L4995KTR

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

The L4995KTR is a monolithic integrated 5 V low-drop voltage regulator from STMicroelectronics, designed for automotive applications. It delivers up to 500 mA output current with a maximum dropout voltage of 500 mV at 400 mA. The device operates within an input voltage range of 5.6 V to 31 V and maintains a voltage regulation accuracy of 2%. It features a low quiescent current consumption of 3 uA and supports junction temperatures from -40 °C to 150 °C. The component includes built-in thermal shutdown and short-circuit protection.

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

• Integrates watchdog, enable, and externally programmable reset circuits for flexible system control
• Utilizes a p-channel MOS output regulating element to handle input voltage transients up to 40 V
• Provides high precision output voltage via a pre-trimmed reference voltage
• Includes thermal shutdown and short circuit protection mechanisms

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

• Supplying microprocessor systems in automotive applications
• Automotive electronic modules requiring AEC-Q100 qualified components
• Systems needing programmable reset pulse delay and watchdog timer functions

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

Verify the specific suffix (KTR) against official STMicroelectronics documentation to confirm package type and reel specifications. Ensure the part number matches the required automotive qualification standards. Cross-reference the datasheet for exact pinout and thermal characteristics before procurement.

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

Select this component when a fixed 5 V output with 500 mA capability is required in an automotive environment. Consider the L4995 family variants if different integration levels for reset or enable pins are needed. Verify that the operating temperature range and input voltage requirements align with the target application design.

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

The L4995KTR belongs to the L4995 family of low-drop voltage regulators manufactured by STMicroelectronics. This family is specifically engineered for automotive use, offering robust protection features and high precision. The KTR designation typically indicates a tape-and-reel packaging format suitable for automated assembly processes.

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

Consult official STMicroelectronics substitution guides for verified alternatives. Generic LDO replacements may not match the specific automotive qualifications or integrated watchdog/reset features.