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Product Detailed Parameters
- Description：IC REG LINEAR 8V 100MA 8-SOIC
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：100mA
- Current - Quiescent (Iq)：5.5 mA
- Current - Supply (Max)：6 mA
- PSRR：45dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：0°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 L78L08CD13TR is a three-terminal positive linear voltage regulator from the STMicroelectronics L78L series, housed in an SO-8 surface-mount package. It provides a fixed output voltage of 8 V with a maximum output current capability of 100 mA. The device features internal thermal overload protection and short-circuit protection, eliminating the need for external components. It operates within a junction temperature range of 0 to 125 °C and accepts input voltages up to 30 V.
Feature Summary
- Integrated thermal overload and short-circuit protection mechanisms ensure robust operation under fault conditions.
- Fixed 8 V output regulation designed for local or on-card noise elimination and distribution problem resolution.
- Surface-mount SO-8 package construction facilitates automated assembly and compact circuit board integration.
Applications
- Local or on-card voltage regulation
- Replacement for Zener diode/resistor combinations
- Power pass element configurations for high-current regulators
Procurement Notes
Verify component authenticity through authorized STMicroelectronics distributors. Confirm the specific 'C' tolerance selection matches design requirements. Ensure proper PCB copper area utilization for heat dissipation due to the SO-8 package thermal characteristics. Validate RoHS compliance status prior to final procurement decisions.
Selection Notes
Select this component when a fixed 8 V output at 100 mA is required in a surface-mount format. Consider the ±8% output voltage tolerance inherent to the 'C' suffix variant. Evaluate thermal management needs based on the difference between input and output voltages and the expected load current.
Part Context
This part belongs to the L78Lxx family of low-power positive voltage regulators. The 'CD13TR' suffix indicates the SO-8 package type, the 'C' accuracy grade, and tape-and-reel packaging. It serves as a compact alternative to larger through-hole packages like TO-92 while maintaining similar regulatory functions.
Replacement Considerations
Direct replacements include other L78L08 variants such as L78L08ACD13TR (±4% tolerance) or L78L08ABD13TR (-40°C operating range). Cross-manufacturer equivalents like MC78L08ABDR2G may require verification of pinout and electrical parameter alignment.
