L5150CSTR

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

The L5150CSTR is a low dropout linear regulator from STMicroelectronics, featuring microprocessor control functions including power-on reset, low voltage reset, and early warning capabilities. It provides a fixed 5 V output with ±2% precision at 150 mA. The device operates within a DC supply voltage range of 5.6 V to 40 V, ensuring stability across varying input conditions. Qualified under AEC-Q100 standards for automotive reliability, it maintains a low quiescent current consumption of 55 uA. The unit is housed in an 8-SOIC package, suitable for surface mount applications, and supports operating temperatures from -40°C to +125°C.

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

• Integrated microprocessor control functions including power-on reset, low voltage reset, and early warning signals.

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

• Automotive electronic systems requiring AEC-Q100 qualified components.

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

Verify the specific suffix 'CSTR' against official STMicroelectronics documentation to confirm the exact tape-and-reel packaging configuration and moisture sensitivity level. Ensure compatibility with the required 8-SOIC footprint and thermal management requirements for the target application environment.

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

Select this component when a fixed 5 V rail is needed with integrated system supervision features. The wide input voltage range up to 40 V allows flexibility in source selection. Consider the 150 mA output limit and SOIC-8 thermal dissipation characteristics relative to the expected load profile and ambient temperature constraints.

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

This part belongs to the L5150GJ family of multifunction LDO regulators designed for robust performance in demanding environments. The series integrates standard regulation with diagnostic features, distinguishing it from basic voltage regulators by providing essential monitoring signals for system integrity.

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

Cross-reference with L5150CS or L5150CJ variants to verify pinout and functional equivalence. Confirm that alternative packages meet the same thermal and electrical specifications without altering the board layout.