Introducing the LT3991EDD from Analog Devices Inc.

The LT3991EDD is a robust and efficient DC/DC converter designed by Analog Devices Inc., a leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits. This compact and versatile power management solution is ideal for a wide range of applications, from automotive and industrial systems to portable battery-powered devices.

Key Features

• Wide Input Voltage Range: The LT3991EDD operates with an input voltage range of 4V to 38V, making it suitable for applications with varying supply voltages, including those that experience large voltage swings.
• Adjustable Output Voltage: Users can set the output voltage from 1.19V to as high as 34V, providing flexibility for powering a diverse array of devices and circuits.
• High Efficiency: With its integrated 1.5A switch, the converter can deliver efficiencies up to 90%, ensuring minimal power loss and heat generation during operation.
• Low Ripple: The device features low ripple Burst Mode operation, which maintains high efficiency at low output currents while keeping output ripple below 15mV in typical applications.
• Thermal Protection: It includes thermal shutdown protection that safeguards the device and your application from potential overheating.

Robust Performance in a Compact Package

The LT3991EDD comes in a small 10-lead DFN package with a 3mm x 3mm footprint, ideal for space-constrained applications. Despite its compact size, it is designed to withstand tough conditions, featuring a temperature range of -40°C to +125°C, which is critical for automotive and industrial environments.

Applications

With its versatile feature set, the LT3991EDD is well-suited for a variety of applications, including:

• Automotive power systems
• Industrial power supplies
• Portable instruments
• Battery-powered devices
• Step-down voltage regulation

Whether you need a reliable power source for your automotive electronics, a stable voltage supply for industrial machinery, or an efficient converter for portable devices, the LT3991EDD from Analog Devices Inc. delivers the performance and reliability required for your demanding applications.