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L6743 PDF预览

L6743

更新时间: 2024-09-09 03:49:55
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 驱动器
页数 文件大小 规格书
17页 318K
描述
High current MOSFET driver

L6743 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.82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
长度:4.9 mm功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:12 V
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:MOSFET Drivers最大供电电压:13.8 V
最小供电电压:10.2 V标称供电电压:12 V
表面贴装:YES温度等级:COMMERCIAL
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:3.9 mmBase Number Matches:1

L6743 数据手册

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L6743  
L6743Q  
High current MOSFET driver  
Features  
Dual MOSFET driver for synchronous rectified  
converters  
High driving current for fast external MOSFET  
switching  
SO-8  
DFN10 3x3  
Integrated bootstrap diode  
High frequency operation  
Enable pin  
Combined with ST PWM Controllers, the driver  
allows implementing complete voltage regulator  
solutions for modern high-current CPUs and  
DCDC conversion in general. L6743, L6743Q  
embeds high-current drivers for both high-side  
and low-side MOSFETS. The device accepts  
flexible power supply (5V to 12V) to optimize the  
gate-drive voltage for High-Side and Low-Side  
maximizing the System Efficiency.  
Adaptive dead-time management  
Flexible gate-drive: 5V to 12V compatible  
High-impedance (HiZ) management for output  
stage Shutdown  
Preliminary OV protection  
SO-8 and DFN10 3x3 packages  
The Bootstrap diode is embedded saving the use  
of external diodes. Anti shoot-through  
management avoids high-side and low-side  
mosfet to conduct simultaneously and, combined  
with Adaptive Dead-Time control, minimizes the  
LS body diode conduction time.  
Applications  
High current VRM / VRD for Desktop / Server /  
Workstation CPUs  
High current and high efficiency DC / DC  
converters  
L6743, L6743Q embeds Preliminary OV  
Protection: after Vcc overcomes the UVLO and  
while the device is in HiZ, the LS MOSFET is  
turned ON to protect the load in case the output  
voltage overcomes a warning threshold protecting  
the output against HS failures.  
Description  
L6743, L6743Q is a flexible, high-frequency dual-  
driver specifically designed to drive N-channel  
MOSFETs connected in Synchronous-Rectified  
Buck topology.  
The driver is available is SO8 and DFN10 3x3  
packages  
Table 1.  
Device summary  
Order code  
Package  
Packaging  
L6743  
L6743TR  
L6743Q  
SO-8  
SO-8  
Tube  
Tape & Reel  
Tube  
DFN10  
DFN10  
L6743QTR  
Tape & Reel  
August 2007  
Rev 1  
1/17  
www.st.com  
1

L6743 替代型号

型号 品牌 替代类型 描述 数据表
L6743TR STMICROELECTRONICS

完全替代

High current MOSFET driver
L6741TR STMICROELECTRONICS

完全替代

High current MOSFET driver
L6741 STMICROELECTRONICS

完全替代

High current MOSFET driver

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