CS5253B-8GDP5 ONSEMI [ON Semiconductor], CS5253B-8GDP5 Datasheet

CS5253B-8GDP5

Manufacturer Part Number

CS5253B-8GDP5

Description

3.0 A LDO 5-Pin 2.5 V Fixed Linear Regulator for Remote Sense Applications

Manufacturer

ONSEMI [ON Semiconductor]

Datasheets

1.CS5253B-8.pdf (8 pages)

2.CS5253B-8GDP5.pdf (8 pages)

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Bonase Electronics (HK) Co., Limited

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CS5253B-8GDP5

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ON Semiconductor

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CS5253B−8

3.0 A LDO 5−Pin 2.5 V Fixed

Linear Regulator for

Remote Sense Applications

dissipation in the application. To achieve very low dropout, the

internal pass transistor is powered separately from the control

circuitry. Furthermore, with the control and power inputs tied together,

this device can be used in single supply configuration and still offer a

better dropout voltage than conventional PNP−NPN based LDO

regulators. In this mode the dropout is determined by the minimum

control voltage.

which allows for the implementation of a remote−sense pin permitting

very accurate regulation of output voltage directly at the load, where it

counts, rather than at the regulator. This remote sensing feature

virtually eliminates output voltage variations due to load changes and

resistive voltage drops. Typical load regulation measured at the sense

pin is less than 1.0 mV for an output voltage of 2.5 V with a load step

of 10 mA to 3.0 A.

similar to three−terminal regulators. This circuitry, which includes

overcurrent, short circuit, and overtemperature protection will self

protect the regulator under all fault conditions.

graphics controllers used on VGA cards. Its remote sense and low

value capacitance requirements make this a low cost high performance

solution. The CS5253B−8 is optimized from the CS5253−1 to allow a

lower value of output capacitor to be used at the expense of a slower

transient response.

Features

•

*For additional information on our Pb−Free strategy and soldering details, please

October, 2005− Rev. 6

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

This new very low dropout linear regulator reduces total power

The CS5253B−8 is offered in a five−terminal D

The CS5253B−8 has a very fast transient loop response.

Internal protection circuitry provides for “bust−proof” operation,

The CS5253B−8 is ideal for generating a 2.5 V supply to power

1.5% Trimmed Reference

Fast Transient Response

Remote Voltage Sensing

Thermal Shutdown

Current Limit

Short Circuit Protection

Drop−In Replacement for EZ1582

Backwards Compatible with 3−Pin Regulators

Very Low Dropout Reduces Total Power Consumption

Pb−Free Packages are Available*

OUT

POWER

CONTROL

Fixed @ 2.5 V ± 1.5%

Dropout < 0.40 V @ 3.0 A

Dropout < 1.05 V @ 3.0 A

PAK−5 package,

†For information on tape and reel specifications,

CS5253B−8GDP5

CS5253B−8GDP5G

CS5253B−8GDPR5

CS5253B−8GDPR5G

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specifications

Brochure, BRD8011/D.

Device

CS5253B−8 = Device Code

ORDERING INFORMATION

CASE 936AC

DP SUFFIX

MARKING DIAGRAM

http://onsemi.com

PAK−5

AWLYWWG

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

5253B−8

(Pb−Free)

Package

Publication Order Number:

PAK−5

PAK−5 750/Tape & Reel

PAK−5

Tab = V

Pin 1. V

750/Tape & Reel

50 Units/Rail

CS5253B−8/D

Shipping

2. GND

3. V

4. V

5. V

OUT

SENSE

OUT

CONTROL

POWER

†

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