Datasheet > RT6255A

RT6255A

更新时间： 2024-01-16 03:15:27

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
21页	367K
描述
暂无描述

阅读下载

中文翻译

获取价格

技术参数
数据手册

如果您发现信息不准确，欢迎纠错

RT6255A 技术参数

Status：	Active	Vin (min) (V)：	4.5
Vin (max) (V)：	18	Number of Outputs：	1
Vout (min) (V)：	0.6	Vout (max) (V)：	5
Preset Vout (V)：		Output Adj. Method：	Resistor
Iout (max) (A)：	5	Current Limit (typ) (A)：	7.25
Freq (typ) (kHz)：	500	Freq (min) (kHz)：
Freq (max) (kHz)：		Ext Sync：	No
Ron_HS (typ) (mOhm)：	45	Ron_LS (typ) (mOhm)：	23
Iq (typ) (mA)：	0.115	Features：	ACOT Control;Enable Input;Fast Transient Response;PSM;Power Good;SCP;Stable with Ceramic Capacitor;UVP
Package Type：	TSOT-26(FC);TSOT-28(FC)

RT6255A 数据手册

Sample &

Buy

Reference

Design

RT6255A/B

5A, 18V, 500kHz, ACOT^TMStep-Down Converter

General Description

Features

^Input Supply Voltage Range : 4.5V to 18V

The RT6255A/B is a high-performance, synchronous step-

down DC-DC converter that can deliver up to 5A output

current from a 4.5V to 18V input supply. The device

integrates low R_DS(ON)power MOSFETs, accurate 0.6V

reference and an integrated diode of bootstrap circuit to

offer a very compact solution.

^Output Current : 5A

^Advanced Constant On-Time (ACOT^TM) Control for

Ultrafast Transient Response

^Steady Switching Frequency : 500kHz

^Forced PWM Mode (RT6255B)

^Pulse-Skipping Mode (PSM) at Light Load

(RT6255A)

The RT6255A/B adopts Advanced Constant On-Time

(ACOT^TM) control architecture that provides ultrafast

transient response and further reduces the external-

component count. In steady states, theACOT^TMoperates

in nearly constant switching frequency over line, load and

output voltage ranges and makes the EMI filter design

easier.

^Optimized for Low-ESR Ceramic Output Capacitors

^Programmable Output Voltage : 0.6V to 5V

^Internal 45mΩ Switch and 23mΩ Synchronous

Rectifier

 Cycle-by-Cycle Current Limit Protection

 Internal Soft-Start (Typ 1.5ms) or Externally

Adjustable, Pre-biased Compatible Soft-Start (Only

for Option with SS Pin)

The device offers Independent enable control input pin and

power good indicator (TSOT23-8 only) for easily sequence

control. To control the inrush current during the startup,

the device provides a fixed 1.5ms soft-start up. Fully

protection features are also integrated in the device

including the cycle-by-cycle current limit control, UVP,

input UVLO and OTP.

 Power Good Indicator (90%) (Only for Option with

PGOOD Pin)

 Output Under-Voltage Protection (UVP)

 Over-Temperature Protection (OTP)

 Input Under-Voltage Lockout (UVLO)

 Available in TSOT-23-6 (FC) and TSOT-23-8 (FC)

Packages

The RT6255A/B is available in the TSOT-23-6 (FC) and

TSOT-23-8 (FC) package.

Applications

 Set Top Box

 Portable TV

 Access Point Router

 DSL Modem

 LCD TV

is a registered trademark of Richtek Technology Corporation.

DS6255A/B-03 October 2018

www.richtek.com

12 3 4 5 6 7...21

中文翻译

下载PDF

与RT6255A相关器件

型号	品牌	获取价格	描述	数据表
RT6255AHGJ6F	RICHTEK	获取价格	ACOT Step-Down Converter
RT6255AHGJ8F	RICHTEK	获取价格	ACOT Step-Down Converter
RT6255AHSGJ6F	RICHTEK	获取价格	ACOT Step-Down Converter
RT6255AHSGJ8F	RICHTEK	获取价格	ACOT Step-Down Converter
RT6255B	RICHTEK	获取价格	暂无描述
RT6255BHGJ6F	RICHTEK	获取价格	ACOT Step-Down Converter
RT6255BHGJ8F	RICHTEK	获取价格	ACOT Step-Down Converter
RT6255BHSGJ6F	RICHTEK	获取价格	ACOT Step-Down Converter
RT6255BHSGJ8F	RICHTEK	获取价格	ACOT Step-Down Converter
RT6256B	RICHTEK	获取价格	6A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO

与RT6255A相关文章

LM317T数据手册解读：产品特性、应用、封装与引脚详解
2024-06-14

16
一文带你了解?DB3二极管好坏判断、参数信息、替代推荐
2024-06-14

21
LM358DR数据手册：引脚说明、电气参数及替换型号推荐
2024-06-14

13
OP07CP数据手册解读：引脚信息、电子参数
2024-06-14

19

产品中心

服务支持

精选活动

关于我们

帮助中心

RT6255A

RT6255A 技术参数

RT6255A 数据手册

与RT6255A相关器件

与RT6255A相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

RT6255A

RT6255A 技术参数

RT6255A 数据手册

与RT6255A相关器件

与RT6255A相关文章

您还可以找

您在本页遇到什么问题？