L4995RJTR

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

The L4995RJTR is a monolithic low-drop voltage regulator from STMicroelectronics, providing a fixed 5V output with a maximum current of 500mA. It operates within an input voltage range of 5.6V to 31V and features a maximum dropout voltage of 0.5V at 400mA. The device includes integrated reset circuitry, a watchdog timer, and an enable input. It is qualified under AEC-Q100 standards for automotive applications and operates across a junction temperature range of -40°C to 150°C.

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

• Integrates externally programmable reset and watchdog timer circuits for system supervision
• Features P-channel MOS output stage for low dropout performance regardless of input transients
• Includes thermal shutdown and short-circuit protection mechanisms
• Supports enable/disable control via dedicated input pin

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

• Supplying microprocessor systems in automotive environments
• Automotive electronic control units requiring AEC-Q100 compliance
• Systems needing regulated 5V power with supervisory functions

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

Verify the specific suffix 'R' confirms the inclusion of the externally programmable reset feature as defined in the official datasheet. Confirm PowerSSO-12 packaging compatibility with your PCB footprint. Ensure supply chain sources provide valid AEC-Q100 certification documentation for automotive qualification requirements.

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

Select this component when a fixed 5V output with 500mA capability is required alongside integrated system supervision. The PowerSSO-12 package suits space-constrained designs. Consider the external capacitor requirements for programming the reset delay and watchdog timer periods during circuit design.

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

This part belongs to the L4995 family of automotive-grade linear regulators. The family offers flexibility through variants such as the L4995A (with enable) and L4995R (with reset). The L4995RJTR specifically denotes the version with reset functionality in the PowerSSO-12 surface-mount package.

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

Consult the official L4995 datasheet for direct cross-references. Verify that alternative parts match the 500mA output current, 5V fixed output, and PowerSSO-12 package dimensions. Ensure substitute components also meet AEC-Q100 automotive qualification standards.