LTC4280CUFD#PBF

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Hot Swap Controller, Monitor
Number of Channels:	1
Internal Switch(s):	No
Applications:	General Purpose
Features:	I²C
Programmable Features:	Auto Retry, Current Limit, Fault Timeout, Latched Fault, OVP, UVLO
Voltage - Supply:	2.9 V ~ 15 V
Current - Output (Max):	--
Operating Temperature:	0°C ~ 70°C
Current - Supply:	3mA
Mounting Type:	Surface Mount
Package / Case:	24-WFQFN Exposed Pad
Supplier Device Package:	24-QFN (5x4)
Feature Pins:	ADIN, /ALERT, /EN, FB, FILTER, GPIO, INTVCC, ON, OV, SOURCE, TIMER, UV
Base Part Number:	LTC4280

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

LTC4280CUFD#PBF is a Hot Swap Controller by Linear Technology Company. This controller is typically used to protect downstream systems from over-current and voltage faults in high-power, hot-swap and redundant systems. This article will explain the application field and working principles of the LTC4280CUFD#PBF Hot Swap Controller in detail.

Application Field

The LTC4280CUFD#PBF Hot Swap Controller is a sophisticated and versatile protection device that is widely used in both hot-swappable power systems and redundant power supplies, where precise voltage and current protection is required. It can be used to protect the system from inrush currents, over-current, over-voltage, under-voltage, and from reverse-current faults, among others. The LTC4280CUFD#PBF Hot Swap Controller is a single-chip device that is extremely simple to use, and can be incorporated easily into hot-swap and redundant power supplies. The controller can be used in systems that supply numerous output voltages, making it an ideal choice for applications that require wide input ranges and numerous outputs.

Working Principle

The LTC4280CUFD#PBF Hot Swap Controller consists of two main components: a Logic FET power switch and a Control IC. The Logic FET switch is used to temporarily turn off or on the main power supply, and the Control IC accurately monitors the current and voltage of the system. The Hot Swap Controller will establish a voltage threshold, and when the voltage and current are above this threshold, the logic FET switch will remain closed, allowing the system to operate as normal. When the current or voltage falls below the set threshold, the logic FET switch will open, temporarily cutting off the power supply. This protection feature ensures that even if an over-voltage or current fault occurs, the downstream devices and components will be protected from any damage. The controller also prevents inrush currents, and can be programmed to restart the system automatically when the current and voltage reach the desired setpoint.

Conclusion

The LTC4280CUFD#PBF Hot Swap Controller is a versatile and sophisticated protection device that is used in various power systems, such as hot-swappable and redundant power systems. The controller is a single-chip device that is extremely easy to use, and is capable of precisely monitoring and controlling the current and voltage of the system. By using this controller, downstream devices and components can be protected from over-voltage, current, and inrush faults, ensuring that the system operates safely and efficiently.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description