LTC4210-3CS6#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Hot Swap Controller
Number of Channels:	1
Internal Switch(s):	No
Applications:	General Purpose
Features:	Auto Retry
Programmable Features:	Current Limit, Fault Timeout, OVP, Slew Rate, UVLO
Voltage - Supply:	2.7 V ~ 7 V
Current - Output (Max):	--
Operating Temperature:	0°C ~ 70°C
Current - Supply:	750µA
Mounting Type:	Surface Mount
Package / Case:	SOT-23-6 Thin, TSOT-23-6
Supplier Device Package:	TSOT-23-6
Feature Pins:	ON, TIMER
Base Part Number:	LTC4210

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  The LTC4210-3CS6#TRPBF is a purpose-built hot-swap controller from Linear Technology Corporation. It provides protection against inrush current, over current, voltage spikes, and other hazardous conditions that can occur when components are added and/or removed from the power management system. Apart from the hot-swap feature, the LTC4210-3CS6#TRPBF can also be used to monitor and limit the total system power and for battery hot-swap functions.  The hot-swap controller features a high-side MOSFET, an output voltage range of 0.1 V to 5.5 V, and a slew-rate control of up to 500 µ/V/ms. Additionally, the LTC4210-3CS6#TRPBF offers a slew-rate resistor and current sense resistor options to fine-tune the system’s performance. The controller also includes programmable current limits and surge-output protection which help to ensure the safe addition and removal of components from the system.   The LTC4210-3CS6#TRPBF application field is mostly two-fold and is ideal for high-power bus management applications such as telecom, datacom and server blades. Its hot-swap feature is most popularly used to prevent inrush current surges, ensuring that power is supplied to the activated system without the risk of damage to the components or systems. Furthermore, the LTC4210-3CS6#TRPBF can also be used to monitor system power dissipation by adjusting the output current limit as required.  In terms of its working principle, the LTC4210-3CS6#TRPBF outputs a preprogrammed MOSFET control voltage that is determined by the current sense resistor and associated voltages from the sense circuitry. When a load is applied to the system, the load current goes up and the voltage across the current sense resistor decreases. This decrease in voltage is detected by the current sense circuit, which results in a higher output voltage from the preprogrammed MOSFET control. The MOSFET will then activate and the load will be allowed to draw current from the system, which ultimately results in the load being powered.  Apart from providing protection to the system when components are added or removed, the LTC4210-3CS6#TRPBF can also be used to adjust the voltage of the system. The controller provides a programmable slew-rate resistor and current-sense resistor, which allows users to fine-tune the output voltage of the system during steady-state operation. On average, the LTC4210-3CS6#TRPBF is capable of delivering a voltage accuracy of 1.2% and an output current limit accuracy of 1.5%.  In addition, the controller also includes thermal protection to ensure that the system does not overheat when the hot-swap feature is activated. This thermal protection is enabled by the control IC, which monitors the temperature of the internal components of the system and shuts off power when it reaches a predetermined temperature. This helps to ensure that the system is not only safe but also resilient enough to withstand the wear and tear caused by frequent use of the hot-swap feature.   In conclusion, the LTC4210-3CS6#TRPBF is a purpose-built hot-swap controller from Linear Technology Corporation suitable for high-power applications such as telecom, datacom, and server blades. It provides a high-side MOSFET output rate of up to 500 µ/V/ms, slew rate control of up to 500 µ/V/ms, programmable current limits, surge output protection, thermal protection, and a programmable slew-rate resistor and current-sense resistor to fine-tune the system’s performance. The LTC4210-3CS6#TRPBF is the perfect choice for hot-swap applications for those looking for a robust and reliable solution.

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