L4995JTR

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

The L4995JTR is a monolithic low-dropout voltage regulator from STMicroelectronics, providing a fixed 5 V output with a maximum current of 500 mA. It operates within an input voltage range of 5.6 V to 31 V and features a dropout voltage of 500 mV at 400 mA. The device includes integrated watchdog, enable, and externally programmable reset circuits. 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 watchdog timer, enable control, and externally programmable reset circuitry for system management
• Utilizes p-channel MOS technology to maintain regulation during significant input voltage transients
• Includes thermal shutdown and short-circuit protection mechanisms for enhanced reliability

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

• Supplying microprocessor systems in automotive environments
• Automotive electronic modules requiring AEC-Q100 qualification
• Low-dropout power regulation for embedded controllers

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

Verify the specific suffix 'J' against official documentation to confirm package type and tape-and-reel specifications. Ensure the selected variant matches the required automotive grade and functional configuration, as different suffixes may alter pinouts or feature sets. Cross-reference the manufacturer's latest datasheet to validate RoHS compliance and material declarations before finalizing procurement.

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

Select this component when a fixed 5 V supply is required for automotive-grade logic or microprocessors. The PowerSSO-12 package offers a compact surface-mount solution suitable for space-constrained designs. Consider the integrated reset and watchdog features if system supervision is needed without additional external components. Verify that the input voltage remains within the specified 5.6 V to 31 V range for proper operation.

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

The L4995JTR belongs to the L4995 family of low-dropout regulators designed specifically for automotive applications. This series combines high precision with robust protection features, making it suitable for demanding vehicle electronics. The J suffix typically denotes the specific packaging and reel configuration used for surface-mount assembly processes.

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

Consult the manufacturer's substitution guide for verified alternatives. Other members of the L4995 family, such as those with different suffixes, may offer variations in package size or feature sets but require careful verification of electrical compatibility.