CS5253-1GDPR5 datasheet(1/10 Pages) ONSEMI

부품명	CS5253-1GDPR5

상세설명	3.0 A LDO 5?뭁in Adjustable Linear Regulator

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제조업체	ONSEMI [ON Semiconductor]

홈페이지	http://www.onsemi.com

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September, 2006− Rev. 11

1

Publication Order Number:

CS5253−1/D

CS5253−1

3.0 A LDO 5−Pin Adjustable

Linear Regulator

This new very low dropout linear regulator reduces total power

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.

The CS5253−1 is offered in a five−terminal D2PAK−5 package,

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.

The CS5253−1 has a very fast transient loop response which can be

adjusted using a small capacitor on the Adjust pin.

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

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

overcurrent, short circuit, and over−temperature protection will self

protect the regulator under all fault conditions.

The CS5253−1 is ideal for generating a 2.5 V supply to power

graphics controllers used on VGA cards.

Features

• VOUT Range Is 1.25 V to 5.0 V @ 3.0 A

• VPOWER Dropout < 0.40 V @ 3.0 A

• VCONTROL Dropout < 1.05 V @ 3.0 A

• 1.0% 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 Package is Available*

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

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

MARKING DIAGRAM

CS5253−1

= Device Code

A

= Assembly Location

WL

= Wafer Lot

Y

= Year

WW

= Work Week

G

= Pb−Free Package

D2PAK−5

DP SUFFIX

CASE 936AC

1

5

CS

5253−1

AWLYWWG

1

Device

Package

Shipping†

ORDERING INFORMATION

CS5253−1GDP5

D2PAK−5

50 Units/Rail

CS5253−1GDPR5

D2PAK−5

750/Tape & Reel

http://onsemi.com

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specifications

Brochure, BRD8011/D.

CS5253−1GDPR5G D2PAK−5

(Pb−Free)

750/Tape & Reel

Tab = VOUT

Pin 1. VSENSE

2. Adjust

3. VOUT

4. VCONTROL

5. VPOWER

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