AS7809ADTR-G1

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

The AS7809ADTR-G1 is a linear voltage regulator manufactured by Diodes Incorporated, belonging to the AS7809 series. It provides a fixed positive output of 9V with a maximum continuous current capability of 1A. The device operates within an input voltage range up to 29V and features a typical dropout voltage of 2V at full load. Key electrical specifications include a power supply rejection ratio (PSRR) of 61dB at 120Hz and a quiescent current of 6mA. It incorporates internal thermal overload and short-circuit protection mechanisms. The component is housed in a TO-252-3 surface-mount package and supports an operating junction temperature range from -40°C to +125°C.

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

• Fixed 9V positive output regulation for stable power delivery
• Integrated thermal overload and short-circuit protection for enhanced reliability
• High power supply rejection ratio to minimize noise sensitivity

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

• General-purpose linear power supply circuits requiring 9V regulation
• Battery-powered systems utilizing single-cell lithium-ion inputs
• Embedded electronics needing low-noise voltage stabilization

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific environmental certifications required by your region. Review the latest Product Change Notification (PCN) documents for any manufacturing updates. Ensure that the TO-252-3 package dimensions match your PCB footprint requirements before finalizing procurement decisions.

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

Select this component when a fixed 9V output is required with up to 1A load capacity. Consider the 2V dropout voltage relative to your minimum input voltage to ensure proper regulation. Evaluate the thermal performance in your enclosure design due to power dissipation at higher loads. Compare against other series members if different output voltages or current ratings are needed.

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

This part belongs to the AS7809 family of linear regulators from Diodes Incorporated. It shares architectural similarities with other devices in the series but is distinguished by its specific 9V fixed output configuration. The TO-252-3 package offers a compact surface-mount solution suitable for space-constrained designs while maintaining adequate thermal handling capabilities for industrial applications.

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

AS7809ADTR-E1 is a confirmed substitute part number within the same series.