LT3514IFE#PBF

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	LT3514
Supplier Device Package:	24-TSSOP-EP
Package / Case:	24-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	270kHz ~ 2.1MHz
Current - Output:	2A, 1A
Voltage - Output (Max):	36V
Series:	--
Voltage - Input (Max):	36V
Voltage - Input (Min):	3.2V
Number of Outputs:	3
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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LT3514IFE# PBF Application Field and Working Principle

The LT3514IFE#PBF is a high- performance DC-DC switching regulator with a wide range of voltage requirements. It has a 3.2V to 36V input voltage range, allowing for a variety of design applications. It offers a wide range of operating temperature: -40°C to +85°C for industrial and harsh environment applications. Additionally, the IC includes a wide range of features including an adjustable PFM mode, adjustable frequency, programmable soft-start time, and up to 3A of output current.The LT3514IFE#PBF’s wide input voltage range, as well as low quiescent current make it highly suitable for mobile applications that require a constant output voltage and current, such as laptop computers and portable electronic equipment. Additionally, due to its wide operating temperature range and low power consumption, the power supply is highly suitable for battery-powered applications such as phones, cameras, and medical devices.The LT3514IFE#PBF is a pulse-width modulation(PWM) mode buck switching regulator integrated circuit (IC). The buck topology is one of the most efficient and widely used power supply techniques, allowing for voltage reductions from an input voltage that is greater than the target voltage. It is a type of DC-DC converter, allowing for step-down dc/dc conversion from an input supply with a higher voltage to an output with a lower voltage.This IC can be used with either an external P-channel MOSFET or a PFM controller in order to regulate the output voltage. In the PFM mode, the output voltage is adjusted by reducing the switching frequency when the output current is lower than the set threshold. In regular PWM mode, the output voltage is adjusted by modulating the duty cycle.The IC also includes an adjustable soft-start, which means the output voltage can be ramped up gradually after it is enabled. This helps to reduce in-rush current, stabilize the output voltage, and ensure the start-up process occurs gradually.The IC can be used in a variety of applications such as: server and industrial power supplies, battery chargers, wireless power transfer systems, point-of-load regulators, and devices that require a reliable dc/dc converter for their power systems. Additionally, due to its compact size, the LT3514IFE#PBF can be used in applications where space and size are limited.Overall, the LT3514IFE#PBF is a high performance dc/dc switching regulator, offering a wide range of capabilities and features, making it suitable for a variety of applications. Its wide input voltage range, adjustable frequency and duty cycle, adjustable soft-start time, and wide operating temperature range make it an ideal choice for those needing a reliable, efficient, and cost effective power supply solution.

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