Datasheet > RT8092WAGQW

RT8092WAGQW

更新时间： 2024-11-13 00:49:31

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
27页	327K
描述
High Efficiency Step-Down Converter

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中文翻译

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数据手册

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RT8092WAGQW 数据手册

RT8092

3MHz 4A High Efficiency Step-Down Converter with I²C

Interface

General Description

select V_OUTvoltage level, peak current limit level, PWM

control mode, and so on. Other features include soft-start,

auto discharge, lower internal reference voltage, over-

temperature, and over-current protection.

The RT8092 is a Peak-Current Mode Pulse-Width-

Modulated (PWM) step-down DC/DC converter with I²C

control interface. Capable of delivering 4Acontinuing output

current over a wide input voltage range from 2.5V to 5.5V,

the RT8092 is ideally suited for portable electronic devices

that are powered from 1-cell Li-ion battery or from other

power sources within the range such as cellular phones,

PDAs and handy-terminals.

Features

^2.5V to 5.5V Input Range

^Low Operation Quiescent Current

 Normal Mode I_Q< 60μA

 Low Power Mode I_Q< 15μA

^Output range From 0.3V to 5.5V

^Bank 0 : 0.3V to 0.7V

Internal synchronous rectifier with low R_DS(ON)dramatically

reduces conduction loss at PWM mode. No external

Schottky barrier diode is required in practical application.

The RT8092 enters low-dropout mode when normal PWM

cannot provide regulated output voltage by continuously

turning on the upper P-MOSFET. The RT8092 enters shut-

down mode and consumes less than 5μA when the EN

pin is pulled low. The switching ripple is easily smoothed-

out by small package filtering elements due to a fixed

operation frequency of 3MHz. This along with small

WL-CSP-15B 1.2x2 (BSC) and WQFN-14L 3.5x3.5

packages provides small PCB area applications.

^Bank 1 : 0.6V to 1.4V

^Bank 2 : 1.2V to 2.8V

^Bank 3 : 2.4V to 5.5V

^The Default Value is 2.8V (VSEL = High) and 1V

(VSEL = Low)

^4A Continuing Output Current

^Support DVS in the Same Bank

^V_OUTAdjusting Range (max, min) is Settable

^High Efficiency

To increase battery life time, the RT8092 provides low

power mode with I_Q< 15μA in standby and light-load

applications. The RT8092 also includesDynamic Voltage

Scaling (DVS) for system low power applications.



^90% at 5V 2.8V with 1.5A Load

^3MHz Fixed-Frequency PWM Operation

^Auto-PSM/PWM or Force-PWM Selectable

^Support Remote Ground Sensing for Accurate

Output Voltage

The I²C interface let the RT8092 controllable flexibly to

Simplified Application Circuit

RT8092

PVIN

Input Power

Output

Load

AVDD

GNDR

VOUT

PGND

Enable

SCL

SDA

VSEL

I C Control

AGND

VOUT Select

is a registered trademark of Richtek Technology Corporation.

DS8092-03 January 2017

www.richtek.com

12 3 4 5 6 7...27

中文翻译

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与RT8092WAGQW相关器件

型号	品牌	获取价格	描述	数据表
RT8092WAGWSC	RICHTEK	获取价格	High Efficiency Step-Down Converter
RT8092XYGQW	RICHTEK	获取价格	High Efficiency Step-Down Converter
RT8092XYGWSC	RICHTEK	获取价格	High Efficiency Step-Down Converter
RT8093	RICHTEK	获取价格	暂无描述
RT8096A	RICHTEK	获取价格	暂无描述
RT8096B	RICHTEK	获取价格	暂无描述
RT8096C	RICHTEK	获取价格	1A, 1.5MHz, 6V CMCOT Synchronous Step-Down Converter
RT8096D	RICHTEK	获取价格	1A, 1.5MHz, 6V CMCOT Synchronous Step-Down Converter
RT8097A	RICHTEK	获取价格	2A, 1MHz, 5.5V CMCOT Synchronous Step-Down Converter
RT8097AHGB	RICHTEK	获取价格	6V, 2A, 1MHz, CMCOT Synchronous Step-Down Converter

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