LTC4440EMS8E-5#PBF

Current - Peak Output (Source, Sink):	2.4A, 2.4A
Base Part Number:	LTC4440
Supplier Device Package:	8-MSOP-EP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	10ns, 7ns
High Side Voltage - Max (Bootstrap):	80V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	1.3V, 1.6V
Voltage - Supply:	4 V ~ 15 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	High-Side
Part Status:	Active
Packaging:	Tube

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LTC4440EMS8E-5#PBF Application Field and Working Principle

Power Management Integrated Circuits (PMICs) are one of the most integral components of mobile and embedded systems, as they are responsible for controlling and managing power to ensure it is delivered within predefined specifications. PMICs can be divided into different categories based on their primary function, including simple power supplies and complex power-management & control circuit designs. Among the various categories, Gate Drivers are the fundamental components of PMICs and play an important role in the transition of low logic-level signals to high power pulses.The LTC4440EMS8E-5#PBF is an advanced high-precision gate driver integrated circuit (IC) fabricated using advanced Bipolar and CMOS technologies. This device is designed for use in fast switching and level shifting applications, and is capable of driving both NMOS and PMOS FETs from a wide range of input voltages. The IC features a precision voltage reference, high switching speed, and low on-resistance to minimize power loss. In addition, it has built-in protection features to ensure durability. The LTC4440EMS8E-5#PBF is designed to be extremely versatile and is ideal for use in a variety of applications, including DC-DC converters, switching regulators, power supplies, AC-DC converters and DC-DC controllers. This product is particularly well suited for high-speed, low stand-by current switching applications. The device is also well suited for interfacing and level-shifting circuits, and can provide up to 10A of output current. The LTC4440EMS8E-5#PBF features a unique architecture that allows the device to be used with a wide range of inputs, from 3V to 24V. This device achieves high efficiency with a wide input voltage range, using only two MOSFETs and a small amount of capacitance on the input and output. It provides a constant gate charge that is independent of the input voltage, allowing for rapid switching and low power dissipation. The product also features built-in protection circuits that provide various levels of protection against over-current, over-voltage, and short circuit. The working principle of the LTC4440EMS8E-5#PBF is based on the concept of cascode driving. The cascode amplifier consisting of two transistors, a NMOSFET and a PMOSFET, is responsible for driving both logic high and logic low to the load. The logic high level is generated by turning on the NMOSFET and applying the input voltage to the gate of the PMOSFET. The logic low level is generated by turning on the PMOSFET and continually discharging the gate of the NMOSFET. The voltage levels of the two transistors need to be precisely controlled to ensure the desired output levels. The LTC4440EMS8E-5#PBF also features an exceptionally wide operating temperature range of -40°C to +125°C, making it an outstanding choice for both industrial and automotive applications. It is available in an SOIC-8 surface mount package with a low profile of 0.45 mm, making it very easy to integrate into tight-spaced applications. In summary, the LTC4440EMS8E-5#PBF is an optimal solution for applications requiring fast switching and level shifting, especially in high-power, low-stand by current switching applications. This product is capable of delivering up to 10A of output current, and features a wide operating voltage range, low on-resistance, built-in protection features, and an exceptionally wide operating temperature range. Suitable for industrial, automotive and other general applications, the LTC4440EMS8E-5#PBF is an excellent choice for providing advanced gate driving capabilities and superior power management in a wide variety of applications.

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