High Speed Synchronous N-Channel MOSFET Driver

The LTC4447 is a high frequency Gate driver with integrat- ed bootstrap Schottky Diode that is designed to drive two N-Channel MOSFETs in a synchronous DC/DC converter. The powerful Rail-to-Rail driver capability reduces switching losses in MOSFETs with high Gate capacitance. The LTC4447 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 LTC4447 activates a shut- down mode that turns off both external MOSFETs The input Logic signal is internally level-shifted to the bootstrapped supply, which functions at up to 42V above ground. The Schottky Diode required for the bootstrapped supply is integrated to simplify layout and reduce parts count. The LTC4447 contains undervoltage lockout circuits on both the driver and Logic supplies that turn off the external MOSFETs when an undervoltage condition is present. An adaptive shoot-through protection feature is also built-in to prevent the power loss resulting from MOSFET cross- conduction current. The LTC4447 is available in the 3mm 3mm DFN package. By Linear Technology Corporation
LTC4447 's PackagesLTC4447 's pdf datasheet
LTC4447EDD DFN




LTC4447 Pinout, Pinouts
LTC4447 pinout,Pin out
This is one package pinout of LTC4447,If you need more pinouts please download LTC4447's pdf datasheet.

LTC4447 Application circuits
LTC4447 circuits
This is one application circuit of LTC4447,If you need more circuits,please download LTC4447's pdf datasheet.


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