RT9164A-33GL

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

The RT9164A-33GL is a fixed-output positive voltage regulator from the RT9164A series, manufactured by Richtek Technology Corporation. It provides a stable 3.3V output with a maximum current rating of 1A. The device features low dropout performance, maintaining regulation at full load with a maximum dropout voltage of 1.4V. Output voltage accuracy is specified at ±2%. The component is housed in an SOT-223 package, designated by the 'G' suffix, and is available in lead-free and halogen-free configurations.

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

• Low dropout performance at fully rated current
• Fast transient response capability
• Internal current-limiting protection
• Thermal-shutdown protection

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

• Active SCSI termination
• Low voltage microcontrollers
• Switching power supply post-regulator

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

Verify the specific ordering suffix to confirm the package type and environmental compliance status. The 'G' suffix indicates the SOT-223 package, while the final character denotes the lead plating system, typically Pb-Free or Green (Halogen-Free). Confirm that the 33 suffix corresponds to the required 3.3V fixed output voltage before procurement.

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

Select this regulator for applications requiring high current delivery with minimal voltage drop across the input-output differential. The ±2% output accuracy ensures precise voltage levels for sensitive digital logic. Ensure the input voltage exceeds the output voltage by at least the maximum dropout value to maintain regulation under full load conditions.

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

This component belongs to the RT9164A series of high-performance positive voltage regulators designed for applications demanding low dropout performance at fully rated current. The series offers both fixed and adjustable voltage options in space-saving packages including SOT-223, TO-252, and TO-263, providing excellent line and load regulation.

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

Substitutes must match the 1A current rating, 3.3V fixed output, and SOT-223 package. Verify pinout compatibility and thermal characteristics. Check datasheets for equivalent dropout voltage and transient response specifications to ensure circuit stability is maintained.