LTC3803IS6-5#TRMPBF

DC DC Switching Controllers Overview

The LTC3803IS6-5#TRMPBF is a constant frequency current mode flyback DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 5.7V to 75V and supports a switching frequency of 200kHz. The device features a low quiescent current of 240uA and is housed in a TSOT-23-6 package. It is designed for high input voltage applications, offering load regulation of 3mV/uA and operating temperatures from -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Optimized for driving N-channel MOSFETs in high input voltage applications
• Constant frequency current mode control architecture
• Low quiescent current operation for improved efficiency
• Integrated shutdown capability

DC DC Switching Controllers Applications

• High input voltage isolated power supplies
• Industrial control systems
• Telecommunications equipment
• Distributed power architectures

DC DC Switching Controllers Procurement Notes

Verify the specific suffix IS6-5 against official Analog Devices documentation to confirm pinout and electrical characteristics. Ensure compatibility with the target PCB footprint for the TSOT-23-6 package. Cross-reference datasheet revisions to validate thermal performance requirements under maximum load conditions.

DC DC Switching Controllers Selection Notes

Select this component when a compact flyback solution is required for wide input voltage ranges up to 75V. The TSOT-23-6 package suits space-constrained designs. Consider the 200kHz switching frequency for balancing component size and efficiency. Verify that external MOSFETs are compatible with the gate drive capabilities.

DC DC Switching Controllers Part Context

This part belongs to the LTC3803 family of flyback controllers. It shares architectural similarities with other variants like the LTC3803ES6-5 but differs in temperature rating and packaging. The series is designed for non-synchronous rectification applications requiring simple implementation and robust performance in industrial environments.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices technical support or official distributor databases for qualified alternatives.