LTC3803IS6#TRMPBF

DC DC Switching Controllers Overview

The LTC3803IS6#TRMPBF 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 maximum duty cycle of 80% and draws a typical operating supply current of 240 uA. Designed for surface mount installation, it is housed in a TSOT-23-6 package. The controller provides one positive isolated output and includes load regulation of 3 mV/uA. It functions effectively across a junction temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Implements constant frequency current mode control architecture for stable flyback operation
• Integrates shutdown functionality for power management efficiency
• Supports boost and buck converter topologies with isolated output capability

DC DC Switching Controllers Applications

• Isolated DC/DC step-down converter designs
• Flyback power supply implementations
• General-purpose switched-mode power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRMPBF against official Analog Devices documentation to confirm tape and reel packaging specifications. Ensure the component matches the required thermal and electrical ratings for the target application environment. Cross-reference the datasheet revision history to validate parameter consistency before integration into production systems.

DC DC Switching Controllers Selection Notes

Select this controller when designing flyback converters requiring high input voltages up to 75 V. The 200 kHz switching frequency offers a balance between component size and efficiency. Consider the TSOT-23-6 package constraints for PCB layout. Verify that the external transformer and feedback network components align with the current mode control characteristics defined in the technical data.

DC DC Switching Controllers Part Context

This component belongs to the LTC3803 series of switching regulators from Analog Devices. It is specifically engineered for applications requiring isolated outputs and robust performance under varying load conditions. The part is categorized under PMIC DC/DC Switch Controllers, serving as a core element in compact power conversion modules where space and efficiency are critical design parameters.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include LTC3803ES6#TRMPBF and LTC3803IS6#TRPBF. Verify pinout compatibility and electrical parameter alignment with the original specification sheet before substitution.