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LD2979 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. LD2979
Description  VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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LD2979 Datasheet(HTML) 1 Page - STMicroelectronics

   
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LD2979
SERIES
VERY LOW DROP
VOLTAGE REGULATORS WITH INHIBIT
April 2000
s
VERY LOW DROPOUT VOLTAGE
(0.2V TYP. AT 50mA LOAD)
s
VERY LOW QUIESCENT CURRENT
(TYP. 500
µA AT50mA LOAD)
s
OUTPUT CURRENT UP TO 50 mA
s
LOGIC-CONTROLLED ELECTRONIC
SHUTDOWN
s
OUTPUT VOLTAGES OF 2.85; 3.0; 3.2; 3.3;
3.8; 5.0V
s
INTERNAL CURRENT AND THERMAL LIMIT
s
SUPPLY VOLTAGE REJECTION: 63dB (TYP)
s
ONLY 1
µF FOR STABILITY
s
SELECTION AT 25
oC
s
TEMPERATURE RANGE: -25 TO 125
oC
s
PACKAGE AVAILABLE:SOT23-5L AND TO-92
DESCRIPTION
The LD2979 series are very Low Drop regulators
available in SOT23-5L and TO-92.
The very low drop-voltage and the very low
quiescent current make them particularly suitable
for low noise, low power applications and in
battery powered systems.
Shutdown Logic Control function is available on
five pin version (TTL compatible). This means
that when the device is used as local regulator, it
is possible to put a part of the board in standby,
decreasing the total power consumption.
SCHEMATIC DIAGRAM
SOT23-5L
TO-92
®
1/9


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