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LM2931 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. LM2931
Description  VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT FUNCTION
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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LM2931 Datasheet(HTML) 1 Page - STMicroelectronics

 
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March 2004
s
VERY LOW DROPOUT VOLTAGE (0.15V
TYP. AT 10mA LOAD)
s
LOW QUIESCENT CURRENT (TYP. 2.5mA,
AT 100mA LOAD)
s
OUTPUT CURRENT UP TO 100mA
s
ADJUSTABLE (FROM VOUT =2.5V ONLY
SO-8) AND FIXED (3.3V & 5V) OUTPUT
VOLTAGE VERSION
s
INTERNAL CURRENT AND THERMAL LIMIT
s
LOAD DUMP PROTECTION UP TO 60V
s
REVERSE TRANSIENT PROTECTION UP
TO -50V
s
TEMPERATURE RANGE: -40 TO 125°C
s
PACKAGE AVAILABLE: TO-92, DPAK,
TO-220, SO-8 (WITH INHIBIT CONTROL)
DESCRIPTION
The LM2931 series are very low drop regulators.
The very low drop voltage and the low quiescent
current make them particular suitable for low
noise, low power applications and in battery
powered systems. In the 8 pin configuration
(SO-8), fully compatible to the older L78L00
family, a shut down Logic Control function is
available.
This means that when the device is used as a
local regulator is possible to put a part of the board
in
stand-by
decreasing
the
total
power
consumption. Ideal for automotive application the
LM2931
is
protected
from
reverse
battery
installations or 2 battery jumps. During the
transient, such as a a load dump (60V) when the
input voltage can exceed the specified maximum
operating input voltage (26V), the regulator will
automatically shut down to protect both internal
circuit and the load.
LM2931
SERIES
VERY LOW DROP
VOLTAGE REGULATORS WITH INHIBIT FUNCTION
SCHEMATIC DIAGRAM
TO-220
SO-8
TO-92
DPAK


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