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GRM21BR60J226M PDF预览

GRM21BR60J226M

更新时间: 2024-11-16 12:23:35
品牌 Logo 应用领域
立锜 - RICHTEK 转换器
页数 文件大小 规格书
15页 237K
描述
2A, 24V, 1.2MHz Step-Down Converter

GRM21BR60J226M 数据手册

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RT8271  
2A, 24V, 1.2MHz Step-Down Converter  
General Description  
Features  
z Wide Operating Input Range : 4.75V to 24V  
z Adjustable Output Voltage Range : 0.92V to 16V  
z Output Current up to 2A  
The RT8271 is a high voltage buck converter that can  
support the input voltage range from 4.75V to 24V and the  
output current can be up to 2A. Current Mode operation  
provides fast transient response and eases loop  
stabilization. The RT8271 also provides adjustable soft-  
start to be a flexible solution for customers.  
z 22μA Low Shutdown Current  
z Power MOSFET : 0.18Ω  
z High Efficiency up to 92%  
z 1.2MHz Fixed Switching Frequency  
z Stable with Low ESR Output Ceramic Capacitors  
z Programmable Soft-Start  
The chip provides protection functions such as cycle-by-  
cycle current limiting and thermal shutdown protection.  
In shutdown mode, the regulator draws 22μA of supply  
current. The RT8271 is available in the SOP-8 and  
MSOP-10 (Exposed Pad) surface mount package.  
z Thermal Shutdown Protection  
z Cycle-By-Cycle Over Current Protection  
z RoHS Compliant and Halogen Free  
Ordering Information  
RT8271  
Applications  
Package Type  
S : SOP-8  
FP : MSOP-10 (Exposed Pad)  
z Distributive Power Systems  
z Battery Charger  
z DSL Modems  
Lead Plating System  
G : Green (Halogen Free and Pb Free)  
z Pre-regulator for Linear Regulators  
Note :  
Pin Configurations  
Richtek products are :  
(TOP VIEW)  
` 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.  
NC  
BOOT  
NC  
VIN  
SW  
10  
9
SS  
EN  
COMP  
FB  
GND  
2
3
4
5
8
GND  
7
11  
6
Marking Information  
MSOP-10 (Exposed Pad)  
For marking information, contact our sales representative  
directly or through a Richtek distributor located in your  
area, otherwise visit our website for detail.  
8
BOOT  
SS  
2
3
4
7
6
5
VIN  
SW  
EN  
COMP  
FB  
GND  
SOP-8  
DS8271-02 March 2011  
www.richtek.com  
1

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