LT3988EMSE#TRPBF

Voltage - Output (Min/Fixed):	0.75V
Base Part Number:	LT3988
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:	No
Frequency - Switching:	250kHz ~ 2.15MHz
Current - Output:	1A
Voltage - Output (Max):	59.4V
Series:	--
Voltage - Input (Max):	60V
Voltage - Input (Min):	4.1V
Number of Outputs:	2
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

LT3988EMSE#TRPBF is a DC DC switcher voltage regulator designed for fast charging, designed for a variety of applications such as battery charging and automotive applications. An integrated reverse current blocking switch provides higher efficiency and simplicity of design. The LT3988EMSE#TRPBF is compact, highly efficient and suitable for USB or similar low-voltage applications.

Applications

The LT3988EMSE#TRPBF is especially suitable for fast-charging applications with high charging current, such as battery charging stations, electric vehicles and EVs. It supports a wide input voltage range so it is suitable for most battery charging scenarios. Also, it can be used in other low-voltage DC/DC applications such as USB charging, personal electronics, and consumer products.Other application fields include automotive systems, power supplies, and battery chargers, DC/DC converters, etc.

Working Principle

The LT3988EMSE#TRPBF is based on a switching regulator architecture. It uses a Pulse Width Modulation (PWM) technique to regulate and control the output voltage. It consists of four stages:1. Voltage boosting: An N-channel MOSFET is used as the power switch to boost the input voltage to the desired level.2. Current limiting: A current limiting circuit is used to ensure the maximum charging current is not exceeded.3. Reverse current blocking: An integrated reverse current blocking circuit is used to prevent reverse current flow.4. Output voltage regulation: A voltage regulation loop is used to regulate the output voltage to the desired level.

Conclusion

The LT3988EMSE#TRPBF is a DC/DC buck regulator designed for fast charging applications. It is compact and highly efficient, and supports a wide input voltage range. The device is suitable for battery charging applications, low-voltage DC/DC applications, and automotive applications. The device uses four stages: voltage boosting, current limiting, reverse current blocking and output voltage regulation.

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