S-19954E11A-A8T7U7

Voltage Regulators - DC DC Switching Regulators Overview

The ABLIC S-19954E11A-A8T7U7 is an automotive-grade buck converter switching regulator developed using CMOS technology. It features a fixed 1.1V output voltage with a maximum output current of 1A. The device operates within a junction temperature range of -40°C to +125°C and utilizes PWM control topology. Packaged in an HSNT-8 (1616)B surface-mount case, it integrates a Power Good function for system monitoring.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated Power Good function for status indication
• Automotive qualification compliant with AEC-Q100 standards
• CMOS process technology for efficient DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Applications

• Secondary power regulation in automotive electronic systems
• Voltage step-down for microcontrollers and sensors
• Power management in vehicle infotainment units

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix A8T7U7 against official ABLIC documentation to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint for the HSNT-8 (1616)B package. Confirm automotive grade requirements align with your design specifications before ordering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.1V output is required for secondary bus regulation in automotive environments. The integrated Power Good feature simplifies system reset logic. Verify that the 1A current capability meets the load requirements of the downstream circuitry.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-19954 series of secondary step-down switching regulators from ABLIC. These devices are designed specifically for automotive applications requiring high reliability and efficiency. The series supports PWM control and includes built-in protection features typical of modern automotive power management ICs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the S-19954 family or other ABLIC automotive buck converters. Ensure any substitute matches the 1.1V output, 1A current rating, and HSNT-8 package dimensions.