LX8580-00CP Microsemi Analog Mixed Signal Group, LX8580-00CP Datasheet

LX8580-00CP

Manufacturer Part Number

LX8580-00CP

Description

IC REG LDO POS 7A ADJ TO220-5

Manufacturer

Microsemi Analog Mixed Signal Group

Datasheet

1.LX8580-00CP.pdf (4 pages)

Specifications of LX8580-00CP

Regulator Topology

Positive Adjustable

Voltage - Output

2 ~ 2.5 V

Voltage - Input

Up to 7V

Voltage - Dropout (typical)

0.56V @ 7A

Number Of Regulators

Current - Output

Current - Limit (min)

7.1A

Operating Temperature

0°C ~ 125°C

Mounting Type

Through Hole

Package / Case

TO-220-5 (Straight Leads)

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current page: 1 of 4
Download datasheet (142Kb)

Rev. 1.1, 2005-10-21

dropout voltage regulator, designed for use with

advanced microprocessors. This product can be

used with separate voltage supplies for the control

and power sections, allowing a power section

dropout voltage as low as 100mV. The LX8580

can also be used in a single voltage supply

configuration, with a dropout performance similar

to that of the LX8584 (1.3V at 7A).

220 package, which allows the implementation

H E

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

The LX8580 is a high-performance, very low

The LX8580 is supplied in a five terminal TO-

N F I N I T E

CTRL

PWR

OUT

0 to 125

OUT

Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX8580-00CDD-TR)

O W E R

OUT

(°C)

+ 1.3V Max

11861 W

REF

+ V

⎛

⎜ ⎜

⎝

O F

DROPOUT

ESTERN

D E S C R I P T I O N

Special Capabilities of the LX8580 To Allow

Dropout Voltage

⎞

⎟ ⎟

⎠

I N

N N O V A T I O N

44% Smaller LDO Thermal Dissipation

0.1V – 0.8V

ADJ

VENUE

I N I T Y

•

, G

of remote (Kelvin) voltage sensing. This sensing

compensates for output voltage variations due to

load changes and resistive voltage drops in

connectors and board traces. Typical load

regulation measured at the sense pin is less than

1mV for a load current step of 7mA to 7A.

secondary 2 - 2.5V low voltage supply on a

motherboard where a 3.3V supply is already

available.

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

The LX8580 is ideal for generating a

ARDEN

PACKAGE ORDER INFO

I C R O E L E C T R O N I C S

PWR

ROVE

CTRL

LX8580

ADJUST

, CA. 92841, 714-898-8121, F

OUTPUT

7A V

SENSE

Transition DC: 0543

LX8580-00CP

RoHS Compliant

Plastic TO-220

5-Pin

E R Y

O W

R O D U C T I O N

R O P O U T

Not Recommened For New Design

N C

: 714-893-2570

LOAD

O S I T I V E

Transition DC: 0535

LX8580-00CDD

RoHS Compliant

Plastic To-263

5-Pin

A T A

Low Dropout, 800mV Max. at 7A

Output Current in Dual Supply

Mode

Fast Transient Response

Remote Sensing

1mV Load Regulation

Adjustable Output

No Supply Sequencing Problems

in Dual Supply Mode

Microprocessor Supplies

3.3V to 2.5V Processor Power

Supplies

High-Current Regulators

Post Regulators for Switching

Supplies

D J U S T A B L E

K E Y F E A T U R E S

See The LX8580A

H E E T

OUT

LX8580

E G U L A T O R

Related parts for LX8580-00CP

LX8580-00CP Summary of contents

Page 1

... V OUTPUT CTRL LX8580 SENSE PWR ADJUST • ADJ B PACKAGE ORDER INFO Plastic TO-220 P 5-Pin RoHS Compliant Transition DC: 0543 0.1V – 0.8V LX8580-00CP CA. 92841, 714-898-8121, F VENUE ARDEN ROVE Not Recommened For New Design See The LX8580A LX8580 Low Dropout, 800mV Max ...

Page 2

... LX8580 Power Dissipation ...................................................................................... Internally Limited V Input Voltage ........................................................................................................... 7V PWR V Input Voltage ......................................................................................................... 13V CTRL Operating Junction Temperature Plastic (P Package) ................................................................................................ 150°C Storage Temperature Range ...................................................................... -65°C to 150°C Lead Temperature (Soldering, 10 seconds) ............................................................. 300°C RoHS Peak Package Solder Reflow Temp. (40 seconds max. exposure).................... 260°C (+0, -5) Note 1 ...

Page 3

... CTRL LOAD 2.75V CTRL LOAD 3.3V CTRL PWR ADJ ) or minimum power voltage (V CTRL LX8580 ≤ 125°C. Low duty cycle pulse testing A LX8580 Min. Typ. Max. 1.243 1.250 1.257 1.237 1.250 1.263 1.237 1.250 1.263 = 10mA 25° 10mA 2 6 ...

Page 4

... For the device to regulate, the voltage at this pin must be between 1.0V and 1.3V greater than the output voltage. This is the collector of the power section of the LX8580. The output load current is supplied through this pin. For the device to regulate, the voltage at this pin must be between 0.1V and 0.8V greater than the output voltage (higher output currents require higher ...

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