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Product Detailed Parameters
- Description：IC REG LINEAR 3V 200MA SOT23-5
- Series：-
- Mfr：Runic Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：7.5V
- Voltage - Output (Min/Fixed)：3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：200mA
- Current - Quiescent (Iq)：-
- Current - Supply (Max)：-
- PSRR：48dB ~ 36dB (217Hz ~ 1kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The RS3221-3.0YF5 is a fixed-output linear low-dropout (LDO) voltage regulator manufactured by Runic Technology. It provides a stable 3V output with a maximum continuous current of 200mA. The device supports an input voltage range up to 7.5V and features integrated overcurrent and thermal overload protection mechanisms. It operates within a temperature range of -40°C to +85°C and utilizes a SOT-23-5 surface-mount package.
Feature Summary
- Integrated enable control functionality for power management
- Built-in overcurrent and thermal shutdown protection circuits
- Positive polarity fixed voltage regulation
Applications
- Battery-powered portable electronic devices
- General-purpose power supply conditioning in embedded systems
- Voltage regulation for microcontroller peripheral interfaces
Procurement Notes
Verify the specific suffix YF5 corresponds to the SOT-23-5 package configuration required for your design. Confirm RoHS3 compliance status if environmental regulations apply to your manufacturing process. Ensure the ordering quantity aligns with the standard reel size of 3,000 units or cut tape availability depending on production volume requirements.
Selection Notes
Select this component when a fixed 3V rail is required with moderate load currents up to 200mA. Consider the PSRR specifications of 48dB at 217Hz and 36dB at 1kHz for noise-sensitive analog sections. Evaluate the dropout voltage characteristics against your minimum input supply voltage to ensure proper regulation under all operating conditions.
Part Context
This part belongs to the RS3221 series of LDO regulators from Runic Technology. The series offers various fixed output voltages and packaging options including SOT-23-3, SOT-23-5, DFN, and SOT-89 variants. The RS3221 family is designed for general-purpose PMIC applications requiring compact footprints and reliable linear regulation performance.
Replacement Considerations
Cross-reference other RS3221 variants such as RS3221-3.3YF5 for different fixed voltage outputs within the same package. Verify pin compatibility before substituting with other manufacturers' 200mA LDOs in the SOT-23-5 form factor.
