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SC2449ISWTRT PDF预览

SC2449ISWTRT

更新时间: 2024-10-01 03:44:39
品牌 Logo 应用领域
商升特 - SEMTECH 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
21页 1570K
描述
BI-Phase/Dual Controller

SC2449ISWTRT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP, SOP28,.4针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.23
Is Samacsys:N模拟集成电路 - 其他类型:DUAL SWITCHING CONTROLLER
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:28 V最小输入电压:8.5 V
标称输入电压:24 VJESD-30 代码:R-PDSO-G28
JESD-609代码:e3长度:17.9 mm
功能数量:1端子数量:28
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:2 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP28,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:10.64 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:1000 kHz技术:MOS
温度等级:INDUSTRIAL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:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

SC2449ISWTRT 数据手册

 浏览型号SC2449ISWTRT的Datasheet PDF文件第2页浏览型号SC2449ISWTRT的Datasheet PDF文件第3页浏览型号SC2449ISWTRT的Datasheet PDF文件第4页浏览型号SC2449ISWTRT的Datasheet PDF文件第5页浏览型号SC2449ISWTRT的Datasheet PDF文件第6页浏览型号SC2449ISWTRT的Datasheet PDF文件第7页 
SC2449  
BI-Phase/Dual Controller  
POWER MANAGEMENT  
Features  
Description  
The SC2449 can be configured as a dual converter or a  
bi-phase converter for high current applications. The part  
is designed for point of use power supplies with 8.5-28V  
nominal backplane power sources. Multiple supplies can  
be synchronized together to prevent low frequency har-  
monics on the backplane. The power dissipation is con-  
trolled using a novel low voltage supply technique, allow-  
ing high speed and integration, with the high drive cur-  
rents to ensure low MOSFET switching loss.  
Selectable dual output or bi-phase operation  
Direct drive for N-channel MOSFETs  
Undervoltage lockout  
Synchronization to external clock  
Multi-converter synchronization  
Soft start  
Fast transient response  
Max duty cycle 45%  
Output over voltage protection  
Thermal shutdown  
28-Pin SO lead free package available. Fully WEEE  
and RoHS compliant  
The use of high speed switching circuits allows very nar-  
row PWM outputs down to 15:1 voltage ratios. Single  
pin compensation for each channel simplifies develop-  
ment as well as reducing external pin count.  
Applications  
Capable of driving MOSFETs via external driver transis-  
tors for phase currents beyond 20A.  
Power supplies for advanced telecoms/datacoms  
SO IP, Ethernet and PABX power supplies  
Typical Application Circuit  
1
www.semtech.com  
Revision: January 17, 2007  

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