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RT8292B PDF预览

RT8292B

更新时间: 2024-11-12 12:23:39
品牌 Logo 应用领域
立锜 - RICHTEK 转换器
页数 文件大小 规格书
14页 298K
描述
2A, 23V, 1.2MHz Synchronous Step-Down Converter

RT8292B 数据手册

 浏览型号RT8292B的Datasheet PDF文件第2页浏览型号RT8292B的Datasheet PDF文件第3页浏览型号RT8292B的Datasheet PDF文件第4页浏览型号RT8292B的Datasheet PDF文件第5页浏览型号RT8292B的Datasheet PDF文件第6页浏览型号RT8292B的Datasheet PDF文件第7页 
RT8292B  
2A, 23V, 1.2MHz Synchronous Step-Down Converter  
General Description  
Features  
z
1.5% High Accuracy Feedback Voltage  
The RT8292B is a high efficiency, monolithic synchronous  
step-down DC/DC converter that can deliver up to 2A  
output current from a 4.5V to 23V input supply. The  
RT8292B's current mode architecture and external  
compensation allow the transient response to be  
optimized over a wide range of loads and output capacitors.  
Cycle-by-cycle current limit provides protection against  
shorted outputs and soft-start eliminates input current  
surge during start-up. The RT8292B also provides under  
voltage protection and thermal shutdown protection. The  
low current (<3μA) shutdown mode provides output  
disconnction, enabling easy power management in  
battery-powered systems. The RT8292B is available in a  
SOP-8 (Exposed Pad) package.  
z 4.5V to 23V Input Voltage Range  
z 2A Output Current  
z Integrated N-MOSFET Switches  
z Current Mode Control  
z Fixed Frequency Operation : 1.2MHz  
z Adjustable Output from 0.8V to 15V  
z Up to 95% Efficiency  
z Programmable Soft-Start  
z Stable with Low ESR Ceramic Output Capacitors  
z Cycle-by-Cycle Over Current Protection  
z Input Under Voltage Lockout  
z Output Under Voltage Protection  
z Thermal Shutdown Protection  
z RoHS Compliant and Halogen Free  
Ordering Information  
RT8292B  
Applications  
Package Type  
z Wireless AP/Router  
SP : SOP-8 (Exposed Pad-Option 1)  
z Set-Top-Box  
Lead Plating System  
z Industrial and Commercial Low Power Systems  
z LCDMonitors and TVs  
G : Green (Halogen Free and Pb Free)  
Z : ECO (Ecological Element with  
Halogen Free and Pb free)  
z Green Electronics/Appliances  
z Point of Load Regulation of High-PerformanceDSPs  
H : UVP Hiccup  
L : UVP Latch-Off  
Pin Configurations  
Note :  
(TOP VIEW)  
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.  
8
BOOT  
VIN  
SS  
2
3
4
7
6
5
EN  
GND  
SW  
COMP  
FB  
9
GND  
SOP-8 (Exposed Pad)  
Marking Information  
RT8292BxGSP  
RT8292BxZSP  
RT8292BxGSP : Product Number  
RT8292BxZSP : Product Number  
x : H or L  
RT8292Bx  
RT8292Bx  
x : H or L  
GSPYMDNN  
ZSPYMDNN  
YMDNN : Date Code  
YMDNN : Date Code  
DS8292B-03 March 2011  
www.richtek.com  
1

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