptop
Industrial
Description
The LDK220 is a low drop voltage regulator,
which provides a maximum output current of
200 mA from an input voltage in the range of
2.5 V to 13.2 V, with a typical dropout voltage of
100 mV.
A ceramic capacitor stabilizes it on the output.
The very low drop voltage, low quiescent current
and low noise make it suitable for battery-
powered applications.
The enable logic control function puts the
LDK220 in shutdown mode allowing a total
current consumption lower than 1 µA.
The device also includes a short-circuit constant
current limiting and thermal protection.
October 2016
DocID026015 Rev 4
This is information on a product in full production.
1/28
www.st.com
1 page  
LDK220
3 Typical application
Figure 4: Typical application circuits
Typical application
Adjustable version and enable pin are not available on the SOT-89 package.
DocID026015 Rev 4
5/28
5 Page 
LDK220
Figure 11: Line regulation vs. temperature
(VOUT = VADJ)
Typical performance characteristics
Figure 12: Load regulation vs. temperature
(VOUT = 3.3 V)
Figure 13: Load regulation vs. temperature
(VOUT = VADJ)
Figure 14: Enable thresholds vs. temperature
Figure 15: Dropout voltage vs. temperature
Figure 16: Quiescent current vs. temperature
(IOUT = 0 mA)
DocID026015 Rev 4
11/28
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet LDK220.PDF ] | |
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