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Product Detailed Parameters
- Description：IC REG LINEAR 24V 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)：40V
- Voltage - Output (Min/Fixed)：24V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：100mA
- Current - Quiescent (Iq)：5.5 mA
- Current - Supply (Max)：6 mA
- PSRR：37dB (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：-
Download product information
Overview
The L78L24CD-TR is a three-terminal positive linear voltage regulator from the STMicroelectronics L78L series, housed in an 8-SOIC surface-mount package. It provides a fixed output voltage of 24 V with a maximum output current capability of 100 mA. The device supports a maximum DC input voltage of 40 V and operates within a junction temperature range of 0 to 125 °C. It incorporates internal thermal overload protection and short-circuit protection mechanisms.
Feature Summary
- Integrates internal current limiting and thermal shutdown for robust operation
- Provides fixed voltage regulation without requiring external components
- Designed for local or on-card regulation applications
Applications
- Local or on-card voltage regulation
- Replacement for Zener diode and resistor combinations
- Construction of high-current voltage regulators using power pass elements
Procurement Notes
Verify that the ordering suffix 'CD' corresponds to the SO-8 package and ±8% output voltage tolerance as specified in the official datasheet. Confirm the component matches the required operating temperature range and pin configuration before integration into the design.
Selection Notes
Select this component when a fixed 24 V output is required with up to 100 mA load capacity in a compact surface-mount form factor. Ensure the input voltage does not exceed the 40 V absolute maximum rating and that adequate PCB copper area is available for heat dissipation given the package's thermal resistance characteristics.
Part Context
This part belongs to the L78Lxx series of three-terminal positive regulators manufactured by STMicroelectronics. The series is designed to deliver up to 100 mA across various fixed output voltages, offering improved performance over discrete Zener/resistor solutions with lower quiescent current and noise.
FAQ
What is the output voltage tolerance for the L78L24CD-TR?
The 'C' designation indicates an output voltage tolerance of ±8%.
Does the L78L24CD-TR require external capacitors for stability?
No external components are required for basic operation, though typical application circuits may include input and output capacitors as recommended in the datasheet test circuits.
