LTC4440IS6#TRPBF

Current - Peak Output (Source, Sink):	2.4A, 2.4A
Base Part Number:	LTC4440
Supplier Device Package:	SOT-23-6
Package / Case:	SOT-23-6 Thin, TSOT-23-6
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:	8 V ~ 15 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	High-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction of LTC4440IS6#TRPBF Gate Drivers

The LTC4440IS6#TRPBF is a 12V all-in-one power management integrated circuit (PMIC) with high-side and low-side synchronous MOSFET gate driver. It has been developed to meet the needs of the power management industry in providing reliable and cost-effective solutions for all-in-one power management solutions.This integrated circuit was designed with a number of innovative features for improved performance and reliability. The LTC4440IS6#TRPBF has two output channels with different peak currents and is designed with a logic-level enable that allows each channel to be independently enabled and disabled. Additionally, the IC was designed with overvoltage protection and a temperaturefoldback feature for improved thermal protection.

Application Field

The LTC4440IS6#TRPBF PMIC is best suited for switching applications in various power management applications, such as portable appliances, server systems, industrial automation, and automotive applications. It can also be used in portable power supplies, AC and DC motors, and a variety of light-emitting diode (LED) illumination systems. Additionally, it is well-suited for applications where cost is a major factor but reliable operation is still desired.The integrated circuit can be used in applications requiring power amplifiers, audio amplifiers, DC-DC converters, or smart grid applications or any other application requiring a reliable and cost-effective solution.

Working Principle

The LTC4440IS6#TRPBF can be used with both high-side and low-side N-channel MOSFET gate drivers. The gate drivers consist of a driver with two transistors, one serving as a high-side driver and the other as a low-side driver. The two transistors are configured in a complimentary push-pull configuration, allowing for the two transistors to operate alternately, which increases the driving efficiency of the IC.Input signals to the IC can be used to switch the two transistors on and off, allowing for the control of power delivered to the load. The IC also allows for an adjustable high-side gate voltage and adjustable low-side gate voltage, making it suitable for a variety of load types.The device also has diverse low-side current sensing and low-side voltage sensing features that can be used to monitor the power-on condition, provide feedback on the load conditions and allow for accurate control of the output power.Additionally, it has a temperature-foldback feature that reduces the peak current limit when the IC temperature exceeds a predetermined limit, ensuring reliable operation over a prolonged period of time.

Conclusion

The LTC4440IS6#TRPBF PMIC is an all-in-one power management solution that is suitable for a range of power management applications. It is cost-effective and reliable, and has features such as adjustable high-side and low-side voltages, temperature-foldback protection, and low-side current/voltage sensing that make it a viable choice for power management.

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