參數(shù)資料
型號： LX5261CDP
廠商： MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類： 通用總線功能
英文描述： 27-Line LVD SCSI Source/Sink Regulator
中文描述： 27-LINE BUS TERMINATOR SUPPORT CIRCUIT, PDSO16
封裝： ROHS COMPLIANT, SOIC-16
文件頁數(shù)： 1/6頁
文件大?。?/td> 157K
代理商： LX5261CDP
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
Copyright
2000
Rev. 1.0c, 2005-02-08
W
M
.
C
LX5261
27-Line LVD SCSI Source/Sink Regulator
P
RODUCTION
D
ATA
S
HEET
TM
D E S C R I P T I O N
The LX5261 is a source/sink
regulator designed to provide the
correct reference voltages and bias
currents for SCSI LVD applications.
With the proper LVD termination
network (475
, 121
, 475
), the
LX5261 assures that LVD performance
is compliant to the SPI-2 (Ultra2), SPI-
3 (Ultra160) and SPI-4 (Ultra320)
specification.
The LX5261 provides two fixed
regulated outputs (1.75V and 0.75V)
each capable of sourcing / sinking
200mA, along with a buffered 1.3V
output for DIFSENS signaling.
The
LX5261
trimming of the internal voltage enabling
precise output voltages; typically +/- 1%
of its specified value. Thermal Shutdown
and Current Limiting is integrated on-
chip.
The LX5261 is available in the 16-
pin SOIC (DP) package.
features
on-chip
IMPORTANT:
For the most current data, consult
MICROSEMI
’s website:
http://www.microsemi.com
K E Y F E A T U R E S
Compliant with SPI-2 (Ultra2),
SPI-3 (Ultra160), and SPI-4
(Ultra320)
2.7V to 5.25V Operation
200mA Source/Sink Capability
DIFSENS Line Driver
Current Limit and Thermal
Protection
Pin Compatible With Unitrode
UCC561
T Y P I C A L A P P L I C A T I O N
+
-
7
3
VTERM
2.7V to 5.25V
1.3V
Reference
+
-
1.75V
Reference
+
-
0.75V
Reference
1.3V +/- 0.1V
1.75V +/- 0.05V
200mA source/sink
0.75V +/- 0.05V
200mA source/sink
2
4
GND
DIFSENS
VOUT1
VOUT2
475
1%
475
1%
121
1%
L1-
L1+
27
LVD
Pairs
4.7uF
4.7uF
4.7uF
475
1%
475
1%
121
1%
L27-
L27+
6
PACK AGE ORDER INFO
DP
T
A
(
°
C)
SOIC
16-Pin
RoHS Compliant / Pb-free
Transition DC: 0440
LX5261CDP
0 to 70
Note: Available in Tape & Reel.
Append the letters “TR” to the part number. (i.e. LX5261CDP-TR)
L
X
5
2
6
1
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