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LTC4442IMS8E-1#TRPBF

更新时间： 2024-11-13 13:09:55
品牌 Logo 应用领域
凌特 - Linear 驱动器
页数 文件大小 规格书
12页 159K
描述
LTC4442/LTC4442-1 - High Speed Synchronous N-Channel MOSFET Drivers; Package: MSOP; Pins: 8; Temperature Range: -40°C to 85°C

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LTC4442IMS8E-1#TRPBF 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：MSOP包装说明：TSSOP, TSSOP8,.19
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14Is Samacsys：N
其他特性：IT CAN ALSO OPERATE WITH 5V高边驱动器：YES
接口集成电路类型：HALF BRIDGE BASED MOSFET DRIVERJESD-30 代码：S-PDSO-G8
JESD-609代码：e3长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：标称输出峰值电流：2.4 A
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP8,.19封装形状：SQUARE
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：7 V认证状态：Not Qualified
座面最大高度：1.1 mm子类别：MOSFET Drivers
最大供电电压：9.5 V最小供电电压：6 V
标称供电电压：7 V表面贴装：YES
技术：CMOS温度等级：OTHER
端子面层：Matte Tin (Sn)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：30宽度：3 mm
Base Number Matches：1

LTC4442IMS8E-1#TRPBF 数据手册

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LTC4442/LTC4442-1  
High Speed Synchronous  
N-Channel MOSFET Drivers  
FEATURES  
DESCRIPTION  
The LTC®4442 is a high frequency gate driver designed  
to drive two N-channel MOSFETs in a synchronous buck  
DC/DC converter topology. The powerful driver capabil-  
ity reduces switching losses in MOSFETs with high gate  
capacitance.  
■
Wide V Range: 6V to 9.5V  
CC  
■
38V Maximum Input Supply Voltage  
■
Adaptive Shoot-Through Protection  
■
2.4A Peak Pull-Up Current  
5A Peak Pull-Down Current  
■
■
8ns TG Fall Time Driving 3000pF Load  
The LTC4442 features a separate supply for the input  
logic to match the signal swing of the controller IC. If the  
input signal is not being driven, the LTC4442 activates a  
shutdown mode that turns off both external MOSFETs.  
The input logic signal is internally level-shifted to the  
bootstrapped supply, which may function at up to 42V  
above ground.  
■
12ns TG Rise Time Driving 3000pF Load  
■
Separate Supply to Match PWM Controller  
■
Drives Dual N-Channel MOSFETs  
■
Undervoltage Lockout  
■
Thermally Enhanced MSOP Package  
APPLICATIONS  
The LTC4442 contains undervoltage lockout circuits on  
both the driver and logic supplies that turn off the external  
MOSFETs when an undervoltage condition is present.  
The LTC4442 and LTC4442-1 have different undervoltage  
lockout thresholds to accommodate a wide variety of ap-  
plications.Anadaptiveshoot-throughprotectionfeatureis  
also built-in to prevent power loss resulting from MOSFET  
cross-conduction current.  
■
Distributed Power Architectures  
High Density Power Modules  
■
The LTC4442/LTC4442-1 are available in the thermally  
enhanced 8-lead MSOP package.  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
LTC4442 Driving 3000pF Capacitive Loads  
Synchronous Buck Converter Driver  
INPUT (IN)  
5V/DIV  
V
V
IN  
CC  
32V  
6V  
BOOST  
LTC4442  
BOTTOM  
GATE (BG)  
5V/DIV  
V
V
TG  
TS  
LOGIC  
CC  
TOP GATE  
(TG-TS)  
5V/DIV  
V
OUT  
PWM  
IN  
BG  
GND  
4442 TA01a  
4442 TA01b  
10ns/DIV  
4442fa  
1
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