LT1376IS8-5#PBF

Voltage - Output (Min/Fixed):	5V
Base Part Number:	LT1376
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	500kHz
Current - Output:	1.5A (Switch)
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	25V
Voltage - Input (Min):	5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck, SEPIC
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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LT1376IS8-5#PBF is a switching regulator integrated a low dropout regulator, a high current MOSFET and optically isolated feedback, which can produce an output voltage of up to 4.5V with up to 4A of current in synchronous buck or boost mode. LT1376IS8-5#PBF is used in power monitoring and isolation applications, cooling fans, industrial and medical equipment, adjustable LED current sources, and in other applications requiring a regulated output voltage of up to 4.5V.LT1376IS8-5#PBF is designed to be used with a wide variety of DC to DC converters. It is also designed for use in applications where the supply voltage is higher than the regulated output voltage, as well as for applications in which the regulated output voltage is higher than the supply voltage. The LT1376IS8-5#PBF can be used in 0.8V to 4.5V output applications, with an input voltage of up to 32V.The LT1376IS8-5#PBF features an integrated low-dropout regulator (LDO), which helps reduce the input-output headroom voltage and thus reduces power dissipation. The LDO allows the device to remain in regulation even when the input voltage is lower than the output voltage. The integrated MOSFET also helps to limit input-output differential voltages and reduce power consumption.The LT1376IS8-5#PBF utilizes an optically isolated feedback path to ensure accuracy and provides a fixed gain of 1/3V in order to maintain tight regulation of the output voltage. The integrated MOSFET also helps to limit input-output differential voltages and reduce power consumption. Other features include an overvoltage protection circuit, input voltage range of 2V to 32V, switch frequency of up to 500kHz, and integrated over-temperature protection.The LT1376IS8-5#PBF has a wide range of applications in voltage supply circuits, as well as in power monitoring and isolation applications. Additionally, it is also suitable for use in cooling fans, industrial and medical equipment, adjustable LED current sources, and other applications which require a regulated output voltage of up to 4.5V. The LT1376IS8-5#PBF is designed to be highly efficient and is suitable for use in high-accuracy, ultra-low-power applications. The device is also designed to be simple to use, and offers a wide range of features, such as the optically isolated feedback path, integrated MOSFET, overvoltage protection circuit, and over-temperature protection.The working principle of LT1376IS8-5#PBF is based on a synchronous buck topology, in which the output voltage is regulated by operating the switch, or MOSFET, at the same frequency as the buck conversion. The integrated isolator in the feedback path helps the buck regulator to maintain tight regulation of the output voltage, and the LDO allows the device to remain in regulation even when the input voltage is lower than the output voltage. Additionally, the integrated overvoltage protection circuit prevents overcurrent faults, while the integrated over-temperature protection circuit helps protect the device from damage due to extreme temperatures.Overall, the LT1376IS8-5#PBF is an ideal voltage regulator for many applications, due to its wide operating voltage range, high efficiency, and integrated circuit protection. Its optically isolated feedback path ensures tight regulation of the output voltage, and the integrated MOSFET and LDO help to reduce power dissipation and ensure accuracy. In addition, the integrated overvoltage and over-temperature protection circuits help to protect the device from damage.

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