RT9013-33GY

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

The RT9013-33GY is a fixed-output linear regulator manufactured by Richtek USA Inc., providing a stable 3.3V output with a maximum continuous current of 500mA. It features an input voltage range up to 5.5V and maintains a low dropout voltage of 0.4V at full load. The device operates within a temperature range of -40°C to 85°C, drawing a typical quiescent current of 50µA. It offers a Power Supply Rejection Ratio (PSRR) of 50dB at 10kHz and includes built-in overcurrent and thermal protection mechanisms for reliable operation in surface-mount applications.

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

• Ultra-fast transient response capability without requiring external bypass capacitors
• High power supply rejection ratio for noise-sensitive RF and wireless applications
• Integrated enable control pin for efficient power management
• Built-in thermal and overcurrent protection for enhanced system safety

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

• Portable RF modules and wireless communication devices
• Battery-powered consumer electronics requiring low noise power supplies
• Embedded systems utilizing CMOS logic families
• Mobile handsets and handheld computing devices

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

Verify the specific suffix 'GY' against official Richtek documentation to confirm package type and tape/reel specifications. Ensure compatibility with RoHS3 compliance requirements if mandated by your manufacturing standards. Cross-reference the part number with authorized distributors to confirm availability status, as some variants in this series may be marked as obsolete or discontinued in certain regions.

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

Select this component when a fixed 3.3V rail is required with moderate current demands up to 500mA. It is suitable for designs prioritizing low noise performance and fast transient response without adding bulk from output capacitors. Consider the SC-82 package constraints and ensure the input voltage remains within the 5.5V maximum limit while accounting for dropout voltage under varying load conditions.

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

This device belongs to the RT9013 family of high-performance LDO regulators designed for portable applications. The family shares common architectural features such as ultra-low dropout characteristics and high PSRR. Variants within the series typically differ by output voltage settings and packaging options, serving diverse needs in mobile and wireless technology sectors where space and power efficiency are critical.

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

The RT9013-33GB is a documented variant within the same product line, offering identical electrical specifications but potentially differing in package configuration or distribution status. Verify pinout compatibility and thermal performance before substitution. Check manufacturer notices regarding obsolescence for both parts to ensure long-term supply chain stability.