MC78M05CDT

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

The MC78M05CDT is a three-terminal positive voltage regulator from the MC78M00 series by onsemi, housed in a DPAK-3 (TO-252) surface-mount package. It provides a fixed 5.0 V output with a maximum current of 500 mA. The device operates within an input voltage range up to 35 V and supports junction temperatures from 0°C to +125°C. Key electrical characteristics include a typical dropout voltage of 2.0 V at full load and internal protections against thermal overload and short circuits.

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

• Internal thermal overload protection shuts down the circuit during excessive power conditions.
• Internal short circuit current limiting protects the device under fault conditions.
• Output transistor safe-area compensation ensures ruggedness across operating ranges.
• Designed for local on-card voltage regulation without requiring external components.

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

• Local on-card voltage regulation
• Positive voltage supply lines
• Pre-regulator applications

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

Verify the specific suffix 'DT' corresponds to the DPAK-3 package configuration as defined in the official datasheet ordering information. Confirm that the component meets the required temperature range specifications for your application environment. Ensure compliance with RoHS directives if lead-free status is mandatory for your manufacturing process.

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

Select this regulator when a fixed 5 V output is required with moderate current capabilities up to 500 mA. Consider the DPAK-3 package for surface-mount designs where space is limited but adequate copper area is available for heat dissipation. Evaluate thermal resistance requirements based on the expected ambient temperature and power dissipation levels.

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

This component belongs to the MC78M00 series of medium-current positive voltage regulators. It shares functional similarities with the popular MC7800 series but is specified for half the output current. The series includes variants with different accuracy grades and temperature ranges, such as the MC78M00A for high accuracy and NCV prefixes for automotive applications.

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

MC78M05CDTRKG

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

What is the maximum input voltage for the MC78M05CDT?

The maximum input voltage rating is 35 Vdc for the 5.0 V output version.

Does the MC78M05CDT require external capacitors for operation?

No external components are strictly required for basic operation, though an input bypass capacitor is recommended if connected via long wires or if the load capacitance is large.