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MFG:LT  Package Cooled:N/A  D/C:SOP8  

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Part Number: LT1160

 

MFG: LT

Package Cooled: N/A

D/C: SOP8

Description: The LT(R)1160/LT1162 are cost effective half-/full-bridge N-channel power MO...


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LT1160 General Description


The LT(R) 1160/LT1162 are cost effective half-/full-bridge N-channel power MOSFET drivers. The floating driver can drive the topside N-channel power MOSFETs operating off a high voltage (HV) rail of up to 60V.

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 currents eliminates all matching requirements for the two MOSFETs. This greatly eases the design of high efficiency motor control and switching regulator systems.

During low supply or start-up conditions, the undervoltage 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 varying supplies.

The LT1162 is a dual version of the LT1160 and is available in a 24-pin PDIP or in a 24-pin SO Wide package.

LT1160 Maximum Ratings

Supply Voltage (Note 1)............................................  20V
Boost Voltage ..........................................................  75V
Peak Output Currents (< 10s)...............................  1.5A
Input Pin Voltages ..........................  0.3V+ to V  + 0.3V
Top Source Voltage ...................................... 5V to 60V
Boost to Source Voltage............................. 0.3V to 20V
Operating Temperature Range
Commercial................................................ 0°C to 70°C
Industrial.............................................  40°C to 85°C
Junction Temperature (Note 2)............................ 125°C
Storage Temperature Range.............  65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C

LT1160 Features

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 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

LT1160 Typical Application

PWM of High Current Inductive Loads Half-Bridge and Full-Bridge Motor Control Synchronous Step-Down Switching Regulators 3-Phase Brushless Motor Drive
High Current Transducer Drivers Class D Power Amplifiers

LT1160 Connection Diagram

LT1160 Connection Diagram

LT1160 datasheet

LT1160
PDF/DataSheet Download

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