MC7805BDTG: A Robust Linear Voltage Regulator for Reliable Power Management

The MC7805BDTG by onsemi is a high-performance, single-output linear voltage regulator designed to deliver stable 5V power with exceptional efficiency. This IC is part of onsemi's renowned 78xx series, offering reliable voltage regulation for a wide range of applications, from industrial automation to consumer electronics. Below, we explore its features, benefits, and why it's a top choice for engineers worldwide.

Product Overview

• Category: Integrated Circuits (ICs) > PMIC - Voltage Regulators - Linear
• Status: Active and in production
• Package: TO-252-3 (DPak), surface-mount

The MC7805BDTG is a fixed-output regulator, eliminating the need for external components to set the voltage. Its compact DPAK package ensures excellent thermal performance, making it suitable for space-constrained designs.

Detailed Specifications

Electrical Characteristics

• Output Voltage: Fixed 5V 2% accuracy
• Input Voltage Range: Up to 35V (max)
• Output Current: 1A continuous
• Dropout Voltage: 2V @ 1A (typical)
• Quiescent Current: 8mA (low power consumption)

Protection & Reliability

• Over-Temperature Protection: Prevents thermal damage
• Short-Circuit Protection: Safeguards against output faults
• Operating Temperature: -40 C to +125 C (industrial-grade)

Key Advantages

1. Wide Input Voltage Range: Handles input voltages up to 35V, making it versatile for various power supplies.
2. Low Dropout Voltage: Efficient operation even with input voltages close to 5V.
3. High Current Output: Delivers 1A, sufficient for most low-power applications.
4. Robust Protection: Built-in safeguards ensure long-term reliability.
5. Easy to Use: Fixed output requires no external adjustments.

Applications

The MC7805BDTG is widely used in:

• Consumer Electronics: Powering microcontrollers, sensors, and USB devices.
• Industrial Systems: Motor control, PLCs, and instrumentation.
• Automotive Electronics: Infotainment systems, lighting, and ECUs.
• Embedded Systems: Raspberry Pi, Arduino, and other development boards.

Design Considerations

For optimal performance:

• Use input and output capacitors (0.33 F and 0.1 F recommended) for stability.
• Ensure proper heat sinking for high-current applications.
• Place the regulator close to the load to minimize voltage drops.

Why Choose the MC7805BDTG?

onsemi's MC7805BDTG stands out due to its:

• Proven Reliability: Trusted by engineers for decades.
• Cost-Effectiveness: Affordable without compromising quality.
• Global Availability: Easily sourced worldwide.

For datasheets, pricing, and samples, visit our product page or contact onsemi's support team. Upgrade your power design with the MC7805BDTG today!