LTC3874IUF-1#PBF

Frequency - Switching:	250kHz ~ 1MHz
Base Part Number:	LTC3874
Supplier Device Package:	24-QFN (4x4)
Package / Case:	24-WFQFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Current Limit, Enable, Frequency Control, Phase Control
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Series:	PolyPhase®
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 38 V
Output Phases:	2
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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PMIC - Voltage Regulators - DC DC Switching Controllers:The LTC3874IU-1#PBF is a high performance synchronous DC/DC controller integrated circuit, offering superior power conversion capability in a small and cost-effective package. This chip offers a wide range of output configurations to meet the requirements of modern power management systems. It is mainly used for voltage regulation applications, such as providing a stable supply for powered devices.The LTC3874IU-1#PBF operates as a buck or boost-type regulator at its input, depending on the operating state of the switches. During normal operation, the chip enables a specific frequency of periodic switching of its internal power switches, called the Pulse Width Modulation (PWM) cycle. This enables the voltage regulation of the device’s output in an accurate and efficient manner.The LTC3874IU-1#PBF also offers a low/zero dropout feature. This means that the chip can regulate a wide range of input voltages and its maximum dropout voltage is less than 0.2V. This is ideal for applications that require higher power output than available voltage sources can supply.In addition, the chip is optimized for synchronous rectification, allowing it to achieve high efficiency while providing superior thermal performance compared to standard rectification techniques. The chip also features an adjustable peak current limit, allowing it to regulate the output current to the desired level.The LTC3874IU-1#PBF’s highly efficient and accurate voltage regulation make it ideal for applications in various industries, including automotive, industrial, communications, and consumer electronics. It is also suited for a wide range of portable electronic, as well as medical and industrial power systems.In addition, the LTC3874IU-1#PBF is also suitable for high-end military and aerospace applications, as it offers superior power conversion efficiency and is certified for use in hazardous environments.Overall, the LTC3874IU-1#PBF is a highly reliable and efficient voltage regulator, featuring superior PWM and synchronous rectification capabilities. It is suitable for a wide range of applications, offering excellent power conversion efficiency and superior thermal performance. It is also certified for use in hazardous environments, making it a highly suitable choice for industrial, automotive, military and aerospace systems.

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