LTC3803IS6#TRPBF

DC DC Switching Controllers Overview

The LTC3803IS6#TRPBF is a constant frequency current mode flyback DC/DC controller designed for high input voltage applications. 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 operating supply current of 240 uA and includes shutdown functionality. Packaged in a TSOT-23-6 surface-mount case, it is rated for operation between -40°C and +125°C.

DC DC Switching Controllers Feature Summary

• Constant frequency current mode control architecture optimized for driving N-channel MOSFETs
• Integrated shutdown pin for power management and system sleep modes
• Designed for high input voltage isolation applications with flyback topology

DC DC Switching Controllers Applications

• High input voltage isolated DC/DC converters
• Industrial power supplies requiring wide input ranges
• Telecommunications equipment power stages

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates reel packaging when ordering. Confirm the manufacturer part number matches Analog Devices Inc. specifications exactly. Ensure the component meets RoHS compliance requirements for your assembly process. Check datasheet revisions for any updates to electrical characteristics or pinout definitions before finalizing designs.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring a fixed 200 kHz switching frequency and high input voltage tolerance up to 75 V. It is suitable for applications needing low quiescent current during standby via the shutdown feature. Consider the TSOT-23-6 package size constraints for PCB layout. Evaluate thermal performance based on the specific duty cycle and load conditions expected in the target application.

DC DC Switching Controllers Part Context

This component belongs to the LTC3803 family of flyback controllers from Analog Devices. The IS6 designation specifies the commercial temperature grade and TSOT-23-6 package variant. The #TRPBF suffix denotes tape and reel packaging with lead-free finish. This series targets cost-sensitive, space-constrained power solutions for industrial and telecom markets.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include other parts within the LTC3803 family such as LTC3803IS6-3#TRPBF or LTC3803IS6-5#TRPBF if different internal reference voltages are required. Verify pin compatibility and electrical parameters against the original design requirements before substitution.