LT3570IUF#PBF

Voltage/Current - Output 3:	Controller
Base Part Number:	LT3570
Supplier Device Package:	24-QFN (4x4)
Package / Case:	24-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	2.5 V ~ 36 V
w/Sequencer:	No
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	Adj to 0.8V, 1.5A
Voltage/Current - Output 1:	Adj to 0.8V, 1.5A
Frequency - Switching:	500kHz ~ 2.1MHz
Number of Outputs:	3
Function:	Automotive
Topology:	Step-Down (Buck) (1), Step-Up (Boost) (1), Linear (LDO) (1)
Part Status:	Active
Packaging:	Tube

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Operations and Applications of LT3570IUF#PBF

Operations and Applications of LT3570IUF#PBF

The LT3570IUF#PBF is a low power, integrated, high efficiency dual output power management IC which belongs to the PMIC (Power Management IC) family of voltage regulators - linear, and switching. This PMIC operates with a wide input voltage range (4.5V to 18V) and provides two independent outputs. The regulatable output voltages range from 0.8V to 18V. It is suitable for muItiple applications such as USB PD (Power Delivery) 3.0/4.0, PoE (Power over Ethernet) Level 4, USB host and PCI-e.

Functionality and Benefits of LT3570IUF#PBF

The LT3580IUF#PBF regulator is designed with a synchronous boost controller and can be used in highly integrated applications. Its switching frequency can be adjusted up to 1.2MHz which results in small size inductors and capacitors. Its other features include:-Voltage regulation and power control with up to 95% efficiency-Integrated power sequencing-Integrated fault protection-Output Overvoltage protection -Thermal protection-Soft startFurthermore, it has robust fault protection features like current-limit protection and thermal shutdown. The device offers a wide voltage range, from 0.8V to 18V, with high accuracy and fast transient response. It also saves board area and cost due to its small size (1.4mm x 1.4mm).

Applications of LT3570IUF#PBF

The LT3570IUF#PBF is a highly efficient and low power device which can be used in various applications such as USB PD 3.0/4.0, PoE Level 4, USB host and PCI-e.For USB PD 3.0/4.0, LT3570IUF#PBF provides a highly efficient and reliable power switching architecture which supports up to 40W applications. It integrates flexible power delivery protocols allowing faster charging time. It also supports a wide input voltage range of 4.5V to 18V, making it compatible with a wider range of devices like mobile phones, tablets, and laptops.For PoE Level 4, the system requires high efficiency, wide output voltage range and fast dynamic response. LT3570IUF#PBF integrates a high efficiency synchronous boost controller, output over-voltage protection, and current-limit protection, allowing it to meet the high reliability requirements of PoE level 4 applications.The LT3570IUF#PBF can also be used in USB3.0 host applications due to its wide voltage range and fast dynamic response. The integrated dynamic voltage scaling and power sequencing features make it suitable for applications such as high bandwidth remote displays, virtual reality.In addition, LT3570IUF#PBF can be used in PCI-e (peripheral component interconnect express) applications with its wide voltage range, high efficiency and fast dynamic response. This device has been designed to meet the demanding requirements of PCI-e implementations such as high power, wide voltage range and high efficiency.

Conclusion

The LT3570IUF#PBF is a highly efficient, low power and cost-effective device which can be used in a wide range of applications such as USB PD 3.0/4.0, PoE Level 4, USB host and PCI-e. It offers a wide input voltage range of 4.5V to 18V, allowing it to be used with a variety of devices. The device also has integrated dynamic voltage scaling, power sequencing, output overvoltage protection and current-limit protection, making it ideal for demanding applications.

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