LTC3803MPS6#TRMPBF

DC DC Switching Controllers Overview

The LTC3803MPS6#TRMPBF is a constant frequency current mode flyback DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 8.7 V to 75 V and supports a fixed output voltage of 3 V. The device features a switching frequency of 200 kHz and a maximum duty cycle of 80%. It draws a static current of 240 uA and functions within a temperature range of -55°C to +150°C. Packaged in a TSOT-23-6 surface mount configuration, it provides one positive isolated output.

DC DC Switching Controllers Feature Summary

• Implements constant frequency current mode control for stable flyback converter operation
• Supports wide input voltage ranges suitable for high-voltage applications
• Includes shutdown functionality for power management efficiency

DC DC Switching Controllers Applications

• Industrial power supplies requiring isolated outputs
• Distributed power architectures with high input voltages
• Battery-powered systems needing low quiescent current

DC DC Switching Controllers Procurement Notes

Verify the specific MPS6 suffix against official Analog Devices documentation to confirm industrial grade specifications and thermal ratings. Ensure the part number matches the exact package variant required for your PCB layout. Cross-reference the datasheet for any recent updates regarding environmental compliance or manufacturing site changes before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component when designing flyback converters requiring a 3 V output from inputs up to 75 V. The 200 kHz switching frequency offers a balance between size and efficiency. Consider the extended temperature range for harsh environments. Verify that the external transformer design aligns with the controller's current mode control characteristics and duty cycle limits.

DC DC Switching Controllers Part Context

This controller belongs to the LTC3803 series, designed for isolated DC/DC conversion. It complements other Analog Devices power management solutions by providing robust control for high-voltage flyback topologies. The MPS6 variant indicates specific industrial-grade performance parameters compared to commercial alternatives.

DC DC Switching Controllers Replacement Considerations

Check Analog Devices documentation for direct pin-compatible substitutes within the LTC3803 family. Verify if alternative packages like TRPBF offer identical electrical characteristics. Ensure any replacement maintains the same flyback control architecture and voltage specifications.