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PDF LX8580-00 Data sheet ( Hoja de datos )
| Número de pieza | LX8580-00 | |
| Descripción | 7A VERY LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR | |
| Fabricantes | Microsemi Corporation | |
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THE IN F I N I T E P O W E R OF IN N O VAT I O N
LX8580
7A VERY LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
PRODUCTION DATA SHEET
DESCRIPTION
The LX8580 is a high-performance, very
low dropout voltage regulator, designed for
use with advanced microprocessors. This
product can be used with separate voltage
supplies for the control and power sections,
allowing a power section dropout voltage
as low as 100mV. The LX8580 can also be
used in a single voltage supply configuration,
with a dropout performance similar to that
of the LX8584 (1.3V at 7A).
The LX8580 is supplied in a five-
terminal TO-220 package, which allows the
implementation of remote (Kelvin) voltage
sensing. This sensing compensates for
output voltage variations due to load
changes and resistive voltage drops in
connectors and board traces. Typical load
regulation measured at the sense pin is less
than 1mV for a load current step of 7mA
to 7A.
The LX8580 is ideal for generating a
secondary 2 - 2.5V low voltage supply on a
motherboard where a 3.3V supply is already
available.
NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com.
KEY FEATURES
I Low Dropout, 800mV Max. at 7A
Output Current in Dual Supply Mode
I Fast Transient Response
I Remote Sensing
! 1mV Load Regulation
! Adjustable Output
! No Supply Sequencing Problems in Dual
Supply Mode
A P P L I C AT I O N S
I Microprocessor Supplies
I 3.3V to 2.5V Processor Power Supplies
I High-Current Regulators
I Post Regulators for Switching Supplies
PRODUCT HIGHLIGHT
SPECIAL CAPABILITIES OF THE LX8580 TO ALLOW 44%
SMALLER LDO THERMAL DISSIPATION
VCTRL ³ VOUT + 1.3V Max
VPWR ³ VOUT + VDROPOUT
4 VCTRL OUTPUT 3
LX8580
5 VPWR SENSE 1
ADJUST
2
RA
VOUT = VREF
1
+
RB
RA
+
IADJ
x
RB
RB
LOAD
VOUT
Copyright © 1999
Rev. 1.0 11/99
TA (°C)
0 to 125
PACKAGE ORDER INFORMATION
Dropout
Voltage
P
Plastic TO-220
5-pin
DD
Plastic
5-pin
TO-263
0.1V - 0.8V
LX8580-00CP
LX8580-00CDD
LINFINITY MICROELECTRONICS INC.
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570
1
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet LX8580-00.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| LX8580-00 | 7A VERY LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR | Microsemi Corporation |
| LX8580-00CDD | 7A VERY LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR | Microsemi Corporation |
| LX8580-00CP | 7A VERY LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR | Microsemi Corporation |
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