LTC4370CDE#TRPBF

Delay Time - OFF:	400ns
Base Part Number:	LTC4370
Supplier Device Package:	16-DFN (4x3)
Package / Case:	16-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Applications:	Redundant Power Supplies, Telecom Infrastructure
Voltage - Supply:	2.9 V ~ 18 V
Current - Supply:	2.1mA
Series:	--
Delay Time - ON:	400ns
Internal Switch(s):	No
Ratio - Input:Output:	2:1
FET Type:	N-Channel
Type:	Current Sharing Controller
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - OR Controllers, Ideal DiodesWhen it comes to integrated circuits, the LTC4370CDE#TRPBF is a combination of over-temperature protection, automatic shutdown and power-on reset. It belongs to the family of OR controllers and ideal diodes. With advanced features such as its OR control, ultra low current consumption, hysteretic operation, over-temperature protection and robust output, it is a perfect choice for many applications. The OR controller part basically contains two transistors, a P-channel MOSFET and N-channel MOSFET, connected in series with a single variable resistor. The P-channel MOSFET provides the main power supply, while the N-channel MOSFET is the OR control transistor. The resistor determines the threshold at which the OR control will kick in and switch to the other transistor. The device also has a built-in temperature sensor to monitor and protect the power supply from over-temperature events.The ideal diode is a combination of two transistors connected in parallel with a diode between. In this case, the diode prevents the current from flowing through the two transistors in the wrong direction. This combination allows the device to maintain a constant voltage output under heavy loads, while still providing continuous protection against over-voltage and over-temperature events. The LTC4370CDE#TRPBF has a wide variety of applications due to its low power consumption, high levels of over-temperature protection, and fast response to input voltage changes. It is perfect for SMPSs (switch mode power supplies), linear switching regulators, low voltage/current device applications, as well as a variety of consumer electronics and automotive applications. In terms of its working principle, the device is designed to sense the input voltage and adjust its output according to the set threshold values. When the input voltage falls below the threshold value, the device will turn off or reduce the output voltage until it reaches the desired operating point. When the input voltage increases past the threshold, the device will turn on or increase the output voltage. The device also contains an internal circuit that monitors the temperature of the power supply and shuts down if it exceeds a certain level. In summary, the LTC4370CDE#TRPBF from Linear Technology offers a reliable, low power solution for a variety of applications. It combines the features of an OR controller, an ideal diode, and an over-temperature protection circuit into a single package, making it easy to implement and deploy. With its wide array of features, the device is perfect for a variety of SMPS, low voltage/current device and automotive applications.

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