LX8586A MICROSEMI [Microsemi Corporation], LX8586A Datasheet

LX8586A

Manufacturer Part Number

LX8586A

Description

6A Low Dropout Positive Regulators

Manufacturer

MICROSEMI [Microsemi Corporation]

Datasheet

1.LX8586A.pdf (9 pages)

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Rev. 1.0a, 2005-11-10

“xx” refers to output voltage, see table to right.

Note: Available in Tape & Reel. Append the letters “TR” to the part number.

(i.e. LX8586A-00CP-TR)

low dropout three-terminal regulators

with a minimum of 6A output current.

Pentium

Cyrix

applications requiring fast transient

response are ideally suited for this

product family. The LX8586A is

guaranteed to have < 1.1V at 6A and

the LX8586 < 1.3V at 6A dropout

voltage, making them ideal to provide

well-regulated outputs of 2.5V to 3.6V

using a 5V input supply. Fixed

versions

specified in the Available Options

table below.

IMPORTANT: For the most current data, consult MICROSEMI’s website:

0 to 125

From Silverbox

Note A: See application note, page 3.

Power Supply

The LX8586/86A series ICs are

(°C)

6x86TM and AMD-K5™

P A C K A G E O R D E R I N F O

are

Processor, Power PCTM,

PPLICA TION

Dropout

Voltage

6MV1500GX

1.3V

1.1V

3.3V

also

1500 µF

Sanyo

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

available

P R O D U C T H I G H L I G H T

LX8586

1.5V, 6 A R

D E S C R I P T I O N

Plastic TO-220

3 pin

Transition DC: 0543

LX8586A-xxCP

LX8586-xxCP

RoHS Compliant

and

H.S. (Note A)

LX8586

ADJ

1.5V GTL + B

to ensure adequate output current and

controlled short-circuit current. On-chip

thermal limiting provides protection

against any combination of overload

that would create excessive junction

temperatures. The LX8586/86A series

devices are available in both through-

hole versions of the industry-standard,

3-pin TO-220 power packages. Along

with

applications, the LX8586 series of

products are ideal for Pentium

Processor applications such as GTL+

Bus

below).

24.3Ω

±1%

EGULA TO R

Current limit is trimmed above 6.1A

OUT

Integrated Products Division

terminators

the

121Ω

±1%

http://www.microsemi.com

Microsemi

standard

ERMINA TO R

1.5V/6A

(see

4x 1500 µF

Sanyo

6MV1500GX

6A Low Dropout Positive Regulators

μP

application

To GTL+

Terminator

supply

Pro

RODUCTION

Pentium is a registered Trademark of Intel Corporation

Cyrix is a registered Trademark of Cyrix Corporation.

K5 & K6 are trademarks of Advanced Micro Devices

PowerPC is a trademark of International Business Machine

Other voltage options may be available;

please contact factory for details.

LX8586/86A-00

LX8586/86A-33

Available Options Per Part #

ThreeeTerminal Adjustable or

Fixed Output

Guaranteed < 1.1V Headroom at

6A (LX8586A)

Guaranteed < 1.3V Headroom at

6A (LX8586)

Output Current of 6A Minimum

Fast Transient Response

1% Voltage Reference Initial

Accuracy

Output Short Circuit Protection

Built in Thermal Shutdown

Evaluation Board Available:

Request LXE9001 Evaluation Kit

GTL+ Bus Terminators

Pentium

PowerPC

Microprocessor Supplies

Low Voltage Logic Supplies

Post Regulator for Switching

Supply

LXE9001 Evaluation Board for

Pentium

Consult Factory

CYRIX

AMD-K5™ and AMD-K6™

Part #

ATA

K E Y F E A T U R E S

LX8586 / LX8586A

A P P L I C A T I O N S

6x86™

HEET

Processor Supplies

Applications Available

Supplies

Output Voltage

Adjustable

3.3V

Page 1

Related parts for LX8586A

LX8586A Summary of contents

Page 1

... Cyrix 6x86TM and AMD-K5™ applications requiring fast transient response are ideally suited for this product family. The LX8586A is guaranteed to have < 1. and the LX8586 < 1. dropout voltage, making them ideal to provide well-regulated outputs of 2.5V to 3.6V using a 5V input supply. Fixed ...

Page 2

... T 2.7°C θ A 60°C/W MBIENT JA x θ Microsemi Integrated Products Division LX8586 / LX8586A RODUCTION ATA HEET Tab is V OUT ACKAGE (Top View) *Pin 1 is GND for fixed Voltage Versions ...

Page 3

... Dropout Voltage LX8586A-00 Minimum Load Current Maximum Output Current Temperature Stability Long Term Stability RMS Output Noise (% OUT LX8586-33 / LX8586A-33 (3.3V FIXED) Output Voltage Line Regulation (Note 2) Load Regulation (Note 2) Thermal Regulation (Note 3) Ripple Rejection (Note 3) Quiescent Current LX8586-33 Dropout Voltage ...

Page 4

... The maximum current that the regulator can supply to the resistor will be limited by the SOA circuit, based on the large input-to-output voltage across the regulator at the time the short circuit is removed from the output. Microsemi Integrated Products Division LX8586 / LX8586A D S ATA HEET Minumum Load ...

Page 5

... When the circuit is connected as shown in Figure 3, the parasitic resistance appears as its actual value, rather than the higher R LX8586/86A very small and ADJ Figure 3 - Connections for Best Load Regulation Microsemi Integrated Products Division LX8586 / LX8586A D S ATA HEET LX8586/86A OUT V OUT ADJ V ...

Page 6

... Although, the device can operate up to 150°C junction recommended for long term reliability to keep the junction temperature below 125°C whenever possible. Microsemi Integrated Products Division LX8586 / LX8586A D S ATA HEET = 5.0A OUT = 50° ...

Page 7

... LX8586-33/86A-33 OUT IN GND Min. 15µF Tantalum or 100µF Aluminum capacitor. May be increased without limit. ESR must be less than 50mΩ. Figure 7 - Fixed 3.3V Output Regulator ) Microsemi Integrated Products Division LX8586 / LX8586A D S ATA HEET LX8586/86A OUT IN V OUT ADJ R1 121Ω ...

Page 8

... 0.508 Note: 1. Dimensions do not include mold flash or protrusions; these J shall not exceed 0.155mm(.006”) on any side. Lead dimension shall not include solder coverage. Microsemi Integrated Products Division LX8586 / LX8586A D S ATA HEET M I ILLIMETERS NCHES MIN MAX MIN MAX 15 ...

Page 9

... Copyright © 1996 Rev. 1.0a, 2005-11-10 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 ® 6A Low Dropout Positive Regulators P RODUCTION Microsemi Integrated Products Division LX8586 / LX8586A D S ATA HEET Page 9 ...

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