L5150CJTR

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

The L5150CJTR is a low dropout linear regulator manufactured by STMicroelectronics, featuring microprocessor control functions such as power-on reset, low voltage reset, and early warning. It provides a fixed 5 V output with ±2% accuracy over a wide temperature range. The device operates within an input voltage range of 5.6 V to 40 V and delivers up to 150 mA of output current. Key electrical parameters include a typical quiescent current of 55 μA, a maximum dropout voltage of 500 mV, line regulation of 40 mV, and load regulation of 55 mV. It is qualified under AEC-Q100 standards and housed in a SOIC-12 package.

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

• Integrated microprocessor supervision including power-on reset, low voltage reset, and adjustable early warning circuits.
• High precision output voltage maintained across wide variations in temperature, line voltage, and load conditions.
• Operates stably with only low-value ceramic capacitors on the output, simplifying design requirements.
• Includes internal thermal shutdown and short-circuit protection for enhanced system reliability.

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

• Automotive electronic systems requiring AEC-Q100 qualified power management
• Microprocessor power supply units with integrated reset monitoring
• Industrial control systems operating within wide input voltage ranges

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

Verify the specific suffix 'CJTR' against official STMicroelectronics documentation to confirm it denotes the SOIC-12 surface-mount package and tape-and-reel shipping format. Ensure compatibility with moisture sensitivity levels and reflow soldering profiles specified in the datasheet. Confirm that the ordering code matches the exact pinout and functional specifications required for your circuit design before finalizing procurement.

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

Select this component when a stable 5 V rail is needed alongside essential reset and warning signals for embedded processors. It is suitable for applications where input voltages vary significantly between 5.6 V and 40 V. Consider its low quiescent current for battery-sensitive designs and its ability to drive loads up to 150 mA without external pass transistors. Verify that the thermal performance in the SOIC-12 package meets the junction temperature requirements of the target environment.

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

The L5150CJTR belongs to the L5150 series of multifunction low dropout regulators from STMicroelectronics. This series is designed specifically for automotive and industrial applications requiring high reliability and integrated supervisory functions. The 'CJ' variant indicates the specific package and temperature grade, while 'TR' typically signifies the reel packaging configuration for automated assembly processes.

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

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official STMicroelectronics resources or authorized distributors for verified cross-reference data before considering alternative components.