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LT1162CSW PDF预览

LT1162CSW

更新时间: 2024-11-13 05:43:23
品牌 Logo 应用领域
Linear Systems 驱动器
页数 文件大小 规格书
16页 229K
描述
Half-/Full-Bridge N-Channel Power MOSFET Drivers

LT1162CSW 数据手册

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LT1160/LT1162  
Half-/Full-Bridge  
N-Channel  
Power MOSFET Drivers  
U
FEATURES  
DESCRIPTIO  
The LT®1160/LT1162 are cost effective half-/full-bridge  
N-channel power MOSFET drivers. The floating driver can  
drivethetopsideN-channelpowerMOSFETsoperatingoff  
a high voltage (HV) rail of up to 60V.  
Floating Top Driver Switches Up to 60V  
Drives Gate of Top N-Channel MOSFET  
above Load HV Supply  
180ns Transition Times Driving 10,000pF  
Adaptive Nonoverlapping Gate Drives Prevent  
The internal logic prevents the inputs from turning on the  
power MOSFETs in a half-bridge at the same time. Its  
unique adaptive protection against shoot-through cur-  
rents eliminates all matching requirements for the two  
MOSFETs. This greatly eases the design of high efficiency  
motor control and switching regulator systems.  
Shoot-Through  
Top Drive Protection at High Duty Cycles  
TTL/CMOS Input Levels  
Undervoltage Lockout with Hysteresis  
Operates at Supply Voltages from 10V to 15V  
Separate Top and Bottom Drive Pins  
Duringlowsupplyorstart-upconditions,theundervoltage  
lockout actively pulls the driver outputs low to prevent the  
power MOSFETs from being partially turned on. The 0.5V  
hysteresis allows reliable operation even with slowly vary-  
ing supplies.  
U
APPLICATIO S  
PWM of High Current Inductive Loads  
Half-Bridge and Full-Bridge Motor Control  
Synchronous Step-Down Switching Regulators  
TheLT1162isadualversionoftheLT1160andisavailable  
in a 24-pin PDIP or in a 24-pin SO Wide package.  
3-Phase Brushless Motor Drive  
High Current Transducer Drivers  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
Class D Power Amplifiers  
U
TYPICAL APPLICATIO  
1N4148  
HV = 60V MAX  
+
1000µF  
100V  
1
14  
13  
12  
11  
+
+
SV  
PV  
BOOST  
T GATE DR  
T GATE FB  
T SOURCE  
12V  
10  
10µF  
25V  
IRFZ44  
C
1µF  
BOOST  
4
UV OUT  
IN TOP  
LT1160  
B GATE DR  
2
3
9
8
IN TOP IN BOTTOM T GATE DR B GATE DR  
IRFZ44  
PWM  
0Hz TO 100kHz  
L
L
L
H
L
L
L
H
L
L
H
L
L
IN BOTTOM B GATE FB  
SGND  
5
PGND  
6
H
H
H
1160 TA01  
11602fb  
1

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