MC7815CTG: The Ultimate 15V Linear Voltage Regulator for Precision Power Management

The MC7815CTG from onsemi represents the gold standard in linear voltage regulation, delivering exceptional performance for mission-critical applications. As part of onsemi's renowned power management IC portfolio, this regulator combines industrial-grade reliability with advanced features that make it indispensable for engineers designing power supplies across multiple industries.

In-Depth Technical Specifications

Voltage Regulation Excellence

This fixed-output regulator maintains a rock-solid 15V output with remarkable precision, featuring:

• Wide input voltage range (up to 35V) for versatile application
• Minimal 2V dropout voltage at full 1A load
• Outstanding 58dB PSRR at 120Hz for superior noise rejection

Robust Power Delivery

The MC7815CTG delivers 1A continuous output current with:

• Only 6.5mA quiescent current for improved efficiency
• Thermal overload protection that activates at 125 C
• Built-in current limiting for short-circuit protection

Advanced Thermal Management

The TO-220-3 package provides superior thermal characteristics:

• Low thermal resistance (5 C/W junction-to-case)
• Compatible with standard heatsinks
• Wide operating temperature range (0 C to 125 C)

Application-Specific Advantages

Industrial Applications

Perfect for factory automation equipment, PLCs, and industrial controllers where stable voltage is critical for:

• Sensor interfaces
• Control circuitry
• Motor driver stages

Automotive Electronics

Reliable performance for vehicle systems including:

• Infotainment systems
• ECU power supplies
• LED lighting drivers

Consumer Electronics

Ideal for home appliances and entertainment devices requiring:

• Clean power for analog circuits
• Stable voltage for digital ICs
• Reliable operation in varying conditions

Design Considerations

For optimal performance with the MC7815CTG:

• Use 0.33 F input and 0.1 F output capacitors for stability
• Maintain adequate PCB copper area for heat dissipation
• Consider derating at high ambient temperatures

Why Choose MC7815CTG?

This regulator outperforms competitors with:

• onsemi's proven manufacturing quality
• 35-year legacy of voltage regulator expertise
• Compliance with industrial standards
• Global availability and supply chain support

Conclusion

The MC7815CTG stands as the premier choice for 15V regulation, offering unmatched reliability for demanding applications. Its combination of precise voltage control, robust protection features, and industrial-grade construction makes it the go-to solution for engineers worldwide. For your next power supply design, trust the MC7815CTG to deliver performance you can count on.

Available now through authorized distributors with full technical support. Contact our engineering team for application-specific guidance or visit our product page for detailed documentation.