LTC3411EMS#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3411EMS#PBF is a synchronous step-down DC/DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 2.5V to 5.5V and provides an adjustable output voltage from 0.8V to 5V. The device delivers a maximum output current of 1.25A at a fixed switching frequency of 2.5MHz. It features a low quiescent current of 40μA and supports shutdown functionality. The component is housed in a 10-lead MSOP package with a width of 3.00mm and is rated for operation between -40°C and +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency
• Fixed 2.5MHz switching frequency enables compact passive size
• Low quiescent current reduces power consumption
• Shutdown pin minimizes standby power usage

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment
• Cellular phones and handheld devices
• Personal digital assistants (PDAs)
• Laptop computers and peripherals

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm package type and temperature grade. Ensure compatibility with required output voltage ranges and thermal management strategies for the MSOP-10 footprint. Cross-reference datasheet revisions for any material or assembly changes that may impact design-in validation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for single-cell lithium-ion applications. The fixed 2.5MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Verify that the 1.25A current limit meets load requirements and that the 40μA quiescent current aligns with battery life targets.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3411A family of synchronous buck regulators designed for space-constrained portable electronics. It integrates power switches, oscillators, and control circuitry into a small outline package. The series is optimized for applications requiring high efficiency across a wide load range while maintaining a minimal external component count.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for equivalent performance. Verify pinout compatibility and thermal characteristics before replacing.