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RT6228B PDF预览

RT6228B

更新时间: 2024-02-23 15:26:54
品牌 Logo 应用领域
立锜 - RICHTEK /
页数 文件大小 规格书
26页 439K
描述
暂无描述

RT6228B 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):12
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;Adjustable Current Limit;Built-in Bootstrap Switch;Cycle-by-Cycle Current Limit;Diode Emulation Mode;Enable Input;Fast Transient Response;Internal Compensation;OCP;OVP;Power Good;Stable with Ceramic Capacitor;UVP;Ultrasonic Mode Control
Package Type:UQFN3x3-12H(FC)Datasheet:https://datasheet5.oss-cn-shanghai.aliyuncs.com/datasheets/richtek/DS6228ABC-02.pdf

RT6228B 数据手册

 浏览型号RT6228B的Datasheet PDF文件第3页浏览型号RT6228B的Datasheet PDF文件第4页浏览型号RT6228B的Datasheet PDF文件第5页浏览型号RT6228B的Datasheet PDF文件第7页浏览型号RT6228B的Datasheet PDF文件第8页浏览型号RT6228B的Datasheet PDF文件第9页 
RT6228A/B/C  
Absolute Maximum Ratings (Note 1)  
Supply Voltage,VIN--------------------------------------------------------------------------------------------- 0.3V to 27V  
Enable Pin Voltage, VEN -------------------------------------------------------------------------------------- 0.3V to 27V  
FB Pin Voltage, VFB (RT6228A) ----------------------------------------------------------------------------- 0.3V to 4.5V  
VOUT Pin Voltage, VOUT (RT6228B) ----------------------------------------------------------------------- 0.3V to 4.5V  
VOUT Pin Voltage, VOUT (RT6228C) ----------------------------------------------------------------------- 0.3V to 6V  
Switch Voltage, VLX ------------------------------------------------------------------------------------------------------------------------------------- 0.3V to (VIN + 0.3V)  
<30ns ------------------------------------------------------------------------------------------------------------- 5V to 28V  
Boot Voltage, VBS ---------------------------------------------------------------------------------------------- (VLX 0.3V) to (VLX + 6V)  
Other I/O Pin Voltages ---------------------------------------------------------------------------------------- 0.3V to 6V  
Power Dissipation, PD @ TA = 25°C  
UQFN-12HL 3x3 (FC) ----------------------------------------------------------------------------------------- 2.79W  
Package Thermal Resistance (Note 2)  
UQFN-12HL 3x3 (FC), θJA ------------------------------------------------------------------------------------ 35.8°C/W  
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------- 260°C  
Junction Temperature ------------------------------------------------------------------------------------------ 150°C  
Junction Temperature Range --------------------------------------------------------------------------------- 40°C to 125°C  
Storage Temperature Range---------------------------------------------------------------------------------- 65°C to 150°C  
ESD Susceptibility (Note 3)  
HBM (Human Body Model) ---------------------------------------------------------------------------------- 2kV  
Recommended Operating Conditions (Note 4)  
Supply Input Voltage VIN (RT6228A/B) ------------------------------------------------------------------- 4.5V to 23V  
Supply Input Voltage VIN (RT6228C) ---------------------------------------------------------------------- 5.1V to 23V  
Electrical Characteristics  
(VIN = 12V, TA = 25°C, unless otherwise specified)  
Parameter  
Input Voltage Range  
Supply Current  
Symbol  
VIN  
Test Conditions  
RT6228A/B  
Min  
4.5  
5.1  
Typ  
--  
Max  
23  
Unit  
V
RT6228/C  
--  
23  
VEN = 0 (RT6228A/B)  
VEN = 0 (RT6228C)  
2.5  
40  
5
10  
60  
Supply Current (Shutdown)  
ISHDN  
A  
A  
50  
IOUT = 0, VOUT = VSET  
105%, VEN = 1V  
x
Supply Current (Quiescent)  
IQ  
80  
100  
130  
Logic Threshold  
EN Input Low Voltage  
EN Input High Voltage  
VENL  
VENH  
--  
--  
--  
0.4  
--  
V
V
0.8  
Copyright 2018 Richtek Technology Corporation. All rights reserved.  
©
is a registered trademark of Richtek Technology Corporation.  
www.richtek.com  
6
DS6228A/B/C-02 September 2018  

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