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LD1580K5 Scheda tecnica(PDF) 1 Page - STMicroelectronics

Il numero della parte LD1580K5
Spiegazioni elettronici  7 A VERY LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD1580K5 Scheda tecnica(HTML) 1 Page - STMicroelectronics

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November 2002
s
OUTPUT CURRENT LIMIT
s
LOW DROPOUT VOLTAGE: TYPICALLY
400mV AT 7A OUTPUT CURRENT
s
OUTPUT VOLTAGE REMOTE SENSE PIN
s
FAST TRANSIENT RESPONSE
s
THERMAL SHUTDOWN PROTECTION
WITH HYSTERESIS
s
WIDE OPERATING TEMPERATURE RANGE
-40°C TO 125°C
s
NO SUPPLY SEQUENCING PROBLEMS IN
DUAL SUPPLY MODE
s
OUTPUT VOLTAGES AVAILABLE 1.5 V, 1.8V,
2.5 V, 3.0 V, 3.3 V ADJUSTABLE.
DESCRIPTION
The LD1580 is a very low dropout positive linear
voltage
regulator
particularly
suitable
in
applications requiring output currents up to 7 A.
The LD1580 typical dropout voltage is 400mV at
7A
while
it
decreases
at
lighter loads.
This very low dropout is achieved thanks to a
second input voltage pin, named VCONTROL,
which is also responsable of the output power
stage driving.
The LD1580 is provided with an output voltage
remote sense pin which reduces dramatically any
output voltage variations that could occur due to
load changes.
On fixed voltage devices, the ADJ pin is still
available. A small capacitor on this pin helps to
improve transient response.
LD1580
7 A VERY LOW DROP POSITIVE VOLTAGE REGULATOR
ADJUSTABLE AND FIXED
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
SCHEMATIC DIAGRAM
HEPTAWATTTM
PENTAWATTTM
P2PAK
1
5
SPAK-5L
SPAK-7L
PRELIMINARY DATA


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