LTC3803MPS6-5#TRMPBF

DC DC Switching Controllers Overview

The LTC3803MPS6-5#TRMPBF is a constant frequency current mode flyback DC/DC controller designed for high input voltage applications. It operates from an input voltage range of 4.8 V to 75 V and features a fixed switching frequency of 200 kHz. The device provides one positive, isolated output with a maximum duty cycle of 80%. It includes integrated shutdown functionality and supports current limit control. The component is housed in a TSOT-23-6 surface-mount package and is rated for operation across an extended temperature range from -55°C to +150°C.

DC DC Switching Controllers Feature Summary

• Optimized for driving N-channel MOSFETs in high input voltage environments
• Constant frequency current mode control architecture for stable regulation
• Integrated shutdown pin for power management and efficiency optimization

DC DC Switching Controllers Applications

• High input voltage flyback converter designs
• Isolated DC/DC power supply systems
• Industrial power conversion modules

DC DC Switching Controllers Procurement Notes

Verify the specific suffix MPS6 against official Analog Devices documentation to confirm package dimensions and thermal characteristics. Ensure the ordering part number matches the required temperature grade and reel configuration. Cross-reference the datasheet revision date to validate parameter accuracy before integration into production designs.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring wide input voltage ranges up to 75 V with isolated outputs. The TSOT-23-6 package suits space-constrained designs. Consider the 200 kHz switching frequency when sizing passive components. Verify that the external N-channel MOSFET selection aligns with the gate drive capabilities and voltage ratings specified in the technical data.

DC DC Switching Controllers Part Context

This component belongs to the LTC3803 series of flyback controllers manufactured by Analog Devices Inc. The series focuses on efficient power conversion for high-voltage inputs. The MPS6 suffix indicates a specific commercial or industrial grade variant within the broader product family, distinguished by its packaging and operational temperature specifications.

DC DC Switching Controllers Replacement Considerations

Consult official substitution guides for compatible flyback controllers. Direct replacements must match the TSOT-23-6 footprint and electrical parameters. Verify functional equivalence regarding current mode control and input voltage range before swapping.