LT3992IFE#PBF

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	LT3992
Supplier Device Package:	38-TSSOP-EP
Package / Case:	38-TFSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	110kHz ~ 2.5MHz
Current - Output:	3A
Voltage - Output (Max):	57V
Series:	--
Voltage - Input (Max):	60V
Voltage - Input (Min):	3V
Number of Outputs:	2
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction

LT3992IFE#PBF is a high efficiency, high current buck switching regulator used in a variety of DC/DC applications. It features low dropout voltage, fast transient response, and a wide input voltage range of 0 to 50V. In addition, it supports an adjustable output current range from 10A to 30A and is capable of delivering up to 50W of output power. The LT3992IFE#PBF switching regulator is an ideal solution for power management in automotive, industrial, and distributed power systems.

Application Field & Working Principle

The LT3992IFE#PBF switching regulator is widely used in a variety of DC/DC applications, such as automotive, industrial, and distributed power systems. The main application field includes power supplies, LED lighting, battery charging, motor control, and other low noise power system.The LT3992IFE#PBF switching regulator has a wide input voltage range of 0 to 50V, and adjustable output current range from 10A to 30A. It employs a low dropout voltage, fast transient response, and a unique ripple noise-canceling architecture that provides excellent stability and low noise. It is capable of delivering up to 50W of output power with high efficiency up to 98%.The operating principle of the LT3992IFE#PBF switching regulator is that it combines a low dropout voltage regulator with a high frequency switching regulator. The low dropout volt regulator controls the input voltage to the switching regulator, and the switching regulator, in turn, converts the input voltage to a DC output voltage, which is then output to the load.The LT3992IFE#PBF switching regulator uses a Pulse-Width Modulation (PWM) control with two levels of current limit. The lower current limit is adjustable and is used to limit the peak inductor current which is determined by the input voltage and the inductor value. The voltage across the inductor is controlled by comparing the output voltage to the reference voltage.

Cost & Reliability

The LT3992IFE#PBF switching regulator is a cost-effective solution for power management. It offers excellent performance and reliability at low cost. The switching regulator operates in a high frequency range and has a low dropout voltage, which helps to reduce power consumption and extend battery life. Furthermore, it has a fast transient response and excellent stability, ensuring long-term reliability and performance.

Conclusion

In conclusion, the LT3992IFE#PBF switching regulator is a high efficiency, high current buck switching regulator that is widely used in a variety of DC/DC applications. It has a wide input voltage range of 0 to 50V and adjustable output current range from 10A to 30A. It is capable of delivering up to 50W of output power with high efficiency up to 98%. The LT3992IFE#PBF switching regulator is a cost-effective solution for power management and offers excellent performance and Reliability at low cost.

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