LTC3728LEUH-1#TRPBF

Frequency - Switching:	260kHz ~ 550kHz
Base Part Number:	LTC3728
Supplier Device Package:	32-QFN (5x5)
Package / Case:	32-WFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable, Power Good, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	99.4%
Series:	--
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 28 V
Output Phases:	2
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - DC DC Switching Controllers

The LTC3728LEUH-1#TRPBF is a fully-integrated synchronous step-down switching regulator controller with 1.5 A internal switch. It is designed to operate from an input voltage of 4 V to 28 V, making it suitable for a wide range of applications including computers and servers, telecommunications and networking, automotive, and many more. The LTC3728LEUH-1#TRPBF features an ultralow quiescent current as well as full frequency synchronization, which can be used to provide excellent power conversion efficiency and improve circuit noise reduction. The LTC3728LEUH-1#TRPBF also features a wide output voltage tracking range, programmable soft-start, adjustable current limit, and a wide operating temperature range. This makes it easy to configure and use in a wide variety of applications.The LTC3728LEUH-1#TRPBF\'s application field spans a range of emerging and existing applications, including power systems, computers, telecommunications and networking equipment, automotive, industrial, and many more. In each of these areas, the LTC3728LEUH-1#TRPBF offers improved performance over competitive products, as well as additional features than competitive products. One example is the LTC3728LEUH-1#TRPBF’s wide output voltage tracking range that ensures proper operation over a wide range of input voltages. This range extends from 4 V to 28 V, making it compatible with input voltages from various sources.The LTC3728LEUH-1#TRPBF works by utilizing a synchronous buck regulator targeted for a wide range of applications. This synchronous buck regulator is designed to produce an output voltage that is smaller than the input voltage when the input voltage is applied. By using pulse-width modulation (PWM) control, the controller adjusts the output voltage efficiently. When enabled, the LTC3728LEUH-1#TRPBF regulates an output voltage at the reference voltage of 0.8V or 1.0V. The LTC3728LEUH-1#TRPBF utilizes an internal 1.5A switch MOSFET to reduce power consumption and reduce heat. This allows the controller to work efficiently and provide excellent power conversion efficiency. Additionally, the LTC3728LEUH-1#TRPBF includes several additional features such as a soft start, programmable current limit and adjustable output voltage tracking range. This allows the user to configure the LTC3728LEUH-1#TRPBF optimally for their specific application. The LTC3728LEUH-1#TRPBF also features excellent thermal performance, and does not require an external heat sink. This ensures that the LTC3728LEUH-1#TRPBF can be used in a wide range of applications without the need of a costly heat sink solution. This further optimizes cost savings for the user. Additionally, the LTC3728LEUH-1#TRPBF has a wide operating temperature range from -40°C to +105°C. This wide temperature range makes it ideal for use in harsh environments and extreme conditions.The LTC3728LEUH-1#TRPBF’s high-performance and comprehensive feature set makes it a great option for engineers and system architects looking to optimize their power systems. It offers excellent performance, high efficiency, robustness and low power consumption, making it an excellent option for a wide range of applications. Furthermore, being completely integrated into the controller, the LTC3728LEUH-1#TRPBF reduces the number of external components needed and ensures a clean, low-cost design that is easy to integrate. With these benefits, the LTC3728LEUH-1#TRPBF is positioned to be one of the most popular and versatile synchronous step-down switching regulator controllers available.

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