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RT6258B PDF预览

RT6258B

更新时间: 2024-09-23 19:23:15
品牌 Logo 应用领域
立锜 - RICHTEK /
页数 文件大小 规格书
24页 385K
描述
暂无描述

RT6258B 技术参数

Status:ActiveVin (min)(V):4.5
Vin (max)(V):23Number of Outputs:1
Vout (min)(V):3.267Vout (max)(V):3.333
Preset Vout(V):Output Adj. Method:Fixed
Iout (max)(A):8Current Limit (typ)(A):10.4
Freq (typ)(kHz):500Freq (min)(kHz):
Freq (max)(kHz):Ext Sync:No
Ron_HS (typ)(mOhm):20Ron_LS (typ)(mOhm):10
Iq (typ)(mA):0.1Features:ACOT Control;Cycle-by-Cycle Current Limit;Diode Emulation Mode;Enable Input;Fast Transient Response;OCP;OVP;Power Good;Stable with Ceramic Capacitor;UVP;Ultrasonic Mode Control
Package Type:UQFN3x3-12H(FC)

RT6258B 数据手册

 浏览型号RT6258B的Datasheet PDF文件第2页浏览型号RT6258B的Datasheet PDF文件第3页浏览型号RT6258B的Datasheet PDF文件第4页浏览型号RT6258B的Datasheet PDF文件第5页浏览型号RT6258B的Datasheet PDF文件第6页浏览型号RT6258B的Datasheet PDF文件第7页 
®
RT6258B/C  
8A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO  
Features  
General Description  
The RT6258B/C is an advanced constant on-time (ACOTTM)  
mode synchronous buck converter. The main control loop  
of the RT6258B/C using an advanced constant on-time  
(ACOTTM) mode control which provides a very fast transient  
response. The RT6258B operates from 4.5V to 23V input  
voltage and the RT6258C operates from 5.1V to 23V.  
4.5V to 23V (RT6258B) and 5.1V to 23V (RT6258C)  
Input Voltage Range 8A Output Current  
ACOTTM Mode Performs Fast Transient Response  
ACOTTM Architecture to Enable All MLCC Output  
Capacitor Usage  
Fixed 750kHz (RT6258C) and 500kHz (RT6258B)  
Switching Frequency  
High Efficient Internal Power MOSFET Switch-  
20mΩ (High-Side) and 10mΩ (Low-Side)  
Fixed 3.3V (RT6258B) and 5V (RT6258C) LDOs  
Output Supply 100mA  
Ordering Information  
RT6258B/C  
Package Type  
QUF : UQFN-12HL 3x3 (FC) (U-Type)  
Pre-biased Soft-Start  
Lead Plating System  
Cycle-by-Cycle Over-Current Protection  
Input Under-Voltage Lockout  
G : Green (Halogen Free and Pb Free)  
Output Voltage  
B : 3.3V  
Thermal Shutdown Protection  
C : 5.1V  
Output Over-/Under-Voltage Protection  
Ultrasonic Mode (USM)  
Note :  
Richtek products are :  
RoHS compliant and compatible with the current require-  
ments of IPC/JEDEC J-STD-020.  
Suitable for use in SnPb or Pb-free soldering processes.  
Applications  
Industrial and Commercial Low Power Systems  
Computer Peripherals  
LCDMonitors and TVs  
Green Electronics/Appliances  
Point of Load Regulation for High-Performance DSPs,  
FPGAs, and ASICs  
Marking Information  
RT6258BGQUF  
LE= : Product Code  
YMDNN : Date Code  
LE=YM  
DNN  
RT6258CGQUF  
LJ= : Product Code  
YMDNN : Date Code  
LJ=YM  
DNN  
Copyright 2019 Richtek Technology Corporation. All rights reserved.  
©
is a registered trademark of Richtek Technology Corporation.  
DS6258B/C-02 October 2019  
www.richtek.com  
1

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IC REG BUCK ADJ 3A SYNC 16WQFN
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IC REG BUCK ADJ 3A SYNC 16WQFN
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IC REG BUCK ADJ 3A SYNC 16WQFN