LTC4228IUFD-2#TRPBF

Programmable Features:	Current Limit, Fault Timeout, Slew Rate
Base Part Number:	LTC4228
Feature Pins:	CPO1, CPO2, /EN1, /EN2, /FAULT1, /FAULT2, IN1, IN2, INTVCC, ON1, ON2, OUT1, OUT2, /PWERGD1, /PWRGD2, TMR1, TMR2
Supplier Device Package:	28-QFN (4x5)
Package / Case:	28-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Current - Supply:	2.5mA
Operating Temperature:	-40°C ~ 85°C
Current - Output (Max):	--
Voltage - Supply:	2.9 V ~ 18 V
Series:	--
Features:	Auto Retry, UVLO
Applications:	General Purpose
Internal Switch(s):	No
Number of Channels:	2
Type:	Hot Swap Controller, OR Controller
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PMIC - Hot Swap ControllersThe LTC4228IUFD-2#TRPBF has become a popular device for hot swapping and protection of power sources. It is used in many different types of applications, ranging from electrical protection in automotive, medical and industrial applications, to protection of power circuitry in communications, aerospace and other fields. In this article we will discuss the working principle and application field of the LTC4228IUFD-2#TRPBF.The LTC4228IUFD-2#TRPBF is a hot swap controller designed to replace traditional relay or fuse protection devices. It is designed to protect circuit components from high in-rush currents, voltage drops, and over-current/over-voltage conditions. It also provides fault protection for reverse current, over-temperature, and undervoltage conditions. In order to achieve all of these functions, the LTC4228IUFD-2#TRPBF includes a number of protection features, including an adjustable output current limit, adjustable over-temperature and under-voltage thresholds, overcurrent and reverse current detection, output disconnect, and a shutdown signal.In order to operate, the LTC4228IUFD-2#TRPBF requires power from a wide range of sources, including 5V to 28V, 10V to 15V, and a range of other voltages. When the device is powered up, it implements an adjustable output current limit, overcurrent protection, reverse current protection, and over-temperature/under-voltage protection.In operation, the LTC4228IUFD-2#TRPBF monitors the voltage, current, and temperature of the circuit to ensure that the circuit is properly protected. If the voltage, current, or temperature exceeds the set threshold values, the LTC4228IUFD-2#TRPBF will immediately disconnect the output and send a signal to the controlling circuit. This allows the controlling circuit to take appropriate action to prevent further damage.The LTC4228IUFD-2#TRPBF can also be used as a power supply supervisor to detect when the input voltage, current, or temperature varies beyond the acceptable operating range. In this application, the device will disconnect the output and send a signal to the controlling circuit. Again, this allows the controlling circuit to take the necessary action to prevent further damage.The LTC4228IUFD-2#TRPBF is an advanced device that provides a number of advanced protection features for power circuitry. The device is ideal for applications where protection from high in-rush currents, voltage drops, over-current/over-voltageconditions, reverse current, and over-temperature/undervoltage conditions are required. It can also be used as a power supply supervisor to detect when the input voltage, current, or temperature varies beyond the acceptable operating range. This makes the LTC4228IUFD-2#TRPBF a versatile device that is suitable for use in a wide range of applications.

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