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LX7176ACLQ-TR PDF预览

LX7176ACLQ-TR

更新时间: 2024-02-16 00:07:39
品牌 Logo 应用领域
美高森美 - MICROSEMI 开关
页数 文件大小 规格书
15页 1560K
描述
Switching Regulator, Voltage-mode, 4A, 1750kHz Switching Freq-Max, PQCC12,

LX7176ACLQ-TR 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:QCCN, LCC12(UNSPEC)Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.72模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE端子数量:12
最高工作温度:85 °C最低工作温度:
最大输出电流:4 A封装主体材料:PLASTIC/EPOXY
封装代码:QCCN封装等效代码:LCC12(UNSPEC)
封装形式:CHIP CARRIER峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified子类别:Switching Regulator or Controllers
表面贴装:YES最大切换频率:1750 kHz
温度等级:OTHER端子形式:NO LEAD
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

LX7176ACLQ-TR 数据手册

 浏览型号LX7176ACLQ-TR的Datasheet PDF文件第2页浏览型号LX7176ACLQ-TR的Datasheet PDF文件第3页浏览型号LX7176ACLQ-TR的Datasheet PDF文件第4页浏览型号LX7176ACLQ-TR的Datasheet PDF文件第5页浏览型号LX7176ACLQ-TR的Datasheet PDF文件第6页浏览型号LX7176ACLQ-TR的Datasheet PDF文件第7页 
LX7176A  
4A Step-Down-Regulator  
Production Datasheet  
Description  
Features  
The LX7176A is a 4A step-down regulator with  
integrated MOSFETs packaged in a space saving QFN12  
2mm x 2mm for today’s mobile devices. It uses an ultra  
fast, constant frequency hysteretic control method to  
minimize external filter components while maintaining  
excellent regulation. The LX7176A reference voltage is  
0.6V.  
0-4A Step-down Regulator  
Operational Input Supply Voltage Range:  
3V-5.5V (short durations to 6.5V.)  
Hysteretic control offers best transient  
response  
CCM switching at a constant 1.65MHz  
Automatically switches to DCM switching  
The LX7176A operates from 3V to 5.5V rails and outputs  
0.6V to 100% of the input voltage.  
under light loads to improve efficiency  
100% Duty Ratio Operation  
Cycle-by-cycle current limiting protects against over-  
current conditions. Hiccup mode provides protection for  
Input under voltage and over voltage  
protection  
heavy over-load or short-circuit faults.  
Thermal  
protection shuts down the regulator under over-  
temperature conditions. Over voltage conditions will  
immediately shut off the output to protect against  
permanent damage. The LX7176A automatically restarts  
when all fault conditions are cleared. Internal soft start  
circuitry limits start up inrush currents.  
Enable and Power Good Function  
Internal soft-start  
Cycle-by-Cycle Over Current Protection  
Hiccup Mode protects against short circuit  
faults  
RoHS Compliant  
SW  
0.47µH  
VIN  
VOUT  
GND  
1
2, 11  
PVIN  
VIN  
SW  
FB  
GND  
10  
22µF, X5R  
Applications  
R1  
R2  
10µF  
X5R  
10µF  
X5R  
7
LX7176A  
8
9
EN  
High Performance HDD  
LCD TV  
6
5
OUT  
NC  
500k  
PGOOD  
Notebook/Netbook  
Server and Workstations  
Video Cards  
PGND  
3, 12  
AGND  
4
PGOOD  
PoE Powered Devices Smart Phone  
Figure 1: Typical Application Diagram  
Copyright © 2013  
Rev. 1.2 09/21/15  
Microsemi  
Page 1  
Analog Mixed Signal Group  
One Enterprise Aliso Viejo, CA 92656 USA 1-800-713-4113, 1-949-380-6100, fax 1-949-215-4996  

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