LTC3642EDD-5#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3642EDD-5#TRPBF is a synchronous step-down DC/DC converter manufactured by Analog Devices Inc. It features an input voltage range of 4.5V to 45V and provides a fixed 5V output at up to 50mA. The device operates with a typical quiescent current of 12µA at no load while maintaining regulation. It utilizes peak current mode control for fast transient response and includes programmable soft-start. The component is housed in an 8-lead DFN package and supports adjustable switching frequencies.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates internal high-side and synchronous power switches for high efficiency
• Features peak current mode control architecture for rapid transient response
• Includes programmable soft-start functionality to limit inrush current
• Maintains output regulation with ultra-low quiescent current at no load

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable equipment requiring low standby current
• Industrial systems utilizing wide input voltage ranges
• Embedded controllers needing efficient step-down conversion
• Telecommunications infrastructure power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the EDD variant corresponds to the extended temperature range specifications required for your application environment. Ensure compatibility with the intended switching frequency configuration before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring a wide input voltage range up to 45V with minimal no-load power consumption. The fixed 5V output simplifies bias supply generation for logic circuits. Consider the thermal performance within the small DFN package when determining heat dissipation requirements for continuous operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3642 family of high-efficiency, high-voltage synchronous buck converters. The series is designed for applications demanding small solution size and low operating currents. The IDD-5 and EDD-5 variants share similar electrical characteristics but differ in temperature ratings and packaging configurations.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other Analog Devices synchronous buck converters with comparable input voltage ranges and output currents. Verify pinout compatibility and thermal characteristics when considering alternative manufacturers' components for direct replacement.