L4995RK

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

The L4995RK is a monolithic integrated automotive-grade linear voltage regulator providing a fixed 5V output with a maximum current of 500mA. It utilizes a P-channel MOSFET pass element to achieve low dropout voltage characteristics. The device operates within an input supply voltage range of 5.6V to 31V and features pre-trimmed reference voltage for high precision. It includes integrated protection against short circuits and overtemperature conditions, alongside watchdog, enable, and externally programmable reset circuits.

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

• Automotive qualification compliant with AEC-Q100 standards
• Integrated watchdog timer and externally programmable reset circuit
• Enable input functionality for power management control
• Thermal shutdown and short-circuit protection mechanisms

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

• Microprocessor system power supply in automotive environments
• Automotive electronic control units requiring stable 5V rails
• Systems necessitating programmable reset timing and watchdog functions

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

Verify the specific suffix 'RK' corresponds to the PowerSSO-24 package and the variant featuring the externally programmable reset circuit as documented in official STMicroelectronics datasheets. Confirm that the ordering part number matches the required pin configuration and functional features before procurement to ensure compatibility with the target design specifications.

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

Select this component when designing for automotive applications requiring a robust 5V regulator with integrated system management features. The L4995RK is suitable for designs needing external reset programming and watchdog capabilities. Ensure the application environment supports the specified operating temperature range and input voltage constraints defined in the technical documentation.

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

The L4995RK belongs to the L4995 family of low-dropout voltage regulators designed specifically for automotive use. This family offers flexibility through various packages and feature sets, including different reset and enable configurations. The L4995RK specifically integrates the externally programmable reset function while maintaining the core regulation and protection features common to the series.

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

Compatible substitutes within the same family include L4995AK (PowerSSO-24) and L4995K (PowerSSO-24). Verify that alternative variants match the required package type and feature set, particularly regarding the presence or absence of the externally programmable reset circuit.