LTC3803HS6#TRPBF

DC DC Switching Controllers Overview

The LTC3803HS6#TRPBF is a constant frequency current mode flyback DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 8.7 V to 75 V and supports a switching frequency of 200 kHz. The device features a low quiescent current of 240 uA and functions reliably across a junction temperature range of -40°C to +125°C. Packaged in a TSOT-23-6 surface-mount housing, it provides one output configured for positive or isolated applications with a maximum duty cycle of 80%.

DC DC Switching Controllers Feature Summary

• Constant frequency current mode control optimized for driving N-channel MOSFETs in high input voltage environments.
• Integrated shutdown capability and current limit protection for enhanced system safety.
• Low operating supply current ensures minimal power consumption during standby modes.

DC DC Switching Controllers Applications

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

DC DC Switching Controllers Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm thermal grade and package variations. Ensure compatibility with required input voltage ranges and switching frequencies for your specific topology. Cross-reference datasheet revisions to validate pinout integrity and electrical characteristics before finalizing procurement specifications.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring robust flyback control with wide input voltage tolerance. The HS6 variant indicates specific thermal performance suitable for demanding environments. Confirm that the TSOT-23-6 package dimensions align with your PCB layout constraints and that the 200 kHz frequency meets your EMI and efficiency requirements.

DC DC Switching Controllers Part Context

This controller belongs to the LTC3803 series, designed specifically for non-synchronous flyback topologies. It serves as a core power management solution for converting higher input voltages to regulated lower outputs. The series emphasizes simplicity and reliability in compact form factors for industrial and commercial power supplies.

DC DC Switching Controllers Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Generic replacements may not match the specific thermal ratings or control loop characteristics of the HS6 variant.