S-19903DA-A6T8U7

Voltage Regulators - DC DC Switching Regulators Overview

The S-19903DA-A6T8U7 is a step-down switching regulator manufactured by ABLIC Inc., belonging to the S-19903 series. It utilizes a buck topology to provide regulated power conversion. The device features an adjustable output voltage range from 2.5 V to 12 V and supports a maximum output current of 600 mA. It operates with a fixed switching frequency of 400 kHz. The component is housed in an HSNT-8 surface-mount package, suitable for compact circuit designs. It is rated for operation within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Buck topology for efficient step-down voltage regulation
• Adjustable output voltage capability across a wide range
• High operating temperature rating for demanding environments

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring compact power solutions
• Industrial control systems operating in high-temperature conditions
• Automotive electronics utilizing standard voltage rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix and package variant against the manufacturer's official datasheet before procurement. Confirm that the HSNT-8 footprint matches the design layout. Ensure supply chain channels are authorized to guarantee component authenticity and traceability. Check for any recent lifecycle status updates or obsolescence notices directly from ABLIC Inc. documentation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a buck converter with a 400 kHz switching frequency is required. It is appropriate for applications needing up to 600 mA output current. Consider the HSNT-8 package size constraints. Verify input voltage compatibility with the target application range. Ensure thermal management strategies align with the specified operating temperature limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-19903 series of switching regulators from ABLIC Inc. The series offers various topologies and packages. The DA suffix typically indicates specific pin configurations or internal settings compared to other variants like AA. It serves as a power management IC for general-purpose voltage regulation tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other S-19903 series variants such as S-19903AA-A6T8U7 or S-19903CA-A6T8U7, provided the switching frequency and package requirements match. Cross-reference electrical parameters carefully to ensure functional equivalence.