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Description

General part information

LTC4441 Series

The LTC4441/LTC4441-1 is an N-channel MOSFET gate driver that can supply up to 6A of peak output current. The chip is designed to operate with a supply voltage of up to 25V and has an adjustable linear regulator for the gate drive. The gate drive voltage can be programmed between 5V and 8V.The LTC4441/LTC4441-1 features a logic threshold driver input. This input can be driven below ground or above the driver supply. A dual function control input is provided to disable the driver or to force the chip into shutdown mode with <12µA of supply current. Undervoltage lockout and overtemperature protection circuits will disable the driver output when activated. The LTC4441 also comes with an open-drain output that provides adjustable leading edge blanking to prevent ringing when sensing the source current of the power MOSFETs.The LTC4441 is available in a thermally enhanced 10-lead MSOP package. The LTC4441-1 is the SO-8 version without the blanking function.Protected by U.S. Patents including 6677210.ApplicationsPower SuppliesMotor/Relay ControlLine DriversCharge Pumps

Technical Specifications

Parameters and characteristics for this part

SpecificationLTC4441MPMSE#TRPBF
Channel TypeSingle
Current - Peak Output (Sink)6 A
Current - Peak Output (Source)6 A
Driven ConfigurationLow-Side
Fall Time (Typ)8 ns
Gate ChannelN-Channel
Gate TypeMOSFET
Input TypeNon-Inverting
Logic Voltage - VIH2 V
Logic Voltage - VIL1.8 V
Mounting TypeSurface Mount
Number of Drivers1
Operating Temperature (Max)125 °C
Operating Temperature (Min)-55 °C
Package FeaturesExposed Pad
Package Length0.118 in
Package Name10-MSOP, 10-MSOP-EP
Package Width3 mm
Rise Time (Typ)13 ns
Voltage - Supply (Maximum)25 V
Voltage - Supply (Minimum)5 V

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