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Product Detailed Parameters
- Description：IC REG LINEAR 5V 100MA 8-SOIC
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.5V @ 100mA
- Current - Output：100mA
- Current - Quiescent (Iq)：1 mA
- Current - Supply (Max)：3 mA
- PSRR：76dB ~ 60dB (120Hz ~ 10kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The LE50ABD is a fixed-output positive linear voltage regulator from the STMicroelectronics LE50A series. It provides a stable 5.0V output with a maximum current of 100mA. The device features very low dropout voltage characteristics and includes an inhibit function for power management. It is housed in an 8-SOIC surface-mount package, designed for operation within a temperature range of -40°C to 125°C.
Feature Summary
- Very low dropout voltage regulation capability
- Integrated inhibit function for standby control
- Fixed 5.0V positive output voltage
- Designed for microprocessor control-unit systems
Applications
- Standby microprocessor control-unit systems
- Automotive applications requiring direct battery connection
- Low noise voltage regulation circuits
Procurement Notes
Verify the specific suffix 'D' indicates the 8-SOIC surface-mount package configuration. Confirm the inhibit functionality is required for the target application design. Ensure thermal management aligns with the 125°C maximum operating temperature rating specified in the official datasheet.
Selection Notes
Select this component when a fixed 5.0V supply is needed with minimal voltage drop across the regulator. The inhibit pin allows for system-wide power saving modes. Consider the 8-SOIC package for automated surface-mount assembly processes compared to through-hole alternatives.
Part Context
This part belongs to the LE50A series of very low-dropout regulators. The series offers various output voltages and packages, including TO-92 and SO-8. The LE50ABD specifically denotes the 5.0V output variant in the 8-SOIC package format, distinguishing it from other series members like the LE50ABZ.
Replacement Considerations
Check for LE50ABD-TR if tape-and-reel packaging is preferred over tubes. Verify compatibility with LE50AB variants if package type differences are acceptable.
