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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 500MA 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)：1.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：500mA
- Current - Quiescent (Iq)：40 µA
- Current - Supply (Max)：-
- PSRR：74dB ~ 70dB (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 RS3236-1.8YF5 is a fixed-output linear low-dropout (LDO) voltage regulator manufactured by Runic Technology. It provides a stable 1.8V output with a maximum continuous current of 500mA. The device operates within an input voltage range of 1.7V to 7.5V and features a typical quiescent current of 40µA. Key electrical specifications include a maximum dropout voltage of 0.6V at full load and power supply rejection ratios ranging from 70dB to 74dB between 217Hz and 1kHz. It is housed in a SOT-23-5 surface-mount package and supports an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrated enable control for power management
- Built-in thermal overload protection
- Output current limiting capability
Applications
- Battery-powered portable electronics
- Embedded systems requiring stable logic supplies
- RF circuits needing low-noise regulation
Procurement Notes
Verify the specific suffix YF5 corresponds to the SOT-23-5 package configuration. Confirm RoHS3 compliance status for environmental regulations. Ensure the ordering part number matches the exact 1.8V fixed output variant to avoid functional mismatches with adjustable or other voltage versions in the RS3236 series.
Selection Notes
Select this component when a fixed 1.8V rail is required with moderate current demands up to 500mA. The low quiescent current makes it suitable for battery-operated devices where standby power consumption is critical. Verify that the input voltage remains within the 1.7V to 7.5V window to ensure proper regulation and dropout performance under all load conditions.
Part Context
This part belongs to the RS3236 family of LDO regulators from Runic Technology. The family includes various fixed output voltages and adjustable variants, all sharing similar protection features and packaging options such as SOT-23-5 and UTDFN-1x1-4. The RS3236 series is designed for general-purpose power management applications requiring compact footprints and reliable linear regulation.
Replacement Considerations
Other RS3236 variants with different output voltages (e.g., RS3236-3.3YF5) share the same package but provide different voltages. Cross-referencing requires verifying the output voltage specification matches the circuit design requirements exactly.
