Datasheet > RTQ2822T

RTQ2822T

更新时间： 2024-12-01 17:00:59

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
32页	695K
描述
Peak 15A, 17V, High Efficiency Synchronous Step-Down Converter

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RTQ2822T 数据手册

RTQ2822T

Peak 15A, 17V, High Efficiency Synchronous Step-Down

Converter

General Description

Features

 4.5V to 17V Input Voltage Range

 Integrated 9.8mΩ/4.5mΩ MOSFETs

 0.6V 1% Voltage Reference

The RTQ2822T is a high-performance, synchronous step-

down converter that can deliver up to 15A output current

with an input supply voltage range of 4.5V to 17V. The

device integrates low R_DS(ON)power MOSFETs, accurate

0.6V reference and an integrated diode for bootstrap circuit

to offer a very compact solution.

 Adjustable Output Voltage from 0.6V to 5.5V

 Supports Ceramic Output Capacitor

 ACOT Control for Fast Transient Response

 Selectable Switching Frequency (400kHz/800kHz/

1200kHz)

The RTQ2822T adopts Advanced Constant On-Time

(ACOT ) control architecture that provides ultrafast

 Selectable Current Limit Level

 Power Good Indicator

transient response and further reduces the external-

component count. In steady state, the ACOT operates

 Programmable Soft-Start Time with a Default 1.2ms

 Monotonic Start-Up into Pre-Biased Outputs

 18-Lead VQFN (FC) Package

in nearly constant switching frequency over line, load and

output voltage ranges and makes the EMI filter design

easier.

The device offers a variety of functions for more design

flexibility. The selectable switching frequency, current limit

level and PWM operation modes makes the RTQ2822T

easy-to-use over wide application range. Independent

enable control input pin and power good indicator are also

provided for easy sequence control. To control the inrush

current during the startup, the device provides a

programmable soft start-up by an external capacitor

connected to the SS pin. Fully protection features are

also integrated in the device including the cycle-by-cycle

current limit, UVP, input UVLO and OTP.

Applications

 Server, Storage andNetwork Equipment

 Telecom Infrastructure

 Point of Load (POL) Power Modules

 HighDensityDC-DC Converters

 High End Digital TV

The RTQ2822T is available in a thermally enhanced VQFN-

18L 3.5x3.5 (FC) package.

Simplified Application Circuit

RTQ2822T

VIN

BOOT

OUT

Enable Signal

PGOOD

VCC

MODE

AGND

PGND

is a registered trademark of Richtek Technology Corporation.

DSQ2822T-02 February 2023

www.richtek.com

12 3 4 5 6 7...32

中文翻译

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与RTQ2822T相关器件

型号	品牌	获取价格	描述	数据表
RTQ2823A	RICHTEK	获取价格	暂无描述
RTQ2823B	RICHTEK	获取价格	暂无描述
RTQ2940-QA	RICHTEK	获取价格	42VIN, 0.5A, Asynchronous Step-Down Converter with Low Quiescent Current
RTQ2941-QA	RICHTEK	获取价格	42VIN, 1.5A, Asynchronous Step-Down Converter with Low Quiescent Current
RTQ2942-QA	RICHTEK	获取价格	42VIN, 2.5A, Asynchronous Step-Down Converter with Low Quiescent Current
RTQ2943-QA	RICHTEK	获取价格	42VIN, 3.5A, Asynchronous Step-Down Converter with Low Quiescent Current
RTQ2945A-QA	RICHTEK	获取价格	42VIN, 5A, Asynchronous Step-Down Converter with Low Quiescent Current
RTQ2945-QA	RICHTEK	获取价格	42VIN, 5A, Asynchronous Step-Down Converter with Low Quiescent Current
RTQ2949A-QA	RICHTEK	获取价格	42VIN, 3A, Asynchronous Step-Down Converter with Low Quiescent Current
RTQ2949-QA	RICHTEK	获取价格	42VIN, 3A, Asynchronous Step-Down Converter with Low Quiescent Current

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