Datasheet > CS5253B-1/D

CS5253B-1/D

更新时间： 2024-11-23 23:43:47

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
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描述
3A LDO 5-Pin Adjustable Linear Regulatorwith Remote Sense Applications

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CS5253B-1/D 数据手册

CS5253B-1

3A LDO 5-Pin Adjustable Linear Regulator

with Remote Sense Applications

Features

Description

pin is less than 1mV for an output

voltage of 2.5V with a load step of

10mA to 3A.

This new very low dropout linear

regulator reduces total power dissi-

pation in the application. To

ꢀ V_OUTRange is 1.25V to

5V @ 3A

ꢀ V_POWERDropout < 0.40V

achieve very low dropout, the inter-

nal pass transistor is powered sepa-

rately 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 deter-

mined by the minimum control

voltage.

The CS5253B-1 has a very fast tran-

sient loop response which can be

adjusted using a small capacitor on

the Adjust pin.

@ 3A

ꢀ V_CONTROLDropout < 1.05V

@ 3A

ꢀ 1% Trimmed Reference

ꢀ Fast Transient Response

ꢀ Remote Voltage Sensing

ꢀ Thermal Shutdown

ꢀ Current Limit

Internal protection circuitry pro-

vides for “bust-proof” operation,

similar to three-terminal regulators.

This circuitry, which includes over-

current, short circuit, and over-tem-

perature protection will self protect

the regulator under all fault condi-

tions.

ꢀ Short Circuit Protection

The CS5253B-1 is offered in a five-

terminal D²PAK package, which

allows for the implementation of a

remote-sense pin permitting very

accurate regulation of output volt-

age directly at the load, where it

counts, rather than at the regulator.

This remote sensing feature virtual-

ly eliminates output voltage varia-

tions due to load changes and resis-

tive voltage drops. Typical load

regulation measured at the sense

The CS5253B-1 is ideal for generat-

ing a 2.5V supply to power graph-

ics controllers used on VGA cards.

Its remote sense and low value

capacitance requirements make this

a low cost, high performance

solution. The CS5253B-1 is opti-

mized from the CS5253-1 to allow a

lower value of output capacitor to

be used at the expense of a slower

transient response.

ꢀ Drop-In Replacement for

EZ1582

ꢀ Backwards Compatible

with 3-pin Regulators

ꢀ Very Low Dropout

Reduces Total Power

Consumption

Package Option

Applications Diagram

5 Lead D²PAK

DIS

2.5V

@3A

+5V

OUT

CONTROL

SENSE

CS5253B-1

124

+3.3V

Adjust

POWER

10µF

10V

33µF

LOAD

(Optional)

100µF

1. V_SENSE

2. Adjust

3. V_OUT

4. V_CONTROL

5. V_POWER

Tab = V_OUT

Gnd

DIS

ON Semiconductor

2000 South County Trail, East Greenwich, RI 02818

Tel: (401)885–3600 Fax: (401)885–5786

N. American Technical Support: 800-282-9855

Web Site: www.cherry–semi.com

December, 1999 - Rev. 1

12 3 4 5 6 7...12

中文翻译

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与CS5253B-1/D相关器件

型号	品牌	获取价格	描述	数据表
CS5253B-1GDP5	ONSEMI	获取价格	3.0 A LDO 5-Pin Adjustable Linear Regulator with Remote Sense Applications
CS5253B-1GDPR5	ONSEMI	获取价格	3.0 A LDO 5-Pin Adjustable Linear Regulator with Remote Sense Applications
CS5253B-1GDPR5G	ONSEMI	获取价格	3.0 A LDO 5-Pin Adjustable Linear Regulator with Remote Sense Applications
CS5253B-8	ONSEMI	获取价格	3.0 A LDO 5-Pin 2.5 V Fixed Linear Regulator for Remote Sense Applications
CS5253B-8/D	ETC	获取价格	3A LDO 5-Pin 2.5V Fixed Linear Regulatorfor Remote Sense Applications
CS5253B-8_05	ONSEMI	获取价格	3.0 A LDO 5−Pin 2.5 V Fixed Linear Regulator for Remote Sense Applications
CS5253B-8GDP5	ONSEMI	获取价格	3.0 A LDO 5-Pin 2.5 V Fixed Linear Regulator for Remote Sense Applications
CS5253B-8GDP5G	ONSEMI	获取价格	3.0 A LDO 5−Pin 2.5 V Fixed Linear Regulator for Remote Sense Applications
CS5253B-8GDPR5	ONSEMI	获取价格	3.0 A LDO 5-Pin 2.5 V Fixed Linear Regulator for Remote Sense Applications
CS5253B-8GDPR5G	ONSEMI	获取价格	3.0 A LDO 5-Pin 2.5 V Fixed Linear Regulator for Remote Sense Applications

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