Datasheet > BuckConv> RT8012APQW

RT8012APQW

更新时间： 2024-10-02 03:35:43

品牌	Logo	应用领域
立锜 - RICHTEK		转换器
页数	文件大小	规格书
14页	277K
描述
Dual 1A/1.5A-1.2MHz Synchronous Step-Down Converters

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中文翻译

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数据手册

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RT8012APQW 数据手册

Preliminary

RT8012A

Dual 1A/1.5A-1.2MHz Synchronous Step-Down Converters

General Description

Features

^zHigh Efficiency : Up to 95%

The RT8012A is a dual PWM, current mode, stepdown

converter. Its input voltage range is from 2.6V to 5.5V and

has a constant 1.2MHz switching frequency, allowing the

use of tiny, low cost capacitors and inductors 2mm or

less in height. Each output voltage is adjustable from 0.8V

to 5V. Internal power switches with low on-resistance of

the dual step-down regulators increase efficiency and

eliminate the need for external Schottky diodes. The

RT8012A can run at 100% duty cycle for low dropout

operation that extends battery life in portable systems.

With independent Enable and Power-Good pins, it is easy

to control the power up sequence of the two converters,

which is important in some applications.

^z1.2MHZ Constant Switching Frequency

^z1A and 1.5A Load Current on Each Channel

Respectively

^zLow R_DS(ON)Internal Switches

^zNo Schottky Diode Required

^z0.8V Reference Allows Low Output Voltage

^zLow Dropout Operation : 100% Duty Cycle

^zInternally Compensated

^z< 2μA Shutdown Current

^zPower Good Output Voltage Monitor

^zInternal Soft-Start

z Easy Power Sequence Control

z Over temperature Protection

z Short Circuit Protection

Ordering Information

z Thermally Enhanced 16-Lead WQFN Package

z RoHS Compliant and 100% Lead (Pb)-Free

RT8012A

Package Type

QW : WQFN-16L 4x4 (W-Type)

Applications

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Comme-

rcial Standard)

z Portable Instruments

z Microprocessors and DSP Core Supplies

z Cellular Phones

z Wireless and DSL Modems

z PC Cards

Note :

RichTek Pb-free and Green products are :

`RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

z Digital Cameras

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

`100% matte tin (Sn) plating.

Pin Configurations

(TOP VIEW)

Marking Information

16 15 14 13

For marking information, contact our sales representative

directly or through a RichTek distributor located in your

area, otherwise visit our website for detail.

FB1

EN1

PGOOD2

PVDD2

PGND

10 VDD

PVDD1

WQFN-16L 4x4

DS8012A-01 March 2007

www.richtek.com

12 3 4 5 6 7...14

中文翻译

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与RT8012APQW相关器件

型号	品牌	获取价格	描述	数据表
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
RT8016-10PQW	RICHTEK	获取价格	1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter
RT8016-12GQW	RICHTEK	获取价格	1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter
RT8016-12PQW	RICHTEK	获取价格	1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter
RT8016-13GQW	RICHTEK	获取价格	1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter

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