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參數(shù)資料
| 型號(hào)： | LX8587X |
| 廠商： | Microsemi Corporation |
| 英文描述： | 3A Low Dropout Positive Regulators |
| 中文描述： | 第3A低壓差穩(wěn)壓器正 |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 293K |
| 代理商： | LX8587X |
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
Copyright
2000
Rev. 2.0a, 2005-10-25
W
M
.
C
LX8587x-xx
3A Low Dropout Positive Regulators
P
RODUCTION
D
ATA
S
HEET
TM
D E S C R I P T I O N
The LX8587/87A Series ICs are positive
regulators designed to provide 3A output
current. Pentium Processor and Power
PC applications requiring fast transient
response are ideally suited for this product
family.
The LX8587A is guaranteed to have
<1.2 dropout at 3A and the LX8587 < 1.3V
at the same current, making them ideal to
provide well-regulated outputs of 2.5V to
3.6V using a 5V input supply. Fixed
versions are also available and specified in
the Available Options table below.
Current limit is trimmed about 3.1A to
ensure adequate output current and
controlled short-circuit current. On-chip
thermal limiting provides protection against
any combination of overload conditions that
would create excessive junction
temperatures.
The LX8587/87A family of products are
available in the TO-220 through hole, the
TO-263 surface-mount, and the TO-252
surface-mount packages. For higher current
applications see the LX8585 and the
LX8584 data sheets.
IMPORTANT:
For the most current data, consult
MICROSEMI
’s website:
http://www.microsemi.com
P R O D U C T H I G H L I G H T
T
YPICAL
A
PPLICATION OF THE
LX8587/87A
IN A
5V
TO
3.3V
M
OTHERBOARD
*1500μF
6MV1500GX
Sanyo
121
Ω
1%
200
Ω
1%
IN
ADJ
OUT
V
IN
> 4.75V
3.3V
at 3A
1500μF
2x 6MV1500GX
Sanyo
+
+
LX8587A
The output capacitors must be low ESR and low ESL type for good transient response
.
K E Y F E A T U R E S
Three-Terminal Adjustable Or
Fixed Output
Guaranteed < 1.2V Headroom At
3A (LX8587A)
Guaranteed < 1.3V Headroom At
3A (LX8587)
Output Current of 3A
Fast Transient Response
1% Voltage Reference Initial
Accuracy
Output Short Circuit Protection
Built-In Thermal Shutdown
A P P L I C A T I O N S
Pentium Processor Supplies
Power PC Supplies
Microprocessor Supplies
Low Voltage Logic Supplies
Post Regulator for Switching
Supply
ASIC & Low Voltage Chipset
Supplies
Graphics & Sound Cards
Processor I/O Supply
P A R T #
O U T P U T
V O L T A G E
LX8587/87A-00
Adjustable
LX8587/87A-15
1.5V
LX8587/87A-33
3.3V
Table 1
- Available Options
PACK AGE ORDER INFO
DT
(D-Pak) 3-Pin
RoHS Compliant
Transition DC: 0532
LX8587-xxCDT
LX8587A-xxCDT
Plastic TO-252
P
Plastic TO-220
3-Pin
RoHS Compliant
Transition DC: 0543
LX8587-xxCP
LX8587A-xxCP
DD
Plastic TO-263
3-Pin
RoHS Compliant
Transition DC: 0535
LX8587-xxCDD
LX8587A-xxCDD
T
A
(
°
C)
Max Dropout
Voltage
1.3V
1.2V
0 to 125
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX8587-00CP-TR)
L
X
8
5
8
7
X
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LX8587-XXCDD | 3A Low Dropout Positive Regulators |
| LX8587-XXCDT | 3A Low Dropout Positive Regulators |
| LX8587-XXCP | 3A Low Dropout Positive Regulators |
| LX8819 | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| LX8819-25CDF | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LX8587-XX | 制造商:MICROSEMI 制造商全稱(chēng):Microsemi Corporation 功能描述:3A LOW DROPOUT POSITIVE REGULATORS |
| LX8587-XXCDD | 制造商:MICROSEMI 制造商全稱(chēng):Microsemi Corporation 功能描述:3A Low Dropout Positive Regulators |
| LX8587-XXCDD-TR | 制造商:MICROSEMI 制造商全稱(chēng):Microsemi Corporation 功能描述:3A Low Dropout Positive Regulators |
| LX8587-XXCDT | 制造商:MICROSEMI 制造商全稱(chēng):Microsemi Corporation 功能描述:3A Low Dropout Positive Regulators |
| LX8587-XXCDT-TR | 制造商:MICROSEMI 制造商全稱(chēng):Microsemi Corporation 功能描述:3A Low Dropout Positive Regulators |
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