LTC3803HS6-5#TRPBF

DC DC Switching Controllers Overview

The LTC3803HS6-5#TRPBF is a constant frequency current mode flyback DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4.8V to 75V and supports a switching frequency of 200kHz. The device features a maximum duty cycle of 80% and draws a typical operating supply current of 240uA. Designed for high input voltage applications, it drives N-channel MOSFETs in flyback topologies. The component is housed in a TSOT-23-6 package and functions as a synchronous rectifier controller with shutdown capabilities.

DC DC Switching Controllers Feature Summary

• Optimized for driving N-channel MOSFETs in high input voltage applications
• Constant frequency current mode control architecture
• Integrated shutdown functionality for power management
• Designed for isolated output configurations

DC DC Switching Controllers Applications

• Isolated housekeeping telecom converters
• High input voltage flyback power supplies
• Synchronous rectifier converter designs
• Industrial DC/DC conversion systems

DC DC Switching Controllers Procurement Notes

Verify the suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the HS6 variant meets the required temperature specifications for your application environment. Cross-reference the manufacturer part number with official Analog Devices documentation to ensure authenticity and correct pinout compatibility during integration.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring high input voltages up to 75V with a fixed 200kHz switching frequency. Ensure the design accommodates the TSOT-23-6 package constraints. Verify that the target output voltage aligns with the -5 series specification. Consider thermal performance given the operating temperature range and power dissipation requirements of the host system.

DC DC Switching Controllers Part Context

This component belongs to the LTC3803 family of flyback controllers from Analog Devices. It is specifically engineered for non-isolated or isolated high-voltage input scenarios. The device complements other PMIC solutions by providing efficient current-mode control. It serves as a core element in compact power stages where size and input voltage range are critical design parameters.

DC DC Switching Controllers Replacement Considerations

The LTC3803IS6-5#TRPBF is a documented alternative within the same family. Verify pin compatibility and electrical parameter alignment before substitution. Ensure the replacement matches the specific temperature grade and packaging requirements of the original design.