LM2926T National Semiconductor, LM2926T Datasheet - Page 7

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LM2926T

Manufacturer Part Number
LM2926T
Description
IC REG NEG W/DELAY RESET TO220-5
Manufacturer
National Semiconductor
Datasheet

Specifications of LM2926T

Regulator Topology
Positive Fixed
Voltage - Output
5V
Voltage - Input
Up to 26V
Voltage - Dropout (typical)
0.35V @ 500mA
Number Of Regulators
1
Current - Output
500mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
*
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Limit (min)
-
Other names
*LM2926T

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Applications Information
Typical Applications
(Continued)
the LM 2926/7 may fail to bring the processor under control.
Battery Powered Regulator with Flashing
The LM2926/7 reset output may be more efficiently em-
LED for Low Battery Indication
ployed in certain applications as a means of defeating
memory WRITE lines, clocks, or external loads, rather than
depending on unspecified microprocessor operating condi-
tions.
In critical applications the microprocessor reset input should
be fully characterized and guaranteed to operate until the
clock ceases oscillating.
INPUT TRANSIENTS
The LM2926/7 are guaranteed to withstand positive input
transients to 80V followed by an exponential decay of
= 20 ms (t
= 100 ms, or 5 time constants) while maintain-
f
ing an output of less than 7V. The regulator remains opera-
tional to 26 V
, and shuts down if this value is exceeded.
DC
DS010759-9
General Microprocessor Configuration
DS010759-10
7
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