LTC3619EDD#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3619EDD#TRPBF is a dual synchronous step-down DC/DC converter manufactured by Analog Devices Inc. It features two independent channels with output currents of 400mA and 800mA respectively. The device operates from an input voltage range of 2.5V to 5.5V and provides adjustable outputs starting from 0.6V. It utilizes average current mode control for improved transient response and includes integrated soft-start functionality. The component is housed in a 10-lead WDFN package with an exposed pad.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual channel architecture providing independent 400mA and 800mA synchronous buck converters
• Average current mode control topology for enhanced load transient performance
• Integrated soft-start capability to limit inrush current during startup

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics requiring multiple low-voltage rails
• Industrial control systems with limited input voltage ranges
• Embedded computing platforms needing efficient power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging configuration when ordering. Confirm the operating temperature range and thermal requirements match the target application environment. Ensure compatibility with the 10-WFDFN footprint on the printed circuit board layout. Cross-reference the latest datasheet revision for any updates to electrical characteristics or recommended peripheral components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring two distinct regulated outputs from a single 3.3V or 5V source. The average current mode control offers advantages over voltage mode control in dynamic load scenarios. Consider the thermal dissipation capabilities of the exposed pad design for high-efficiency operation. Evaluate the need for external compensation networks based on the specific output capacitance used in the design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3619 family of dual synchronous buck converters. It shares architectural similarities with other multi-channel regulators but is distinguished by its specific current ratings and average current mode control scheme. The device is designed for space-constrained applications where efficiency and transient response are critical priorities.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes may include other dual synchronous buck converters from Analog Devices with similar current ratings and input voltage ranges. Verify pin-to-pin compatibility if replacing in an existing design. Check for equivalent control loop stability and thermal performance characteristics before finalizing the substitution.