Linear Technology LTC4444IMS8E-5E#PBF High-Speed Synchronous N-Channel MOSFET Driver

The LTC4444IMS8E-5E#PBF is a high-performance, high-speed synchronous N-channel MOSFET driver designed by Linear Technology to provide efficient power management in a wide range of applications. This driver is specifically engineered to drive both the high-side and low-side N-channel MOSFETs in a synchronous rectifier, ensuring optimal performance in synchronous buck or boost converters, and full-bridge topologies.

Encased in a compact MSOP-8 package, the LTC4444IMS8E-5E#PBF boasts robust features that make it a versatile choice for power system design. It operates over a wide voltage range, with an input supply voltage between 4.5V and 13.5V, making it suitable for a variety of power systems. The driver is capable of delivering high peak output currents up to 1.2A for the top gate and 2.4A for the bottom gate, ensuring quick and efficient charging and discharging of the gate capacitances of large MOSFETs.

One of the key advantages of the LTC4444IMS8E-5E#PBF is its adaptive shoot-through protection, which prevents both the high-side and low-side MOSFETs from conducting simultaneously, thus avoiding potentially damaging cross-conduction. Additionally, it features a powerful 1Ω pull-down on the top gate driver, which enhances the turn-off speed of the top MOSFET, further improving the performance and reliability of your power system.

The driver is designed with an under-voltage lockout (UVLO) for both the top and bottom drivers, ensuring that the MOSFETs are only operational when the input voltage is within the acceptable range. This feature helps protect the device and the power system from the dangers of low input voltage conditions.

For applications that demand high-speed and efficient power switching, the LTC4444IMS8E-5E#PBF from Linear Technology is an excellent choice. Its robust design and advanced features ensure it can meet the stringent requirements of a variety of demanding applications, from computer servers and telecom/datacom systems to industrial and automotive platforms.

Key Features:

• High-Speed Synchronous N-Channel MOSFET Driving Capability
• Wide Operating Voltage Range: 4.5V to 13.5V
• High Peak Output Currents: 1.2A Top and 2.4A Bottom
• Adaptive Shoot-Through Protection
• 1Ω Pull-Down on Top Gate Driver
• Under-Voltage Lockout for Both Top and Bottom Drivers
• Compact MSOP-8 Package