LTC4444-5 Series

High Voltage Synchronous N-Channel MOSFET Driver

Manufacturer: Analog Devices Inc./Maxim Integrated

Catalog

High Voltage Synchronous N-Channel MOSFET Driver

Part	Rise / Fall Time (Typ) [custom]	Rise / Fall Time (Typ) [custom]	Package / Case	Package / Case	Driven Configuration	Operating Temperature [Max]	Operating Temperature [Min]	Logic Voltage - VIL, VIH	Current - Peak Output (Source, Sink) [custom]	Current - Peak Output (Source, Sink) [custom]	Voltage - Supply [Min]	Voltage - Supply [Max]	Number of Drivers	High Side Voltage - Max (Bootstrap) [Max]	Input Type	Mounting Type	Gate Type	Channel Type	Supplier Device Package
Analog Devices Inc./Maxim Integrated LTC4444MPMS8E-5#PBF	5 ns	8 ns	0.118 in 3 mm	8-MSOP 8-TSSOP Exposed Pad	Half-Bridge	150 °C	-55 °C	1.85 V 3.25 V	2.5 A	3 A	4.5 V	13.5 V	2	114 V	Non-Inverting	Surface Mount	MOSFET (N-Channel)	Independent	8-MSOP-EP
Analog Devices Inc./Maxim Integrated LTC4444IMS8E-5#PBF	5 ns	8 ns	0.118 in 3 mm	8-MSOP 8-TSSOP Exposed Pad	Half-Bridge	125 °C	-40 C	1.85 V 3.25 V	2.5 A	3 A	4.5 V	13.5 V	2	114 V	Non-Inverting	Surface Mount	MOSFET (N-Channel)	Independent	8-MSOP-EP

Catalog

High Voltage Synchronous N-Channel MOSFET Driver

Description

The LTC4444-5 is a high frequency high voltage gate driver that drives two N-channel MOSFETs in a synchronous DC/DC converter with supply voltages up to 100V. This powerful driver reduces switching losses in MOSFETs with high gate capacitance.The LTC4444-5 is configured for two supply-independent inputs. The high side input logic signal is internally level-shifted to the bootstrapped supply, which may function at up to 114V above ground.The LTC4444-5 contains undervoltage lockout circuits that disable the external MOSFETs when activated. Adaptive shoot-through protection prevents both MOSFETs from conducting simultaneously.ApplicationsDistributed Power ArchitecturesAutomotive Power SuppliesHigh Density Power ModulesTelecommunication Systems