L4987CPT50

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

The L4987CPT50 is a monolithic integrated voltage regulator designed for automotive applications. It provides a fixed 5V output with low dropout characteristics, supporting currents up to 200mA. The device utilizes a p-channel MOSFET as the regulating element and features pre-trimmed reference voltage for high precision. It includes protection against short circuits and over-temperature conditions, ensuring reliable operation in demanding environments.

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

• Monolithic integration of 5V regulation with low dropout performance
• High precision output via pre-trimmed reference voltage
• Integrated short circuit and thermal shutdown protection

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

• Supplying microprocessor systems in automotive applications
• Automotive electronics requiring stable 5V power rails
• Systems needing robust protection against input transients

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

Verify the specific suffix 'CPT50' against official STMicroelectronics documentation to confirm package type and temperature range. Ensure compatibility with automotive AEC-Q100 standards if required for your application. Cross-reference with similar models like L4988 or L4989D for alternative solutions if availability is an issue.

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

Select this component when a fixed 5V output with low dropout is required for automotive microprocessors. Consider its 200mA current capability and built-in protections. Compare with adjustable regulators if variable output is needed. Verify package constraints and thermal requirements for the specific PCB layout.

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

Part of STMicroelectronics' automotive voltage regulator portfolio, designed for reliability in harsh environments. Similar to the L4988, it offers low dropout and protection features. The L4987 series targets applications requiring stable power supply for sensitive digital logic in vehicles.

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

Check for direct pin-compatible alternatives such as the L4988 or L4989D. Verify electrical specifications match, including output voltage, current rating, and dropout voltage. Ensure any substitute meets the same automotive qualification standards.