KA317MTU

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

The KA317MTU is a positive adjustable linear voltage regulator manufactured by onsemi. It provides an output current of 500 mA with an adjustable output voltage range from 1.2 V to 37 V. The device operates within an input voltage range of 4.2 V to 40 V and supports a maximum junction temperature of 125°C. It features a line regulation of 0.07%/V and load regulation of 1.5%/V, with a typical power supply rejection ratio of 80 dB. The component is housed in a TO-220-3 package for through-hole mounting.

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

• Provides stable positive adjustable output voltage across a wide range
• Supports continuous output current up to 500 mA
• Includes internal thermal overload protection mechanisms

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

• General-purpose power supplies requiring adjustable output
• Local on-card regulation for distributed power systems
• Test and measurement equipment power stages

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

Verify the obsolete status of this part number before design finalization. Confirm availability through authorized distributors or secondary markets as standard manufacturing may have ceased. Ensure compatibility with existing PCB footprints and thermal management requirements during replacement sourcing.

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

Select this component when a through-hole adjustable linear regulator with 500 mA capability is required. Compare against the LM317 series for pin-compatible alternatives. Consider thermal dissipation needs due to the linear topology. Verify that the input-output differential voltage remains within safe operating limits for the intended load conditions.

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

This device belongs to the KA317 family of adjustable linear regulators produced by onsemi. It shares functional similarities with industry-standard LM317 devices but carries specific manufacturer markings and packaging identifiers. The MTU suffix denotes the TO-220-3 through-hole package configuration used for heat sinking and board mounting.

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

The LM317MBTG is a documented alternative offering similar electrical characteristics in a comparable package. Verify pinout compatibility and thermal performance specifications before substitution.