LTC4360CS

series introduction

# Introduction to the LTC4360CS Product Series

## 1. Overview
The LTC4360CS is a remarkable product series developed by Linear Technology (now part of Analog Devices). This series is designed to address specific challenges in power management and protection within electronic circuits. It offers a comprehensive set of features that make it an ideal choice for a wide range of applications, from consumer electronics to industrial and automotive systems.

## 2. Key Features

### 2.1 Hot - Swap Controller
One of the primary functions of the LTC4360CS is its role as a hot - swap controller. Hot - swapping refers to the ability to insert or remove a module from a live system without causing damage to the system or the module itself. The LTC4360CS allows for safe and controlled insertion and removal of circuit boards or components in a powered - up system. It limits the inrush current during insertion, preventing voltage dips and potential damage to other components on the board. This feature is crucial in applications where system uptime is critical, such as data centers and telecommunications equipment.

### 2.2 Adjustable Current Limit
The LTC4360CS provides an adjustable current limit feature. Designers can set the maximum current that can flow through the load using an external resistor. This flexibility allows for customization based on the specific requirements of the application. For example, in a battery - powered device, the current limit can be set to protect the battery from over - discharging or to limit the power consumption of a particular component.

### 2.3 Overvoltage and Undervoltage Protection
To safeguard the connected load and the power supply, the LTC4360CS incorporates overvoltage and undervoltage protection mechanisms. In the event of an overvoltage condition, the device can quickly disconnect the load from the power source, preventing damage to sensitive components. Similarly, during an undervoltage situation, it can take appropriate action to ensure the stability of the system. This protection is essential in environments where the power supply may be subject to fluctuations, such as in automotive and industrial settings.

### 2.4 Fault Reporting
The LTC4360CS is equipped with fault reporting capabilities. It can provide an indication of various fault conditions, such as overcurrent, overvoltage, and undervoltage, through dedicated output pins. This allows system designers to easily monitor the status of the power management system and take appropriate corrective actions. For example, in a complex industrial control system, the fault reporting feature can be used to trigger an alarm or initiate a shutdown sequence to prevent further damage.

### 2.5 Low Quiescent Current
In applications where power efficiency is a concern, the LTC4360CS offers a low quiescent current. Quiescent current is the current consumed by the device when it is in a standby or idle state. The low quiescent current of the LTC4360CS helps to minimize power consumption, making it suitable for battery - powered devices and other energy - sensitive applications.

## 3. Applications

### 3.1 Data Centers
In data centers, the LTC4360CS can be used to manage the power supply to individual server blades or network switches. Its hot - swap capability allows for easy maintenance and replacement of components without shutting down the entire system. The adjustable current limit and over/undervoltage protection features ensure the reliable operation of the equipment, protecting against power - related failures.

### 3.2 Telecommunications Equipment
Telecommunications systems require high availability and reliability. The LTC4360CS can be integrated into telecom equipment such as base stations and routers to provide power management and protection. The fault reporting feature enables quick identification and resolution of power - related issues, minimizing downtime.

### 3.3 Automotive Electronics
Autom

Images for reference

SC70-8_05-08-1639 rev 0

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Datasheets

• LTC4360-1,-2
• PDF 2

Partlist