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LX2173CDM-TR PDF预览

LX2173CDM-TR

更新时间: 2024-11-07 13:09:55
品牌 Logo 应用领域
美高森美 - MICROSEMI 稳压器开关功效
页数 文件大小 规格书
6页 254K
描述
Switching Regulator, Current-mode, 2.8A, 115kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, PLASTIC, SOIC-8

LX2173CDM-TR 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:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.72
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:25 V最小输入电压:3 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.915 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:最大输出电流:2.8 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:2 mm表面贴装:YES
切换器配置:BUCK-BOOST最大切换频率:115 kHz
温度等级:COMMERCIAL端子面层:MATTE TIN
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.875 mmBase Number Matches:1

LX2173CDM-TR 数据手册

 浏览型号LX2173CDM-TR的Datasheet PDF文件第2页浏览型号LX2173CDM-TR的Datasheet PDF文件第3页浏览型号LX2173CDM-TR的Datasheet PDF文件第4页浏览型号LX2173CDM-TR的Datasheet PDF文件第5页浏览型号LX2173CDM-TR的Datasheet PDF文件第6页 
LX2172 / 73  
1.25A HIGH-EFFICIENCY 100KH  
Z
SWITCHING  
REGULATOR  
P
R E L I M I N A R Y  
D
A T A H E E T  
S
T
H E  
I
N F I N I T E  
P
O W E R O F  
I N N O V A T I O N  
KEY FEATURES  
DESCRIPTION  
The LX2172/73 are fixed-frequency,  
current-mode switching regulator integrated also be used in forward and inverting  
circuits. These ICs contain all necessary converter configuations.  
control circuitry plus a 1.25A on-board  
transistor to design a complete DC:DC external clock for synchronization, and can  
switching regulator with minimum external enter micropower operation when the VC  
boost and flyback applications, but can  
„
1.25A, 65V Internal Power  
Switch  
„
„
„
3V - 25V Input Voltage Range  
Current-Mode Operation  
Improved Internal Cycle-By-  
Cycle Current Limiting  
Thermal Shutdown  
Less Than 10µA Quiescent  
Current In Microprocessor  
Shutdown Mode  
The LX2172 can be connected to an  
„
„
components.  
pin is pulled low. The LX2173 has an  
All functions are integrated into a single enable function, which permits extremely  
IC, available in 8-pin DIP and SOIC or a 5- low micropower operation, consuming  
pin TO-220 power package, making them under 10µA current when the ENALE  
extremely easy to design with and use. The pin is brought low  
„
„
External Frequency  
Synchronization Possible  
100kHz Operating Frequency  
LX2172/73 are optimized for  
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com  
APPLICATIONS  
„
„
„
„
„
Boost Converter  
PRODUCT HIGHLIGHT  
Laptop / Notebook Computers  
Portable Equipment  
Small Motor Applications  
Flyback Converters  
SEPIC CONVER TER  
U
SING  
THE LX2172  
Input 6-24V, Output 7V, 300mA  
VIN  
6-24V DC  
Output  
7V  
300mA  
Part #  
Pin 4 Connection  
C2  
330 µF  
LX2172  
SYNC Input  
D
L1  
7V  
Low µPower Mode  
(Hi ENABLE)  
1mH  
LX2173  
C1  
C3  
817  
U1  
COUT  
220 µF  
22µF  
0.1µF  
1
2
3
4
8
7
6
5
GND  
E
2
R
13.7k  
1
VC  
VSW  
FB  
E
C4  
0.47 µF  
1
L2  
1mH  
SYNC  
VIN  
(See Note 1)  
CDECOUPLE  
0.47 µF  
R
R
2
3
3.0k  
100  
Note 1: SYNC Pin Requirements:  
A) FMAX = 200kHz  
B) TTL Compatible Level  
C) Pulse Width T Range - 0.1µs < TP < 2.0µs  
P
PACKAGE ORDER INFO  
Plastic DIP  
Pin  
Plastic SOIC  
Plastic TO-220  
5-Pin  
M
DM  
P
8-Pin  
TA (°C)  
RoHS Compliant / Pb-free  
Transition DC: 0503  
RoHS Compliant / Pb-free  
Transition DC: 0440  
0 to 70  
LX217xCM  
LX217xCDM  
LX217xCP  
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX2172CDM-TR)  
L
I N  
F
I N I T Y  
M
I C R O E L E C T R O N I C S  
I N C .  
Copyright © 1998  
Rev. 0.4a ,2005-03-09  
1
11861 WESTERN  
A
VENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570  

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