LX8554 Microsemi Corporation, LX8554 Datasheet

LX8554

Manufacturer Part Number

LX8554

Description

5a Extremely Low Dropout Positive Regulators

Manufacturer

Microsemi Corporation

Datasheet

1.LX8554.pdf (7 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

LX8554-00CDD

Manufacturer:

MSC

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

LX8554-00CDD-TR

Manufacturer:

MICROSEMI/美高森美

Quantity:

20 000

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Rev. 1.1

H E

Sanyo MVGX Series

The LX8554 series ICs are very low drop-

out three-terminal positive regulators with

5A rated output current. This product fam-

ily is ideally suited for Pentium

sor and Power PC

ing fast transient response. The LX8554

is guaranteed to have a dropout volt-

age under 1V at 5A load, making it ideal

to provide well-regulated outputs of 2.5V

to 3.6V with input supply as low as 4.75V.

Fixed versions are also available and are

specified in the Available Options table

below.

ensure adequate output current and con-

Current limit is trimmed above 5.1A to

1/97

N F I N I T E

1500µF, 6.3V

4.75

YPICAL

UTPUT

PPLICATION OF THE

Open

Short

JP1

applications requir-

O W E R

OLTAGE

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

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

ELECTABLE VIA

Open

Short

O F

JP2

Proces-

LX8554

11861 W

Note: All surface-mount packages are available in Tape & Reel.

0 to 125

Append the letter "T" to part number. (i.e. LX8554-00CDDT)

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

(°C)

14.7

200

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

IN A

OUT

OUTPUT VOLTAGE

trolled short-circuit current. On-chip ther-

mal limiting provides protection against

any combination of overload that would

create excessive junction temperatures.

able in both through-hole and surface-

mount versions of industry standard 3-pin

TO-220 / TO-263 power packages.

for use in multiple processor applications

where output voltage is jumper selected.

The LX8554 ICs offer precision output as

well as low supply operation (see appli-

cation below). For higher current appli-

cations see the LX8584 series of products.

UMPERS

ESTERN

The LX8554 series products are avail-

The LX8554 family of products are ideal

JP1

JP2

LEXIBLE

3.45V

3.6V

3.3V

"JP1"

Plastic TO-220

3-pin

LX8554-xxCP

REF

VENUE

OUT

OTHERBOARD WITH

AND

= V

121

, G

REF

"JP2"

ARDEN

1 +

5A E

3x 1500µF

6.3V

Sanyo

MVGX Series

XTREMELY

(See Table Below)

ROVE

+ I

LX8554-xxCDD

Plastic T0-263

3-pin

R O D U C T I O N

ADJ

, CA. 92841

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 —

ROPOUT

Part #

LX8554-00

LX8554-33

THREE-TERMINAL ADJUSTABLE OR FIXED

OUTPUT

GUARANTEED

OUTPUT CURRENT OF 5A

ACCURACY

EVALUATION BOARD AVAILABLE:

REQUEST LXE9001 EVALUATION KIT

PENTIUM PROCESSOR SUPPLIES

POWER PC SUPPLIES

MICROPROCESSOR SUPPLIES

LOW VOLTAGE LOGIC SUPPLIES

BATTERY POWERED CIRCUIT

POST REGULATOR FOR SWITCHING SUPPLY

Please contact factory for details.

K E Y F E A T U R E S

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

A T A

OSITIVE

LX8554-xx

P T I O N S P E R

1V HEADROOM AT 5A

LIN D

H E E T

Adjustable

EGULATORS

O C

Voltage

Output

3.3V

#: 8554

A R T

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