Datasheet > RT9018B10PSP

RT9018B10PSP

更新时间： 2024-09-16 04:32:59

品牌	Logo	应用领域
立锜 - RICHTEK		稳压器
页数	文件大小	规格书
12页	143K
描述
Maximum 3A, Ultra Low Dropout Regulator

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RT9018B10PSP 数据手册

RT9018A/B

Maximum 3A, Ultra Low Dropout Regulator

General Description

Features

^zMaximum 3A Low-Dropout Voltage Regulator

^zHigh Accuracy Output Voltage 1.5%

^zTypically 220mV Dropout at 3A

The RT9018A/B is a high performance positive voltage

regulator designed for use in applications requiring very

low Input voltage and very low dropout voltage at up to

3A(Peak). It operates with a VIN as low as 1.0V and VDD

voltage 3V with output voltage programmable as low as

0.8V. The significant feature includes ultra low dropout,

ideal for applications where VOUT is very close to VIN.

Additionally, there is an enable pin to further reduce power

dissipation while shutdown. The RT9018A/B provides

excellent regulation over variations in line, load and

temperature. and provides a power OK signal to indicate

if the voltage level of Vo reaches 90% of its rating value.

^zPower Good Output

^zOutput Voltage Pull Low Resistance when Disable

^zThermal and Over Current Protection

^zRoHS Compliant and 100% Lead (Pb)-Free

Applications

z Front Side Bus VTT (1.2V/3A)

z NoteBook PC Applications

z MotherboardApplications

The RT9018A/B is available in the SOP-8 (Exposed Pad)

and WDFN-10L 3x3 packages with 1V, 1.05V, 1.2V, 1.5V,

1.8V and 2.5V internally preset outputs that are also

adjustable using external resistors.

Marking Information

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area, otherwise visit our website for detail.

Ordering Information

RT9018A/B

Pin Configurations

Package Type

SP : SOP-8 (Exposed Pad-Option 1)

QW : WDFN-10L 3x3

(TOP VIEW)

PGOOD

GND

ADJ

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Commer-

cial Standard)

GND

VIN

VOUT

VDD

SOP-8 (Exposed Pad)

Output Voltage

10 : 1V/Adj

1K : 1.05V/Adj

12 : 1.2V/Adj

15 : 1.5V/Adj

18 : 1.8V/Adj

25 : 2.5V/Adj

VOUT

10 VDD

VIN

VOUT

ADJ

GND

VIN

PGOOD

WDFN-10L 3x3

Enable Pin Function

A : Internal Pull High

B : Internal Pull Low

Note :

Richtek Pb-free and Green products are :

`RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

`Suitable for use in SnPb or Pb-free soldering processes.

`100% matte tin (Sn) plating.

DS9018A/B-04 September 2007

www.richtek.com

12 3 4 5 6 7...12

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RT9018B15PQW	RICHTEK	获取价格	Maximum 3A, Ultra Low Dropout Regulator
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RT9018B18GQW	RICHTEK	获取价格	Maximum 3A, Ultra Low Dropout Regulator
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