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GRM32ER71C226M PDF预览

GRM32ER71C226M

更新时间: 2024-09-16 11:59:23
品牌 Logo 应用领域
立锜 - RICHTEK 转换器
页数 文件大小 规格书
15页 272K
描述
2A, 18V, 1.2MHz Synchronous Step-Down Converter

GRM32ER71C226M 数据手册

 浏览型号GRM32ER71C226M的Datasheet PDF文件第2页浏览型号GRM32ER71C226M的Datasheet PDF文件第3页浏览型号GRM32ER71C226M的Datasheet PDF文件第4页浏览型号GRM32ER71C226M的Datasheet PDF文件第5页浏览型号GRM32ER71C226M的Datasheet PDF文件第6页浏览型号GRM32ER71C226M的Datasheet PDF文件第7页 
®
RT7237B  
2A, 18V, 1.2MHz Synchronous Step-Down Converter  
General Description  
Features  
1.5% High Accuracy Reference Voltage  
The RT7237B is a high efficiency, monolithic synchronous  
step-down DC/DC converter that can deliver up to 2A  
output current from a 4.5V to 18V input supply. The  
RT7237B's current mode architecture and external  
compensation allow the transient response to be  
optimized over a wide input range and loads. Cycle-by-  
cycle current limit provides protection against shorted  
outputs, and soft-start eliminates input current surge during  
start-up. The RT7237B also provides under voltage  
protection and thermal shutdown protection. The low  
current (<3μA) shutdown mode provides output  
disconnection, enabling easy power management in  
battery-powered systems. The RT7237B is available in  
an SOP-8 (Exposed Pad) package.  
4.5V to 18V Input Voltage Range  
2A Output Current  
Integrated N-MOSFET Switches  
Current Mode Control  
Fixed Frequency Operation : 1.2MHz  
Output Adjustable from 0.8V to 12V  
Stable with Low ESR Ceramic Output Capacitors  
Up to 95% Efficiency  
Programmable Soft-Start  
Cycle-by-Cycle Over Current Limit  
Input Under Voltage Lockout  
Output Under Voltage Protection  
Thermal Shutdown Protection  
RoHS Compliant and Halogen Free  
Marking Information  
Applications  
RT7237BxGSP : Product Number  
RT7237Bx  
x : H or L  
Wireless AP/Router  
GSPYMDNN  
Set-Top-Box  
YMDNN : Date Code  
Industrial and Commercial Low Power Systems  
LCDMonitors and TVs  
Green Electronics/Appliances  
Point of Load Regulation of High-PerformanceDSPs  
Simplified Application Circuit  
VIN  
BOOT  
RT7237B  
V
IN  
C
BOOT  
C
IN  
L
SW  
V
OUT  
Chip Enable  
R1  
R2  
EN  
SS  
C
OUT  
FB  
C
SS  
C
C
R
C
COMP  
GND  
Copyright 2012 Richtek Technology Corporation. All rights reserved.  
©
is a registered trademark of Richtek Technology Corporation.  
DS7237B-01 September 2012  
www.richtek.com  
1

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