LTC3624EMSE-5#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3624EMSE-5#PBF is a high-efficiency, synchronous monolithic step-down regulator manufactured by Analog Devices Inc. It delivers a fixed 5V output with a maximum current of 2A. The device operates from an input voltage range of 2.7V to 17V and features a fixed switching frequency of 1MHz, which allows for synchronization within ±40%. Key electrical characteristics include ultra-low quiescent current of 3.5µA and high efficiency across wide output voltage ranges. It is housed in a compact MSOP-12 package and supports operation temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology providing high efficiency over a wide output voltage range
• Ultra-low quiescent current capability for enhanced battery life in portable applications
• Fixed 1MHz switching frequency with external synchronization range of ±40%
• Integrated shutdown pin for power management control

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable equipment requiring efficient voltage regulation
• Industrial systems utilizing single-cell lithium-ion or lithium-polymer batteries
• Embedded controllers and microprocessor power supplies
• Communication infrastructure power distribution networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence when sourcing. Confirm the MSOP-12 package variant matches your PCB footprint requirements. Ensure the fixed 5V output aligns with system design needs, as adjustable versions exist within the same family. Cross-reference the manufacturer's latest datasheet for any updates on recommended external component values for optimal stability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required from inputs between 2.7V and 17V. The 1MHz frequency offers a balance between component size and efficiency. Consider the 2A current limit for load requirements. The MSOP-12 package is suitable for space-constrained designs. Evaluate thermal performance based on the expected load current and ambient temperature conditions within the final application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3624 family of synchronous step-down regulators. Variants such as LTC3624EMSE-3.3 provide different fixed output voltages, while other suffixes may indicate temperature grades or packaging options. The EMSE designation typically refers to the commercial temperature grade and MSOP-12 package type. This series is designed for applications demanding high efficiency and low standby current.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other parts within the LTC3624 family with matching output voltages, such as LTC3624EMSE-3.3#PBF for 3.3V output. For adjustable output requirements, consider the LTC3624IMSE variant. Verify that replacement components maintain the same MSOP-12 package and thermal characteristics to ensure compatibility with existing board layouts.