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LX8587
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General Description

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MFG:LINFINITY Package Cooled:SMD

LX8 Series Datasheet download

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Part Number: LX8587

MFG: LINFINITY

Package Cooled: SMD

Description: The LX8587/87A Series ICs are positive regulators designed to provide 3A output current. Pentium® Processor and Pow...

LX8587 General Description

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.

LX8587 Maximum Ratings

Power Dissipation ......................................................................................................... Internally Limited
Input Voltage ................................................................................................................ 10V
Input to Output Voltage Differential............................................................................... 10V
Maximum Output Current............................................................................................... 5A
Maximum Operating Junction Temperature ................................................................... 150°C
Storage Temperature Range.......................................................................................... -65°C to 150°C
Peak Package Solder Reflow Temp. (40 seconds max. exposure) ................................. 260°C (+0,-5)

Note:
Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of specified terminal.

LX8587 Features

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

LX8587 Typical Application

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

LX8587 Connection Diagram

LX8587 datasheet

LX8587/87A-00
PDF/DataSheet Download

Datasheet: LX8587/87A-00
File Size: 290450 KB
Manufacturer: MICROSEMI [Microsemi Corporation]
Click here to Download

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Related Part Number

LX8587 Relative Products

LX8586A-33
The LX8586/LX8586A-33 series ICs are low dropout three-terminal regulators with a minimum of 6A output current. Pentium® Processor, Power PCTM, Cyrix® 6x86TM and AMD-K5TM applications requiring fast transient response are ideally suited for this prod...
LX8586A-00
The LX8586/LX8586A-00 series ICs are low dropout three-terminal regulators with a minimum of 6A output current. Pentium® Processor, Power PCTM, Cyrix® 6x86TM and AMD-K5TM applications requiring fast transient response are ideally suited for this prod...
LX8586-33
The LX8586-33/86A series ICs are low dropout three-terminal regulators with a minimum of 6A output current. Pentium® Processor, Power PCTM, Cyrix® 6x86TM and AMD-K5TM applications requiring fast transient response are ideally suited for this product ...
LX8586-00
The LX8586-00/86A series ICs are low dropout three-terminal regulators with a minimum of 6A output current. Pentium® Processor, Power PCTM, Cyrix® 6x86TM and AMD-K5TM applications requiring fast transient response are ideally suited for this product ...
LX8585-xx
The LX8585-xx/85A Series ICs are low dropout three-terminal regulators with a minimum of 4.6A output current. Pentium® Processor and Power PCTM applications requiring fast transient response are ideally suited for this product family. The LX8585A is guar...
LX8585A-xx
The LX8585/LX8585A-xx Series ICs are low dropout three-terminal regulators with a minimum of 4.6A output current. Pentium® Processor and Power PCTM applications requiring fast transient response are ideally suited for this product family. The LX8585A is ...

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