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SC1418IMSTR PDF预览

SC1418IMSTR

更新时间: 2024-11-30 19:58:43
品牌 Logo 应用领域
商升特 - SEMTECH 开关光电二极管
页数 文件大小 规格书
7页 168K
描述
Switching Regulator, Current-mode, 0.24A, 780kHz Switching Freq-Max, PDSO8, MSOP-8

SC1418IMSTR 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:MSOP
包装说明:TSSOP,针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.9
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标称输入电压:1.2 V
JESD-30 代码:S-PDSO-G8JESD-609代码:e0
长度:3 mm功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.24 A
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.1 mm表面贴装:YES
切换器配置:BOOST最大切换频率:780 kHz
温度等级:INDUSTRIAL端子面层:TIN LEAD
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

SC1418IMSTR 数据手册

 浏览型号SC1418IMSTR的Datasheet PDF文件第2页浏览型号SC1418IMSTR的Datasheet PDF文件第3页浏览型号SC1418IMSTR的Datasheet PDF文件第4页浏览型号SC1418IMSTR的Datasheet PDF文件第5页浏览型号SC1418IMSTR的Datasheet PDF文件第6页浏览型号SC1418IMSTR的Datasheet PDF文件第7页 
SC1418  
600kHz Single Cell  
Step-Up DC/DC Converter  
PRELIMINARY  
POWER MANAGEMENT  
Description  
Features  
The SC1418 is a fixed off time, current mode, step up DC/  
DC converter aimed primarily at single cell  
applications. By using synchronous rectification  
conversion efficiencies of greater than 90% are  
achievable. The fixed off time is varied with input to  
output ratio to achieve constant frequency operation for a  
range of input voltages.  
u Pseudo fixed OFF time, current mode control  
u Bootstrapped supply voltage  
u Constant frequency over wide load range  
u Fixed 3.3V output  
u 180mA output load at VIN = 1.2V  
u Synchronous rectification, 550mon chip PMOS  
u 350mon-chip power NMOS  
u Up to 92% efficient at 100mA load  
u Guaranteed startup at 0.9V  
The chip is initially powered from the input voltage. Once  
the output is established, the chip is powered from the  
output.  
u Low battery monitor function  
u MSOP-8 package  
Start up is guaranteed from a 0.9V input supply with loads  
less than 5mA.  
The low battery monitor, including 200mV reference  
circuit, remains active when the part is shut down.  
Applications  
u PDA, MP3, Pager  
u Cordless Telephone  
u Hand held GPS  
Typical Application Circuit  
10uH  
1M  
EN  
LBO  
5
8
1
4
3
VIN  
LX  
VOUT  
CO MP  
LBO  
7
VOUT  
EN  
6
LBI  
2
G ND  
1M  
0.9V  
1500pF  
20k  
SC1418IS  
to  
3.0V  
10uF  
10uF  
100pF  
270k  
G ND  
1
www.semtech.com  
Revision 09/2001  

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