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Product Detailed Parameters
- Description：IC REG LINEAR 5V 100MA SOT89
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：24V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.055V @ 1mA
- Current - Output：100mA
- Current - Quiescent (Iq)：-
- Current - Supply (Max)：-
- PSRR：-
- Control Features：-
- Protection Features：-
- Operating Temperature：-40°C ~ 85°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-243AA
- Supplier Device Package：SOT-89
- Grade：-
- Qualification：-
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Overview
The LDI75L05UA is a fixed-output low-dropout (LDO) voltage regulator manufactured by Diotec Semiconductor. It provides a nominal output voltage of 3.3 V with a maximum input voltage rating of 24 V. The device delivers an output current of 100 mA and features a typical dropout voltage of 60 mV. Key electrical specifications include a quiescent current of 3 µA, line regulation of 0.2 %/V, and load regulation of 60 mV. It operates within a temperature range of -40 °C to +85 °C and is housed in an SOT-89 surface-mount package.
Feature Summary
- Fixed 3.3 V output for stable power supply applications
- Low quiescent current consumption for energy efficiency
- Compact SOT-89 surface-mount packaging
Applications
- Battery-powered portable electronics
- Embedded system power regulation
- Microcontroller supply rails
Procurement Notes
Verify the specific output voltage tolerance and package variant against the official Diotec Semiconductor datasheet before procurement. Confirm that the required operating temperature range aligns with the specified -40 °C to +85 °C limits. Ensure compatibility with the SOT-89 footprint during PCB layout. Cross-reference the manufacturer part number LDI75L05UA with authorized distributors to confirm authenticity and current availability status.
Selection Notes
Select this component when a fixed 3.3 V rail is required from inputs up to 24 V. The 100 mA output current capability suits low-power digital logic. Consider the 3 µA quiescent current for battery life optimization. Verify thermal dissipation requirements based on the voltage drop and load current in the SOT-89 package. Ensure the application does not exceed the maximum input voltage or junction temperature limits.
Part Context
This device belongs to the Diotec Semiconductor LDO voltage regulator portfolio, categorized under PMIC solutions. It is designed for general-purpose linear regulation tasks where noise immunity and simplicity are prioritized over switching converter efficiency. The SOT-89 package offers a balance between thermal performance and board space constraints for medium-current applications.
Replacement Considerations
Consult the official Diotec Semiconductor documentation for verified equivalent part numbers. Do not assume functional interchangeability with other manufacturers' LDOs without verifying pinout, voltage tolerance, and thermal characteristics.
