L4995K

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

The L4995K is an automotive-grade monolithic integrated voltage regulator belonging to the L4995 family. It provides a fixed 5 V output with a maximum current capacity of 500 mA. The device utilizes a P-channel MOSFET pass element, enabling low dropout performance and regulation stability despite input voltage transients up to 40 V. It operates within a DC supply voltage range of 5.6 V to 31 V and features a wide junction temperature range from -40 °C to 150 °C. The unit includes integrated protection against short circuits and overtemperature conditions.

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

• Integrates watchdog timer and externally programmable reset circuits for system supervision
• Features enable input functionality for controlling voltage regulator operation
• Provides thermal shutdown and short circuit protection mechanisms
• Utilizes pre-trimmed reference voltage for high output precision

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

• Supplying microprocessor systems in automotive applications
• Automotive voltage regulation requiring AEC-Q100 qualification
• System basis chip evaluation and development

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

Verify the specific suffix 'K' against official STMicroelectronics documentation to confirm pinout configuration and package type. Ensure the component meets AEC-Q100 automotive qualification requirements for your target application environment. Cross-reference datasheet revisions to validate feature availability such as external reset programming capabilities.

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

Select this component when a fixed 5 V output at 500 mA is required for automotive microprocessor power supplies. Consider the L4995 family variants if different package options or specific reset configurations are needed. Evaluate the low quiescent current consumption and wide operating temperature range suitability for harsh automotive environments.

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

The L4995K belongs to the L4995 family of low drop voltage regulators manufactured by STMicroelectronics. This family is designed specifically for automotive applications, offering flexibility through various package options including 12-pin and 24-pin configurations. The devices are part of ST's broader portfolio of automotive voltage regulators and system basis chips.

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

Consult official STMicroelectronics substitution guides for verified alternative part numbers within the L4995 family or compatible automotive LDO regulators. Verify functional equivalence regarding reset circuitry and package dimensions before implementation.