KF80BDT-TR

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The KF80BDT-TR is a fixed-output linear low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. It provides a fixed 8V output with a maximum continuous current of 500mA. The device supports an input voltage range up to 20V and features a typical dropout voltage of 0.7V at full load. Key electrical specifications include a quiescent current of 1.5mA, a supply current of 12mA maximum, and power supply rejection ratios ranging from 72dB at 120Hz to 60dB at 10kHz. It operates within a temperature range of -40°C to 125°C and includes overcurrent and thermal overload protection.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Provides stable regulated DC voltage with fixed 8V output configuration
• Integrates internal protection mechanisms against overcurrent conditions and excessive junction temperatures
• Delivers high noise suppression performance suitable for sensitive analog circuits

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Power management in automotive electronic systems
• Industrial control equipment requiring reliable voltage regulation
• Consumer electronics utilizing surface-mount assembly processes

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific ordering suffix to ensure the correct packaging format matches production requirements. Confirm that the component meets RoHS3 compliance standards for environmental regulations. Check the manufacturer datasheet for any recent product change notices regarding package or material updates. Ensure compatibility with existing PCB footprint designs before finalizing procurement decisions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 8V rail is required with moderate current demands up to 500mA. Consider the DPAK package for applications needing efficient heat dissipation through the exposed pad. Evaluate the input voltage headroom against the specified dropout characteristics to maintain regulation under varying load conditions. Verify that the operating temperature range aligns with the intended environmental constraints of the end application.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the KFxxB series of positive LDO regulators from STMicroelectronics. The series offers various fixed output voltages tailored for different power management needs. The KF80BDT-TR specifically utilizes the DPAK surface-mount package, balancing current handling capabilities with compact board space requirements common in modern electronic designs.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Consult official substitution lists for compatible parts within the same regulatory family. Verify pinout compatibility and thermal performance characteristics before replacing the original component. Ensure that alternative devices meet the same electrical specifications and physical dimensions to avoid redesign efforts.