RS3236-3.3YF5

Overview

The RS3236-3.3YF5 is a fixed-output linear low-dropout regulator manufactured by Runic Technology, designed for power management applications requiring stable voltage regulation. It provides a fixed output voltage of 3.3V with a maximum continuous output current capability of 500mA. The device supports an input voltage range up to a maximum of 7.5V and maintains a maximum voltage drop of 0.6V at full load. Key electrical specifications include a quiescent current of 40 µA and power supply rejection ratios ranging from 74dB to 70dB across frequencies of 217Hz to 1kHz. It operates within a temperature range of -40°C to 85°C.

Feature Summary

• Integrated enable control functionality for precise power management sequencing
• Built-in thermal overload protection and output current limiting for enhanced reliability
• Low quiescent current consumption optimized for battery-powered systems
• High power supply rejection ratio ensuring clean output under varying input conditions

Applications

• Portable consumer electronics requiring stable 3.3V logic supplies
• Battery-operated devices utilizing linear regulation for noise-sensitive circuits
• Embedded systems needing overcurrent and thermal protection in compact packages

Procurement Notes

Verify the specific suffix YF5 corresponds to the SOT-23-5 package configuration required for your PCB layout. Confirm RoHS3 compliance status if environmental regulations apply to your manufacturing process. Ensure input voltage does not exceed the 7.5V absolute maximum rating during operation. Check datasheet for minimum load requirements if applicable to your circuit design.

Selection Notes

Select this component when a fixed 3.3V output is required with moderate current demands up to 500mA. Consider the SOT-23-5 package constraints regarding thermal dissipation at high loads. Evaluate the 0.6V dropout characteristic against your minimum input voltage headroom. Compare quiescent current performance against other LDOs if battery life is a critical design parameter.

Part Context

This part belongs to the RS3236 series of linear regulators from Runic Technology, which offers various fixed voltage options and adjustable variants. The series is characterized by low dropout performance and integrated protection features. Other members include different voltage outputs such as 1.8V, 2.5V, and 2.8V, sharing similar electrical characteristics and protection mechanisms.

Replacement Considerations

Direct substitutes may include other 3.3V 500mA LDOs in SOT-23-5 packages with comparable dropout voltages and protection features. Verify pin compatibility and thermal performance before substitution. Alternative parts must meet the same input voltage and operating temperature specifications.