LT3990EDD#TRPBF

Voltage - Output (Min/Fixed):	1.21V
Base Part Number:	LT3990
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	210kHz ~ 2.3MHz
Current - Output:	350mA
Voltage - Output (Max):	25V
Series:	--
Voltage - Input (Max):	62V
Voltage - Input (Min):	4.2V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

The LT3990EDD#TRPBF is a synchronous, monolithic step-down DC/DC switching regulator that operates from input voltages above, below, or equal to the output voltage. It is designed to provide a robust and efficient solution for many applications. It features a high efficiency of up to 95%, low power dissipation, a wide input voltage range, and wide output voltage range.

Application Field

The LT3990EDD#TRPBF is suitable for a wide range of applications from consumer electronics, automotive, industrial applications and more. It can be used for low power buck converters in applications such as LED lighting, LED driver, DC/DC power supplies, point-of-load converters, battery charger, telecom, automotive and consumer system power solutions, and more.

Working Principle

The LT3990EDD#TRPBF uses a synchronous rectification topology to achieve high efficiency. The synchronous rectification reduces the on-time of the low-side switch, and reduces the losses in the switches. It also supplies the output current with lower output voltage ripples than conventional PWM solutions. The LT3990EDD#TRPBF features a wide operating temperature range, a wide input voltage range, and a wide operating input current range. The adjustable switching frequency allows the designer to optimize the performance and minimize noise.

Features

The LT3990EDD#TRPBF features a wide operating temperature range of -40°C to +125°C, a wide input voltage range of 2.25V to 5.5V, and a wide operating input current range of 1.0 V to 5.5 V. It has a maximum power switch current of 6A, a switching frequency of 200 kHz, and a minimum output voltage of 0.6 V. It also has a high efficiency current mode PWM control and synchronous rectification which significantly reduce EMI.

Conclusion

The LT3990EDD#TRPBF is a monolithic synchronous step-down DC/DC switching regulator that can be used for a wide range of applications. It features a wide operating temperature range, a wide input voltage range, and a wide operating input current range. Its high efficiency current mode PWM control and synchronous rectification provide reduced output voltage ripples and reduced EMI.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description