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Product Detailed Parameters
- Description：IC REG LINEAR 24V 100MA 8-SOIC
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- 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：-
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Overview
The L78L24CD is a three-terminal positive linear voltage regulator from the L78L series, manufactured by STMicroelectronics. It provides a fixed output voltage of 24 V with an output current capability up to 100 mA. The device features ±8% output voltage tolerance and operates within a junction temperature range of 0 °C to 125 °C. It supports a maximum DC input voltage of 40 V for this output level. The component is housed in an SO-8 surface-mount package.
Feature Summary
- Integrates internal thermal overload protection and short-circuit protection mechanisms.
- Designed for local on-card regulation to eliminate noise and distribution issues associated with single-point regulation.
- Requires no external components for basic operation.
Applications
- Local or on-card voltage regulation
- Replacement for Zener diode/resistor combinations
- Power pass element integration for high-current regulators
Procurement Notes
Verify the specific suffix 'CD' corresponds to the SO-8 package and ±8% tolerance variant when sourcing. Confirm that the ordering code matches the required pin configuration and thermal characteristics for the target PCB layout. Ensure compatibility with the intended operating temperature range.
Selection Notes
Select this component for applications requiring a fixed 24 V supply with moderate current demands up to 100 mA. Consider the SO-8 package for surface-mount assembly needs. Evaluate thermal dissipation requirements based on the input-output voltage differential and load current to ensure operation within the specified junction temperature limits.
Part Context
This part belongs to the L78Lxx series of low-power positive voltage regulators. The series offers various fixed output voltages and is characterized by its robustness against overload conditions. The L78L24CD specifically denotes the 24 V output version packaged in SO-8 with standard commercial grade accuracy.
Replacement Considerations
L78L24ACD (±4% tolerance)
FAQ
What is the maximum DC input voltage allowed for the L78L24CD?
The maximum DC input voltage is 40 V.
Does the L78L24CD require external capacitors for operation?
No external components are strictly required for basic operation, though typical application circuits may include input and output capacitors for stability.
