LTC3728IUH#PBF

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):	3.5 V ~ 30 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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LTC3728IUH#PBF Application Field and Working Principle

LTC3728IUH#PBF is an integrated circuit made by Linear Technology Corporation that is categorized as a Power Management Integrated Circuit (PMIC). Within the PMIC, it is further situated as a DC DC Switching Controller and Voltage Regulator. This device serves many purposes in modern electronics, thereby making it a widely used integrated circuit and providing a great deal of flexibility and versatility to designers and developers.The LTC3728IUH#PBF is an ideal dynamic voltage scaling device that provides fast response times in order to maintain tight regulation of both transient and continuous load conditions. It operates as a non-synchronous buck controller, but with the added capability of being used in quasi-synchronous operation if desired. This makes it one of the few PMICs that are capable of providing both types of performance. This flexibility makes the LTC3728IUH#PBF an attractive choice for designers.In terms of its working principle, the LTC3728IUH#PBF utilizes Pulse Width Modulation (PWM) to regulate the output voltage of a power system. The voltage is controlled by an external resistor divider between the output voltage and ground, allowing the voltage regulator to output a steady voltage regardless of varying input power. In addition to PWM, the Integrated Circuit also has an internal reference voltage of 1.235V. This internal reference is used to make sure the output voltage is regulated, as the feedback voltage ratio of the input to the output on the LTC3728IUH#PBF is always 1:1.The LTC3728IUH#PBF comes in a 16-pin Quad Flat No-Lead (QFN) package, which makes it ideal for applications where space is a premium. Its wide 8V to 45V input voltage range also makes it an ideal choice for high power applications. The current limit of the device is 23A, which is more than adequate for most applications.In terms of applications, the LTC3728IUH#PBF is suitable for a wide range of applications, such as computing equipment, telecommunications, audio/visual applications, medical devices, battery chargers, LED lighting and power systems. The device itself is capable of delivering up to 33W output power, which makes it a great choice for any application that needs a reliable and robust power solution. In addition to its wide range of potential applications, the LTC3728IUH#PBF offers a choice of cost-efficient power solutions and is suitable for a wide range of applications. The LTC3728IUH#PBF is capable of providing a high level of power efficiency compared to traditional voltage regulators. This can greatly reduce power loss in high-power situations, resulting in improved performance and greater overall efficiency. This device is also capable of operating in stages, enabling it to save power and reduce stress on the system during periods of such as low loads. Finally, the LTC3728IUH#PBF is equipped with protection from short-circuits, over-heating and over-voltage, making it one of the most reliable and robust power management solutions on the market.In conclusion, the LTC3728IUH#PBF is an attractive and versatile option for power management applications. Its wide input voltage range and impressive level of power efficiency make it a great choice for many applications, while its cost-effectiveness and reliability make it a sure-fire choice for any power system.

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