Overview
The MC79L05ACPRPG is a negative linear voltage regulator from onsemi, designed to provide a regulated negative voltage output. This device is part of the MC79L00A Series, which is known for its ease of use and ruggedness. It is suitable for various applications requiring up to 100 mA of current. The regulator features internal thermal shutdown and current limiting, making it highly reliable and robust. It is particularly useful for on-card regulation or any application where a regulated negative voltage at a modest current level is necessary, offering significant advantages over traditional resistor/Zener diode configurations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (TJ = +25°C) | -14.4 to -15.6 | Vdc |
| Input Voltage Range | -17.5 to -30 Vdc | Vdc |
| Output Current (Typical) | 100 mA | mA |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | -1.7 Vdc | Vdc |
| Temperature Range | 0°C to +125°C | °C |
| Package Type | TO-92 | |
| Thermal Resistance, Junction-to-Ambient | 160 °C/W | °C/W |
| Power Dissipation | Internally Limited | W |
| Ripple Rejection (RR) at 120 Hz | 31 to 47 dB | dB |
| Output Noise Voltage (10 Hz to 100 kHz) | 200 µVrms | µVrms |
Key Features
- No external components required for operation.
- Internal short circuit current limiting.
- Internal thermal overload protection.
- Low cost.
- Complementary positive regulators available (MC78L00 Series).
- Pb-free packages available.
Applications
The MC79L05ACPRPG is suitable for a variety of applications, including:
- On-card regulation.
- Any application requiring a regulated negative voltage at a modest current level.
- Industrial applications where reliability and robustness are critical.
- Replacement for resistor/Zener diode voltage regulation circuits.
Q & A
- What is the output voltage range of the MC79L05ACPRPG?
The output voltage range is -14.4 to -15.6 Vdc at TJ = +25°C.
- What is the maximum output current of the MC79L05ACPRPG?
The maximum output current is 100 mA.
- What are the key protection features of the MC79L05ACPRPG?
The device features internal short circuit current limiting and internal thermal overload protection.
- Do I need external components to operate the MC79L05ACPRPG?
No, in most applications, no external components are required for operation.
- What is the temperature range for the MC79L05ACPRPG?
The temperature range is 0°C to +125°C.
- What package types are available for the MC79L05ACPRPG?
The device is available in TO-92 packages.
- What is the ripple rejection of the MC79L05ACPRPG?
The ripple rejection (RR) at 120 Hz is 31 to 47 dB.
- What is the output noise voltage of the MC79L05ACPRPG?
The output noise voltage is 200 µVrms over the 10 Hz to 100 kHz frequency range.
- Are Pb-free packages available for the MC79L05ACPRPG?
- What are some common applications for the MC79L05ACPRPG?
