LT8610AIMSE#PBF

Voltage - Output (Min/Fixed):	0.97V
Base Part Number:	LT8610
Supplier Device Package:	16-MSOP-EP
Package / Case:	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	200kHz ~ 2.2MHz
Current - Output:	3.5A
Voltage - Output (Max):	42V
Series:	--
Voltage - Input (Max):	42V
Voltage - Input (Min):	3.4V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction

LT8610AIMSE#PBF is a dual-channel high-efficiency, current mode, buck-boost, synchronous-rectified DC/DC switching regulator from Linear Technology Corporation, which is a leader in resolving power management problems. This article will discuss the application field and working principal of the LT8610AIMSE#PBF.

Applications of LT8610AIMSE#PBF

LT8610AIMSE#PBF offers useful features including integrated 5A dual-channel switches, +/-32V input voltage range, 8~60V output voltage, wide load current range and adjustable switching frequency. The voltage range helps to efficiently regulates a wide variety of power management requirements. Its current-mode topology, high output accuracy and fast load transient response produces clean output waveforms.With its fast transient response, dual-channel, over voltage protection and adjustable loop compensation, it is widely and widely used in portable equipment and battery-powered applications such as personal communications or entertainment systems, high-end power amplifiers, and USB/HDMI shields.

Working Principle of LT8610AIMSE#PBF

Based on Linear Technology’s proprietary architecture, the combination of two synchronous buck-boost controllers and two integrated 4A/5.5A switches makes up the LT8610AIMSE#PBF synchronous buck-boost switching regulator from Linear Technology.The buck-boost controllers featured in the LT8610AIMSE#PBF ensure that the output voltage is independent of the input voltage. It not only reduces the output voltage ripple, but also eliminates the need of dual power supplies. The integrated switches enable a wide input voltage range supporting both buck and boost modes of operation. The synchronous rectifier have a fast transient response and provides high efficiency over wide input voltage range.The LT8610AIMSE#PBF switching regulator also offers comprehensive protection against both current and voltage over-stress. It has programmable over current protection (OCP) and adjustable input undervoltage lockout (UVLO) to maintain system reliability and accuracy. The thermal shutdown and programmable soft start also esures reliable and accurate startup.

Conclusion

The LT8610AIMSE#PBF DC/DC buck-boost switching regulator from Linear Technology is applicable to a wide variety of portable equipment and battery-powered applications. Furthermore, it provides high accuracy, fast transient response, and extensive protection features for system reliability and accuracy. The combination of the buck-boost architecture and the dual-channel synchronous rectifier provides the necessary performance and features to meet the various power management needs.

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