Overview
The MC7905BD2TG is a negative voltage regulator from onsemi, designed to provide a stable output voltage of -5V with a maximum current of 1A. This linear voltage regulator is part of the MC7900 series, known for its reliability and robust performance. The device is packaged in a D2PAK (TO-263) surface-mount package, making it suitable for a variety of applications requiring negative voltage regulation.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | -5.0 | -5.2 | -5.4 | Vdc |
| Input Voltage Range | -7 | -35 | V | |
| Output Current | 1 | A | ||
| Line Regulation (TJ = +25°C, IO = 100 mA) | 8.0 | mV | ||
| Load Regulation (TJ = +25°C, 5.0 mA ≤ IO ≤ 1.5 A) | 12 | mV | ||
| Input Bias Current (TJ = +25°C) | 4.3 | 8.0 | mA | |
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | 42 | μV | ||
| Ripple Rejection (IO = 20 mA, f = 120 Hz) | 68 | dB | ||
| Dropout Voltage (IO = 1.0 A, TJ = +25°C) | 1.3 | Vdc | ||
| Average Temperature Coefficient of Output Voltage | -1.0 | mV/°C | ||
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- Fixed Output Voltage: Provides a stable output voltage of -5V.
- High Current Capability: Can supply up to 1A of output current.
- Line and Load Regulation: Excellent line and load regulation ensure stable output voltage across various input and load conditions.
- Low Dropout Voltage: A dropout voltage of 1.3V at 1A output current.
- High Ripple Rejection: Offers high ripple rejection ratio, making it suitable for noise-sensitive applications.
- ESD Protection: Includes ESD protection, exceeding Human Body Model 2000V and Machine Model 200V tests.
- Compact Packaging: Available in D2PAK (TO-263) surface-mount package, ideal for space-constrained designs.
Applications
- Power Supplies: Used in power supply circuits requiring negative voltage regulation.
- Industrial Control Systems: Suitable for industrial control systems that need stable negative voltage supplies.
- Telecommunications Equipment: Employed in telecommunications equipment for reliable voltage regulation.
- Medical Devices: Used in medical devices that require precise and stable negative voltage supplies.
- Automotive Systems: Can be used in automotive systems where negative voltage regulation is necessary.
Q & A
- What is the output voltage of the MC7905BD2TG?
The output voltage of the MC7905BD2TG is -5V.
- What is the maximum output current of the MC7905BD2TG?
The maximum output current is 1A.
- What is the input voltage range for the MC7905BD2TG?
The input voltage range is from -7V to -35V.
- What is the dropout voltage of the MC7905BD2TG at 1A output current?
The dropout voltage is 1.3V at 1A output current.
- Does the MC7905BD2TG have ESD protection?
Yes, it includes ESD protection exceeding Human Body Model 2000V and Machine Model 200V tests.
- What is the operating temperature range of the MC7905BD2TG?
The operating temperature range is from -40°C to 125°C.
- What is the ripple rejection ratio of the MC7905BD2TG?
The ripple rejection ratio is 68 dB at 20 mA output current and 120 Hz frequency.
- What package type is the MC7905BD2TG available in?
The MC7905BD2TG is available in a D2PAK (TO-263) surface-mount package.
- What are some common applications of the MC7905BD2TG?
Common applications include power supplies, industrial control systems, telecommunications equipment, medical devices, and automotive systems.
- How does the MC7905BD2TG handle line and load regulation?
The MC7905BD2TG has excellent line and load regulation, ensuring stable output voltage across various input and load conditions.
