LX8582A Microsemi Corporation, LX8582A Datasheet

LX8582A

Manufacturer Part Number

LX8582A

Description

8.5a Low Dropout Positive Regulators

Manufacturer

Microsemi Corporation

Datasheet

1.LX8582A.pdf (7 pages)

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Rev. 1.1

H E

The LX8582A series ICs are low

dropout three-terminal positive regula-

tors with 8.5A rated output current.

Processor applications such as the

Cyrix

Processor and Power PC

requiring fast transient response are

ideally suited for this product family.

The LX8582A series products are

guaranteed to have < 1.3V at 8.5A

and are ideal to provide well-regulated

outputs of 2.5V to 3.6V using a 5V

input supply in the adjustable version,

or an output of 3.3V using a 5V input

supply in the fixed version.

This circuit is designed to have less than 130mV dynamic response to a 8.5A load transient.

Current limit is trimmed above 8.6A

6MV1500GX

1/97

4.75V

from Sanyo

N F I N I T E

6x86

1500µF

6.3V

OUT

Application of the LX8582A for the Cyrix 6x86 processor family.

& 6x86L

= V

REF

O W E R

1 +

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

, Pentium

3.38V, 8.5A R

Y R I X

applications

LX8582A

0 to 125

F O R F U R T H E R I N F O R M A T I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1

D E S C R I P T I O N

O F

(°C)

+ I

ADJ

8 6 V

11861 W

ADJ

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

N N O V A T I O N

= 50µA

"xx" refers to output voltage, please see table above.

O LTA G E

OUT

Dropout

Voltage

to ensure adequate output current and

controlled short-circuit current. On-

chip thermal limiting provides protec-

tion against any combination of

overload that would create excessive

junction temperatures.

in both the through-hole versions of the

industry standard 3-pin TO-220 and TO-

247 power packages.

LX1431 Programmable Reference in

conjunction with this family of regula-

tors offers precision output voltage.

See the LX1431 data sheet for informa-

tion on this product.

E G U L AT O R

ESTERN

1.3V

The LX8582A series ICs are available

For use in VRE applications, the

REF

U P P LY

121

205

VENUE

LX8582A-xxCP

Plastic TO-220

3-pin

, G

ARDEN

8 . 5 A L

2x 330µF, 6.3V

Oscon SA type

from Sanyo

-or-

4x 1500µF, 6.3V

6MV1500GX

from Sanyo

3.38V at 8.5A

ROVE

R O D U C T I O N

O W

, CA. 92841

LX8582A-xxCV

Plastic TO-247

3-terminal

R O P O U T

p FAST TRANSIENT RESPONSE

p 1% VOLTAGE REFERENCE INITIAL

p OUTPUT SHORT CIRCUIT PROTECTION

p BUILT-IN THERMAL SHUTDOWN

VA I L A B L E

Other voltage options may be available —

Part #

LX8582A-00

LX8582A-33

THREE-TERMINAL AJUSTABLE OR FIXED

OUTPUT

GUARANTEED 1.3V HEADROOM AT 8.5A

OUTPUT CURRENT OF 8.5A

ACCURACY

EVALUATION BOARD AVAILABLE:

REQUEST LXE9001 EVALUATION KIT

CYRIX 6x86 & 6x86L APPLICATIONS

PENTIUM PROCESSOR SUPPLIES

POWER PC SUPPLIES

MICROPROCESSOR SUPPLIES

LOW VOLTAGE LOGIC SUPPLIES

POST REGULATOR FOR SWITCHING SUPPLY

LXE9001 EVALUATION BOARD FOR

PENTIUM APPLICATIONS AVAILABLE.

CONSULT FACTORY.

Please contact factory for details.

O S I T I V E

K E Y F E A T U R E S

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

LX8582A-xx

A T A

P T I O N S P E R

LIN D

E G U L AT O R S

H E E T

Adjustable

O C

Voltage

Output

3.3V

#: 8582

A R T

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