S-19902DA-S8T1U7

Voltage Regulators - DC DC Switching Regulators Overview

The S-19902DA-S8T1U7 is a synchronous step-down switching regulator from the ABLIC S-19903 series, designed for automotive applications. It features a wide input voltage range of 4.5 V to 60 V and provides an adjustable output voltage between 2.5 V and 12 V with a maximum output current of 600 mA. The device operates at a fixed switching frequency of 400 kHz and supports surface-mount installation in an HTMSOP-8 package. It is qualified to AEC-Q100 standards and functions reliably within an extended temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for high efficiency
• Wide input voltage capability up to 60 V
• Automotive-grade reliability qualification

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Electronic control units (ECUs)
• Telematics modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation to confirm pinout compatibility and thermal characteristics. Confirm that the HTMSOP-8 package variant matches your PCB footprint requirements. Ensure the supplier provides valid traceability documents for automotive grade components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust solution is required for high-voltage automotive buses. The 600 mA output capacity suits moderate power loads. Verify that the 400 kHz frequency aligns with EMI constraints and inductor selection guidelines for the target application.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-19903 series of automotive switching regulators. It complements other ABLIC PMICs by offering a compact synchronous buck solution. The series is engineered to meet stringent automotive quality standards while providing flexible voltage regulation options.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct cross-references in distributor databases. Verify if alternative parts maintain the same 60 V input rating and HTMSOP-8 package dimensions to ensure mechanical compatibility.