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L6743B PDF预览

L6743B

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
16页 247K
描述
High current MOSFET driver

L6743B 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:DFN包装说明:VFDFN-8
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.81高边驱动器:YES
接口集成电路类型:HALF BRIDGE BASED MOSFET DRIVERJESD-30 代码:S-PDSO-N8
长度:3 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:HVSON封装等效代码:SOLCC8,.12,20
封装形状:SQUARE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 mm
子类别:MOSFET Drivers最大供电电压:13.8 V
最小供电电压:10.5 V标称供电电压:12 V
表面贴装:YES温度等级:COMMERCIAL
端子形式:NO LEAD端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
断开时间:0.045 µs接通时间:0.075 µs
宽度:3 mmBase Number Matches:1

L6743B 数据手册

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L6743B  
High current MOSFET driver  
Features  
Dual MOSFET driver for synchronous rectified  
converters  
High driving current for fast external MOSFET  
switching  
Integrated bootstrap diode  
High frequency operation  
Enable pin  
VFDFPN8 3 x 3 mm  
Combined with ST PWM controllers, the driver  
allows implementing complete voltage regulator  
solutions for modern high-current CPUs and  
DC-DC conversion in general. L6743B embeds  
high-current drivers for both high-side and  
low-side MOSFETs. The device accepts flexible  
power supply (5 V to 12 V) to optimize the  
gate-drive voltage for high-side and low-side  
maximizing the system efficiency.  
Adaptive dead-time management  
Flexible gate-drive: 5 V to 12 V compatible  
High-impedance (HiZ) management for output  
stage shutdown  
Preliminary OV protection  
VFDFPN8 3 x 3 mm package  
The bootstrap diode is embedded saving the use  
of external diodes. Anti shoot-through  
Applications  
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.  
High current VRM / VRD for desktop / server /  
workstation CPUs  
High current and high efficiency DC / DC  
converters  
L6743B 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  
L6743B 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 VFDFPN8 3 x 3 mm  
packages.  
Table 1.  
Device summary  
Order code  
Package  
VFDFPN8  
Packing  
L6743B  
Tube  
L6743BTR  
Tape and reel  
June 2008  
Rev 1  
1/16  
www.st.com  
1

L6743B 替代型号

型号 品牌 替代类型 描述 数据表
L6743BTR STMICROELECTRONICS

完全替代

High current MOSFET driver

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