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Product Detailed Parameters
- Description：IC REG LINEAR 5V 500MA TO220FP
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：35V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：500mA
- Current - Quiescent (Iq)：6 mA
- Current - Supply (Max)：-
- PSRR：62dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：0°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：TO-220-3 Full Pack
- Supplier Device Package：TO-220FP
- Grade：-
- Qualification：-
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Overview
The L78M05CP is a three-terminal positive linear voltage regulator from the STMicroelectronics L78M series. It provides a fixed 5 V output with a maximum continuous current of 0.5 A. The device utilizes a TO-220 package for through-hole mounting and supports a maximum input voltage of 35 V. Internal protections include thermal overload shutdown, short-circuit protection, and safe operating area (SOA) limits. The component operates within a temperature range of 0 °C to 150 °C.
Feature Summary
- Provides local on-card regulation to eliminate distribution issues associated with single-point power supplies.
- Integrates internal current limiting, thermal shutdown, and safe area protection for robust operation.
- Designed as a fixed voltage regulator but allows for adjustable configurations using external components.
Applications
- Local on-card voltage regulation
- General-purpose linear power supply circuits
- Battery-powered systems requiring stable 5 V rails
Procurement Notes
Verify that the specific suffix 'CP' corresponds to the standard commercial grade TO-220 package variant. Confirm RoHS compliance status and exact thermal resistance values in the official datasheet before finalizing procurement specifications.
Selection Notes
Select this component when a fixed 5 V output with up to 0.5 A capacity is required. Ensure the application does not exceed the 35 V maximum input limit. Consider the TO-220 package size for adequate heat dissipation during high-load operations.
Part Context
This part belongs to the L78Mxx family of precision 500 mA regulators. Unlike the higher-current L78xx series, the L78M series is optimized for moderate current applications while maintaining similar protection features and fixed output voltage options across various packages.
Replacement Considerations
Compatible substitutes include the L78M05CV and L78M05ACDT-TR. Verify pinout compatibility and thermal performance characteristics when substituting between different package types such as TO-220 and DPAK.
