Datasheet > BuckConv> RT8011PF

RT8011PF

更新时间： 2024-11-11 03:35:43

品牌	Logo	应用领域
立锜 - RICHTEK		稳压器
页数	文件大小	规格书
17页	414K
描述
2A, 4MHz, Synchronous Step-Down Regulator

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中文翻译

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数据手册

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RT8011PF 数据手册

RT8011/A

2A, 4MHz, Synchronous Step-Down Regulator

General Description

Features

^zHigh Efficiency : Up to 95%

The RT8011/Ais a high efficiency synchronous, step-down

DC/DC converter. Its input voltage range is from 2.6V to

5.5V and provides an adjustable regulated output voltage

from 0.8V to 5V while delivering up to 2A of output current.

^zLow R_DS(ON)Internal Switches : 110mΩ

^zProgrammable Frequency : 300kHz to 4MHz

^zNo Schottky Diode Required

^z0.8V Reference Allows Low Output Voltage

^zForced Continuous Mode Operation

^zLow Dropout Operation : 100% Duty Cycle

^zSynchronizable Switching Frequency (For RT8011

Only)

The internal synchronous low on-resistance power

switches increase efficiency and eliminate the need for

an external Schottky diode. Switching frequency is set

by an external resistor or can be synchronized to an

external clock. 100% duty cycle provides low dropout

operation extending battery life in portable systems.

Current mode operation with external compensation

allows the transient response to be optimized over a wide

range of loads and output capacitors.

^zPower Good Output Voltage Monitor (For RT8011

Only)

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

Applications

RT8011/Aoperation in forced continuous PWM Mode which

minimizes ripple voltage and reduces the noise and RF

interference.

z Portable Instruments

z Battery-Powered Equipment

z Notebook Computers

z Distributed Power Systems

z IP Phones

100% duty cycle in Low Dropout Operation further

maximize battery life.

z Digital Cameras

Ordering Information

RT8011/A

Pin Configurations

Package Type

(TOP VIEW)

F : MSOP-10 (RT8011)

QW : WDFN-10L 3x3 (RT8011)

QW : WDFN-8E 3x3 (RT8011A)

SHDN/RT

COMP

PGOOD

VDD

SYNC

GND

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Commer-

cial Standard)

PGND

PVDD

MSOP-10

Without SYNC and PGOOD Function

With SYNC and PGOOD Function

SHDN/RT

SYNC

GND

10 COMP

COMP

VDD

PVDD

SHDN/RT

GND

PGND

Note :

PGOOD

VDD

RichTek Pb-free and Green products are :

`RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

PGND

PVDD

WDFN-8E 3x3

WDFN-10L 3x3

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

`100% matte tin (Sn) plating.

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.

DS8011/A-00 August 2006

www.richtek.com

12 3 4 5 6 7...17

中文翻译

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与RT8011PF相关器件

型号	品牌	获取价格	描述	数据表
RT8011PQW	RICHTEK	获取价格	2A, 4MHz, Synchronous Step-Down Regulator
RT8012A	RICHTEK	获取价格	Dual 1A/1.5A-1.2MHz Synchronous Step-Down Converters
RT8012AGQW	RICHTEK	获取价格	Dual 1A/1.5A-1.2MHz Synchronous Step-Down Converters
RT8012APQW	RICHTEK	获取价格	Dual 1A/1.5A-1.2MHz Synchronous Step-Down Converters
RT8015	RICHTEK	获取价格	2A, 2MHz, Synchronous Step-Down Regulator
RT8015A	RICHTEK	获取价格	3A, 2MHz, Synchronous Step-Down Converter
RT8015B	RICHTEK	获取价格	3A, 2MHz, Synchronous Step-Down Converter
RT8015D	RICHTEK	获取价格	3A, 2MHz, Synchronous Step-Down Converter
RT8016	RICHTEK	获取价格	1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter
RT8016-10GQW	RICHTEK	获取价格	1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter

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