L7805C-D2TR

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The L7805C-D2TR is a positive linear voltage regulator from the STMicroelectronics L78xx series, designed for local card regulation. It provides a fixed 5 V output with a maximum load current of 1.5 A. The device accepts an input voltage up to 35 V and operates within a junction temperature range of 0°C to +125°C. It features internal thermal overload protection, short-circuit protection, and safe operating area (SOA) protection. The component is housed in a DPAK (TO-252-3) surface-mount package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Fixed 5 V output voltage with 1.5 A maximum current capability
• Integrated thermal shutdown and short-circuit protection circuits
• Safe Operating Area (SOA) protection prevents device failure under stress
• Surface-mount DPAK packaging for automated assembly

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Local on-board voltage regulation for electronic cards
• General-purpose power supply sections
• Battery chargers
• Offline converters

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the exact suffix against the manufacturer's official datasheet, as variations such as 'CDT' or 'CD2T' may indicate differences in temperature grade or specific tape-and-reel specifications. Confirm RoHS compliance status and ensure the ordering code matches the required DPAK package variant for your PCB footprint.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 5 V rail is required with moderate current demands up to 1.5 A. Ensure the input voltage remains within the 35 V maximum limit and that adequate heatsinking is provided to manage power dissipation, as linear regulators convert excess voltage into heat. Verify that the ambient temperature does not exceed the specified operational limits.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the widely used L78xx family of three-terminal positive linear regulators. These devices are known for their simplicity, reliability, and built-in safety features. The L7805 variant specifically targets applications requiring a stable 5 V supply from higher voltage sources, serving as a fundamental building block in various consumer and industrial electronics designs.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Compatible substitutes include the L7805CDT-TR and L7805CV, which share the same electrical characteristics but differ in package type (DPAK vs. TO-220). Other manufacturers offer equivalent parts such as the MC7805CDT, though pinout and thermal performance should be verified before substitution.