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Product Detailed Parameters
- Description：IC REG LINEAR 24V 500MA TO220
- 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：500mA
- Current - Quiescent (Iq)：6 mA
- Current - Supply (Max)：-
- PSRR：50dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：0°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220
- Grade：-
- Qualification：-
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Overview
The L78M24CV is a three-terminal positive linear voltage regulator from the STMicroelectronics L78M series. It provides a fixed output voltage of 24 V with a maximum output current of 500 mA. The device accepts an input voltage range from 26 V to 40 V and operates within a temperature range of 0°C to +125°C. Key electrical specifications include a typical quiescent current of 6 mA, line regulation of 100 mV, load regulation of 480 mV, and a power supply rejection ratio (PSRR) of 50 dB at 120 Hz. It is housed in a TO-220 package.
Feature Summary
- Provides local on-card regulation for stable 24 V output
- Integrates internal thermal shutdown protection against overheating
- Includes short circuit protection and safe area protection
- Delivers up to 500 mA continuous output current
Applications
- General-purpose power supplies requiring regulated 24 V DC
- Embedded systems needing local voltage stabilization
- Industrial control equipment power distribution
- Electronic circuits requiring overload and thermal protection
Procurement Notes
Verify the specific suffix 'CV' matches the required TO-220 package and commercial grade temperature rating. Confirm that the 500 mA current limit meets system requirements rather than the higher 1.5 A available in other series variants. Ensure adequate heat sinking is planned for operation near maximum load conditions.
Selection Notes
Select this component when a fixed 24 V output is required with moderate current demands up to 500 mA. It serves as a direct replacement for standard L78xx regulators where lower current capacity is acceptable. Consider the TO-220 through-hole package for manual assembly or high-power dissipation scenarios requiring robust mounting.
Part Context
This part belongs to the L78M series, which offers reduced current capability compared to the standard L78 series. While the L7824CP delivers 1.5 A, the L78M24CV is optimized for applications requiring 500 mA. Both share similar protection features but differ in thermal performance and package options.
Replacement Considerations
L7824ACV: Offers 1 A output current and tighter voltage tolerance. L78M24CDT-TR: Provides surface-mount TO-252 packaging with identical 500 mA performance.
