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LX1673-03CLQ PDF预览

LX1673-03CLQ

更新时间: 2024-11-29 04:19:27
品牌 Logo 应用领域
美高森美 - MICROSEMI 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
13页 287K
描述
High Frequency PWM Regulator

LX1673-03CLQ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFN
包装说明:HVQCCN,针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.17
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:4.5 V
标称输入电压:5 VJESD-30 代码:S-PQCC-N20
JESD-609代码:e3长度:5 mm
湿度敏感等级:1功能数量:1
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:1 A
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1 mm表面贴装:YES
切换器配置:PUSH-PULL最大切换频率:345 kHz
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.65 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:5 mmBase Number Matches:1

LX1673-03CLQ 数据手册

 浏览型号LX1673-03CLQ的Datasheet PDF文件第2页浏览型号LX1673-03CLQ的Datasheet PDF文件第3页浏览型号LX1673-03CLQ的Datasheet PDF文件第4页浏览型号LX1673-03CLQ的Datasheet PDF文件第5页浏览型号LX1673-03CLQ的Datasheet PDF文件第6页浏览型号LX1673-03CLQ的Datasheet PDF文件第7页 
LX1673  
®
TM  
High Frequency PWM Regulator  
P
RODUCTION DATA SHEET  
KEY FEATURES  
DESCRIPTION  
ƒ Two Independently Regulated  
Outputs  
ƒ Outputs As Low As 0.8V  
Generated From An Internal 1%  
Reference  
ƒ Integrated High Current MOSFET  
Drivers  
ƒ 300KHz, 600KHz, and 900KHz  
High Frequency Operation  
Minimizes External Component  
Requirements  
The LX1673 is a highly integrated  
With onboard gate drivers, the switching  
power supply controller IC featuring one PWM output is capable of sourcing up to  
PWM switching regulator stage with an 15A. The LX1673 also features an  
additional onboard linear regulator additional Linear Regulator Controller  
driver.  
output, which when coupled with an  
With several switching frequencies inexpensive MOSFET is capable of  
available (up to 900kHz) the LX1673 supplying up to an additional 5A for I/O,  
can be optimized for both cost and PCB memory, and other supplies surrounding  
space.  
Utilizing external com- today’s microprocessor designs.  
Each regulator output voltage is  
pensation, a wide selection of external  
ƒ Soft-Start and Power Sequencing  
Control  
ƒ Adjustable Linear Regulator Driver  
Output  
components can be chosen for use in programmed via a simple voltage-divider  
any application while maintaining network.  
stable operation.  
The LX1673 incorporates a fully is implemented utilizing MOSFET RDS(ON)  
programmable soft-start and power impedance. This enables the LX1673 to  
sequence capabilities. The LDO and monitor maximum current limit conditions  
Integrated hiccup mode current limiting  
ƒ No current-sense resistors  
APPLICATIONS/BENEFITS  
PWM have independent enable pins.  
without the use of expensive current sense  
resistors.  
ƒ Video Card Power Supplies  
ƒ PC Peripherals  
ƒ Computer Add-On Cards  
ƒ 3.3V Power Conversion  
ƒ DDR Memory Termination  
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com  
PRODUCT HIGHLIGHT  
+3.3V  
+5V  
PWRGD  
VOUT1  
+12V  
+3.3V  
+5V  
20  
19  
18  
17  
16  
LDVCC PWGD VC1 TDRV PGND  
1
15  
14  
13  
12  
LDGD  
LDFB  
BDRV  
2
3
4
5
VCCL  
VCC  
VS  
VOUT2  
LDDIS  
DGND  
AGND  
LX1673  
+5V  
11  
CS  
DIS  
SS  
EA+ EA- EAO  
10  
6
7
8
9
LDDIS  
DIS  
PACKAGE ORDER INFO  
Plastic TSSOP  
Plastic MLPQ  
20-Pin  
Switching  
PW  
LQ  
TA (°C)  
20-Pin  
Frequency (kHz)  
RoHS Compliant / Pb-free RoHS Compliant / Pb-free  
-40 to 85  
-40 to 85  
-40 to 85  
300  
600  
900  
LX1673-03CPW  
LX1673-06CPW  
LX1673-09CPW  
LX1673-03CLQ  
LX1673-06CLQ  
LX1673-09CLQ  
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX1673-03CPW-TR)  
Copyright © 2004  
Rev 1.0, 3/18/2005  
Microsemi  
Integrated Products Division  
Page 1  
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570  

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