78M05 Positive Linear Voltage Regulator TO-252

78M05 is a three-terminal positive linear voltage regulator that provides a fixed 5V output from a higher input voltage source. Encased in a TO-252 surface-mount package, it is ideal for applications where compact, heat-efficient voltage regulation is required. This regulator ensures reliable and stable voltage for microcontrollers, sensors, and other 5V logic devices.

Key Features of 78M05 Positive Linear Voltage Regulator TO-252:

• Fixed 5V Output: Provides a constant 5V regulated voltage for logic and power circuits.
• Medium Current Capability: Delivers up to 500mA continuous output current with adequate heat dissipation.
• Thermal Shutdown: Internal circuitry protects against overheating conditions.
• Short-Circuit Protection: Prevents damage during output overload or short circuit.
• Surface-Mount Package: Compact TO-252 form for high-density PCB designs.

Technical Specifications of 78M05 Positive Linear Voltage Regulator TO-252:

• Output Voltage: 5V ±2%
• Input Voltage Range: 7V to 25V
• Output Current (I_OUT): Up to 500mA
• Dropout Voltage: 2V (typical at full load)
• Quiescent Current: 5mA (typical)
• Operating Temperature Range: 0°C to +125°C

Mechanical Specifications of 78M05 Positive Linear Voltage Regulator TO-252:

• Package Type: TO-252 (DPAK) surface mount
• Lead Pitch: 2.3mm (typical)
• Number of Pins: 3 (Input, Ground, Output)
• Mounting Style: SMD (Surface-Mount Device)

Dimensions:

• Body Length: 6.7mm
• Body Width: 6.1mm
• Body Height: 2.3mm
• Lead Length: 1.2mm

Mounting Options:

• SMT Soldering: Compatible with standard SMD soldering processes.
• Heatsink Tab: Center tab for improved heat dissipation through PCB copper area.

Schematic Diagram, Connection, Wiring and Pinout of 78M05 TO-252:

• Pin 1 (Input): Connects to unregulated DC input voltage (7–25V).
• Pin 2 (Ground): Common ground for input and output.
• Pin 3 (Output): Provides regulated 5V output.
• Wiring: Place input and output capacitors (e.g., 0.33µF and 0.1µF) near the regulator for stability.

Datasheet of 78M05 Positive Linear Voltage Regulator TO-252:

• Download 78M05 Datasheet (PDF)

Applications of 78M05 Positive Linear Voltage Regulator TO-252:

• Microcontroller Power Supply: Provides stable voltage for 5V logic boards.
• Sensor Modules: Powers analog and digital sensors reliably.
• Embedded Systems: Supplies clean voltage for core and peripheral ICs.
• Industrial Control Systems: Used in control boards and low-voltage converters.
• DC-DC Regulation: Converts higher battery voltage to fixed 5V output.

Equivalent of 78M05 Positive Linear Voltage Regulator TO-252:

• LM7805CT: TO-220 version with same electrical specs.
• AMS1117-5.0: Low-dropout 5V regulator for compact designs.
• KA78M05: Equivalent 5V regulator with similar package and features.

Package Includes:

• 1 x 78M05 Positive Linear Voltage Regulator TO-252