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Product Detailed Parameters
- Description：IC REG LINEAR 8V 500MA DPAK
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：35V
- Voltage - Output (Min/Fixed)：8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：500mA
- Current - Quiescent (Iq)：6 mA
- Current - Supply (Max)：-
- PSRR：56dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：0°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：DPAK
- Grade：-
- Qualification：-
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Overview
The L78M08CDT-TR is a positive linear voltage regulator from the L78M series by STMicroelectronics, housed in a D2PAK (TO-252) surface-mount package. It provides a fixed output voltage of 8 V with a maximum continuous output current of 500 mA. The device supports an input voltage range up to 35 V and operates within a temperature range of 0°C to +150°C. Key electrical parameters include a line regulation of 160 mV and load regulation of 160 mV. It features internal thermal overload and short-circuit protection.
Feature Summary
- Integrated thermal overload and short-circuit protection for enhanced reliability
- Fixed 8 V output voltage capability
- Surface-mount D2PAK packaging design
Applications
- General-purpose power supply units
- Battery chargers
- Embedded systems requiring stable 8 V rails
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as indicated in official documentation. Check for obsolescence notices or lifecycle changes prior to procurement. Ensure storage conditions align with semiconductor handling standards to prevent moisture damage.
Selection Notes
Select this component when a fixed 8 V output at 500 mA is required in a surface-mount application. Consider the D2PAK package for thermal dissipation needs. Verify that the input voltage does not exceed the 35 V maximum rating. Evaluate thermal management requirements based on the expected power dissipation in the target environment.
Part Context
This part belongs to the L78M family of three-terminal positive linear regulators. It shares functional similarities with other members like the L78L and standard L78 series but offers higher current capacity than the L78L variants. The D2PAK package distinguishes it from through-hole alternatives, facilitating automated assembly processes.
Replacement Considerations
Cross-reference with equivalent parts such as MC78M08ABDT from onsemi or UA78M08CKVURG3 from Texas Instruments. Verify pinout compatibility and thermal performance characteristics before substitution.
