LTC3111HDE#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3111HDE#PBF is a fixed-frequency, synchronous buck-boost DC/DC converter manufactured by Analog Devices Inc. It features an extended input voltage range from 2.5V to 15V and supports an output current of 1.5A. The device operates with a switching frequency of 800kHz and includes a synchronous rectifier for high efficiency. It is designed for applications requiring wide input and output ranges, such as wireless systems. The component is housed in an MSOP-10 package and operates within a junction temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck-boost topology with single inductor design
• Extended input voltage range supporting 2.5V to 15V
• High-efficiency operation suitable for battery-powered devices

Voltage Regulators - DC DC Switching Regulators Applications

• Wireless sensor networks
• Portable medical equipment
• Industrial control systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence when ordering. Confirm the MSOP-10 package availability through authorized distributors. Ensure the operating environment stays within the specified -40°C to +150°C junction temperature limits. Check for any recent lifecycle status updates regarding limited supply or obsolescence notices from Analog Devices.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range is required without multiple stages. The synchronous design offers better efficiency than non-synchronous alternatives at similar currents. Consider the 800kHz switching frequency for balancing component size and EMI. Verify that the 1.5A output current meets the load requirements under all operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC31xx family of synchronous buck-boost converters. These devices are optimized for ultra-low noise and high efficiency in space-constrained applications. The family shares common architectural features but varies in current capability and input voltage ranges. The LTC3111 specifically targets mid-range current applications with a 1.5A output capability.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements may include other parts from the LTC31xx series with compatible current ratings. Verify pinout compatibility before substituting. Ensure the replacement supports the same 2.5V to 15V input range. Check if the alternative offers similar thermal performance in the MSOP-10 package.