LTC3631EMS8E#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3631EMS8E#PBF is a high-efficiency, high-voltage synchronous step-down DC/DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5V to 45V and delivers up to 100mA of output current. The device features adjustable output voltage from 0.8V to 45V and maintains a typical quiescent current of 12μA at no load. It utilizes an MSOP-8 package with an exposed pad for thermal management and supports operation temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates internal high-side and synchronous power switches for high efficiency
• Maintains output regulation with ultra-low 12μA typical supply current at no load
• Features programmable peak current limit for optimized efficiency in lower current applications

Voltage Regulators - DC DC Switching Regulators Applications

• High voltage step-down conversion in industrial systems
• Powering low-current loads from high voltage buses
• Automotive electronics requiring wide input voltage ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and tube packaging. Confirm the EMS8E designation corresponds to the MSOP-8 package with exposed pad. Ensure the part number matches the exact voltage and current requirements for your design, as variations exist within the LTC3631 family.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 45V is required with low standby current consumption. It is suitable for applications needing a compact solution with integrated synchronous rectification. Consider the adjustable output feature if fixed voltage variants do not match the system requirement.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3631 series of high voltage synchronous buck converters. It is designed for applications requiring high efficiency across a wide input voltage range. The series includes various output voltage options and packaging configurations to suit different design constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for other LTC3631 variants with fixed output voltages if adjustment is not needed. Verify pin compatibility with alternative high-voltage buck converters from Analog Devices or other manufacturers offering similar input ranges and current capabilities.