LTC3622EMSE#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3622EMSE#PBF is a dual synchronous step-down regulator from Analog Devices, housed in a 16-lead MSOP package. It delivers two independent 1A output channels with an input voltage range of 2.7V to 17V and adjustable outputs from 600mV to 1.7V. The device operates at a fixed switching frequency of 1MHz or 2.25MHz, supporting synchronization within ±50%. Key electrical parameters include a quiescent current of 3mA, operating supply current of 5µA, and load regulation of 0.1%. It functions reliably between -40°C and +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual-channel architecture providing independent 1A synchronous buck regulation for efficient power distribution.
• Ultra-low quiescent current design ensures high efficiency across wide output voltage ranges and light loads.
• Integrated shutdown capability allows for precise power management and system sleep mode control.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring efficient dual-rail power generation
• Industrial systems utilizing 12V or 24V bus architectures
• Embedded computing platforms needing compact dual-output DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout compatibility and thermal characteristics. Ensure the selected variant matches the required switching frequency configuration. Cross-reference the datasheet for accurate ordering information and environmental compliance details before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring two isolated 1A rails from a single input source. The MSOP-16 package suits space-constrained layouts. Consider the 1MHz or 2.25MHz frequency options based on external inductor size constraints and EMI requirements. Verify that the input voltage remains within the 2.7V to 17V operational window for stable regulation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3622 family of dual synchronous buck regulators. It shares core topology with variants like the LTC3622IMSE-2 but differs in package type and temperature rating. The EMSE designation indicates an extended temperature range MSOP package, distinguishing it from commercial grade alternatives while maintaining identical functional performance.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other dual 1A buck regulators from Analog Devices such as the LTC3624 series, though output current and quiescent current specifications differ. Verify pin compatibility and thermal performance when considering cross-family replacements.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the synchronization range for the LTC3622EMSE#PBF?

The switching frequency can be synchronized to an external clock with a tolerance of ±50%.

Does the LTC3622EMSE#PBF support burst mode operation?

Yes, the device supports Burst Mode operation to maintain high efficiency at very light load currents.