LTC3576EUFE-1#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Applications:	Handheld/Mobile Devices
Current - Supply:	--
Voltage - Supply:	4.35 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	38-WFQFN Exposed Pad
Supplier Device Package:	38-QFN (4x6)
Base Part Number:	LTC3576

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PMIC - Power Management - Specialized

The LTC3576EUFE-1#PBF is a special power management integrated circuit (PMIC) with unique features for use in efficient and robust systems. The LTC3576EUFE-1#PBF is a switching regulator that takes in an input voltage of 4.5V to 28V, and provides output voltages ranging from 4.5V to 24V. The LTC3576EUFE-1#PBF is designed with a goal of reducing power loss, and offering improved reliability through its robust operational capabilities. The LTC3576EUFE-1#PBF is a low-power, field-programmable integrated circuit that provides an efficient, autonomous power supply to support any specific application.

Working Principle

The LTC3576EUFE-1#PBF is a feedback-controlled switchmode DC-DC boost regulator that incorporates an internal input power MOSFET and synchronous rectification to achieve high efficiency. The regulator operates with a fixed frequency and automatically adjusts the pulse width modulation (PWM) duty cycle to achieve the programmed output voltage. The LTC3576EUFE-1#PBF supports the use of an external Schottky diode to achieve conversion efficiency greater than 90%. The LTC3576EUFE-1#PBF also features 4mA reversed current limit, short-time hysterisis, soft-start operation, and output over-voltage protection.

Features

In addition to the features mentioned above, the LTC3576EUFE-1#PBF also has some noteworthy features that are worth mentioning. Firstly, the LTC3576EUFE-1#PBF is Hall-effect switch, AGC driven to reduce the necessary energy and amplitude of the incoming signals of 4.5V to 28V inputs. Secondly, the LTC3576EUFE-1#PBF has an adjustable soft start (SS) rate. Thirdly, the LTC3576EUFE-1#PBF features a special RegEn mode that eliminates the need for an additional external bootstrap capacitor, making the LTC3576EUFE-1#PBF a very cost-effective solution. Finally, the LTC3576EUFE-1#PBF has an internal synchronous rectifier to minimize switching loss and enhance efficiency.

Typical Applications

The LTC3576EUFE-1#PBF switching regulator is primarily designed for use in industrial, medical, automotive, and information technology (IT) sectors. This PMIC is best suited for applications that require higher conversion efficiency, such as battery charging, portable electronics, and other low power applications. Additionally, the LTC3576EUFE-1#PBF offers improved load regulation, enhanced load transient response and excellent thermal and transient load current regulation.

Conclusion

In summary, the LTC3576EUFE-1#PBF switching regulator is a high-performance, low-cost PMIC that is ideal for use in a wide range of applications. The LTC3576EUFE-1#PBF offers improved efficiency, good Load regulation, and improved transient load current regulation. The features of the LTC3576EUFE-1#PBF make it an ideal choice for use in industries such as medical, automotive, IT, and industrial applications.

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