LTC4359CDCB#TRMPBF Integrated Circuits (ICs)

Current - Output (Max):	--
Base Part Number:	LTC4359
Supplier Device Package:	6-DFN (2x3)
Package / Case:	6-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Applications:	Automotive, Redundant Power Supplies, Telecom Infrastructure
Voltage - Supply:	4 V ~ 80 V
Current - Supply:	150µA
Series:	--
Delay Time - OFF:	300ns
Delay Time - ON:	200µs
Internal Switch(s):	No
Ratio - Input:Output:	N:1
FET Type:	N-Channel
Type:	N+1 ORing Controller
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LTC4359CDCB#TRMPBF is an integrated Power Management Integrated Circuit (PMIC) designed by Linear Technology Corporation. It provides robust, efficient, high-performance, and low-power power management solutions for a variety of applications. It is well suited for automotive, industrial, and consumer applications. It operates over a wide range of input and output voltages, allowing for flexible system operation in diverse conditions. The device integrates several features, such as high-side and low-side mosfet drivers, a peak current limiter, an ideal diode controller, an OR controller, a current-sense amplifier, and a safety timer. In this article, we will discuss the application field and working principle of the LTC4359CDCB#TRMPBF in more detail.

Application field

The LTC4359CDCB#TRMPBF is suitable for use in a range of automotive, industrial, and consumer applications, especially in demanding applications where high efficiency, fast response, and robustness are essential. Examples include on-board charging systems, power tools, industrial automation, and backup power systems. The device can also be used to drive high-current load switches, with its built-in high-side and low-side mosfet drivers. Furthermore, the device integrates an ideal diode controller, an OR controller, and a peak current limiter, enabling enhanced system performance and reliability.

Working principle

The LTC4359CDCB#TRMPBF is designed to optimise system efficiency and performance. Its key features include high-side and low-side mosfet drivers, a peak current limiter, an ideal diode controller, an OR controller, a current-sense amplifier, and a safety timer.The High-side and low-side MOSFET drivers are used to drive high-current loads. The peak current limiter limits the inrush current during system turn on, ensuring that no overloading of downstream components occurs. The OR controller is used to reduce the voltage drop across an OR (diode) connection in a circuit, while the current-sense amplifier is used to measure and monitor the input current. Finally, the safety timer is used to protect the device from over-current and over-temperature events.Overall, the LTC4359CDCB#TRMPBF provides a versatile and efficient power management solution for a range of applications. Its integrated features enable enhanced system performance, reliability and safety.ConclusionThe LTC4359CDCB#TRMPBF is an integrated PMIC designed by Linear Technology Corporation. It is suitable for a range of automotive, industrial and consumer applications and offers robust, efficient, high-performance and low-power solutions. The device integrates several features, including high-side and low-side mosfet drivers, a peak current limiter, an ideal diode controller, an OR controller, a current-sense amplifier, and a safety timer. These features enable enhanced system performance and reliability, making the device an excellent choice for demanding applications.

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