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SC1211VXSTRT PDF预览

SC1211VXSTRT

更新时间： 2024-11-19 03:13:43
品牌 Logo 应用领域
商升特 - SEMTECH 驱动器MOSFET驱动器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
11页 295K
描述
High Speed, Combi-Sense㈢, Synchronous MOSFET Driver for Mobile Applications

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SC1211VXSTRT 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：ROHS COMPLIANT, SOIC-8针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.61
Is Samacsys：N高边驱动器：YES
接口集成电路类型：HALF BRIDGE BASED MOSFET DRIVERJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.875 mm
湿度敏感等级：1功能数量：1
端子数量：8封装主体材料：PLASTIC/EPOXY
封装代码：HLSOP封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：1.68 mm
子类别：MOSFET Drivers最大供电电压：6 V
最小供电电压：4.3 V标称供电电压：5 V
表面贴装：YES端子面层：Matte Tin (Sn)
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：3.93 mmBase Number Matches：1

SC1211VXSTRT 数据手册

 浏览型号SC1211VXSTRT的Datasheet PDF文件第2页浏览型号SC1211VXSTRT的Datasheet PDF文件第3页浏览型号SC1211VXSTRT的Datasheet PDF文件第4页浏览型号SC1211VXSTRT的Datasheet PDF文件第5页浏览型号SC1211VXSTRT的Datasheet PDF文件第6页浏览型号SC1211VXSTRT的Datasheet PDF文件第7页 
SC1211VX  
High Speed, Combi-Sense®, Synchronous  
MOSFET Driver for Mobile Applications  
POWER MANAGEMENT  
Features  
Description  
The SC1211VX is a high speed, Combi-Sense®, dual out- ꢀ High efficiency  
put driver designed to drive high-side and low-side  
MOSFETs in a synchronous Buck converter. These  
drivers combined with Combi-Sense® PWM controllers,  
such as Semtech SC2643VX or SC2643, provide a  
cost effective multi-phase voltage regulator for advanced  
microprocessors.  
ꢀ High peak drive current  
ꢀ Adaptive non-overlapping gate drives provide  
shoot-through protection  
ꢀ Support Combi-Sense® and VID-on-fly operations  
ꢀ Fast rise and fall times (15ns typical with 3000pf  
load)  
ꢀ Ultra-low (<30ns) propagation delay (BG going low)  
ꢀ Floating top gate drive  
ꢀ Crowbar function for over voltage protection  
ꢀ High frequency (to 1.5 MHz) operation allows use  
of small inductors and low cost ceramic capacitors  
ꢀ Under-voltage-lockout  
The Combi-Sense® is a technique to sense the inductor  
current for peak current mode control of voltage regula-  
tor without using sensing resistor. It provides the follow-  
ing advantages:  
- No costly precision sensing resistor  
- Lossless current sensing  
ꢀ Low quiescent current  
- High level noise free signal  
- Fast response  
ꢀ Power SOIC-8L package, fully RoHS and WEEE  
compliant  
- Suitable for wide range of duty cycle  
- Only two small signal components (third optional)  
The detailed explanation of the technique can be found  
in the Applications Information section.  
Applications  
A 30ns max propagation delay from input transition to  
the gate of the power FET’s guarantees operation at high  
ꢀ Intel Pentium® processor power supplies  
switching frequencies. Internal overlap protection circuit ꢀ AMD AthlonTM and AMD-K8TM processor power  
prevents shoot-through from Vin to PGND in the main  
and synchronous MOSFETs. The adaptive overlap pro-  
tection circuit ensures the bottom FET does not turn on  
until the top FET source has reached 1V, to prevent cross-  
conduction.  
supplies  
ꢀ High efficiency portable and notebook computers  
ꢀ Battery powered applications  
ꢀ High current low voltage DC-DC converters  
High current drive capability allows fast switching, thus  
reducing switching losses at high (up to 1.5MHz) frequen-  
cies without causing thermal stress on the driver.  
Under-voltage-lockout and over-temperature shutdown  
features are included for proper and safe operation.  
Timed latches and improved robustness are built into  
the housekeeping functions such as the Under Voltage  
Lockout and adaptive Shoot-through protection circuitry  
to prevent false triggering and to assure safe operation.  
The SC1211VX is offered in a Power SOIC-8L package.  
1
www.semtech.com  
October 12, 2005  
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SC1211VXSTRT 替代型号

型号 品牌 替代类型 描述 数据表
NCP1393BDR2G ONSEMI

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