Overview
The MC79L12ACPRAG is a negative linear voltage regulator from onsemi, designed to provide a regulated negative voltage at a modest current level. 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 and other applications where a stable negative voltage is necessary.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VO) | -12 to -12.5 | Vdc |
| Input Voltage Range (VI) | -13.7 to -35 | Vdc |
| Output Current (IO) | Up to 100 | mA |
| Dropout Voltage (VI-VO) | -1.7 | Vdc |
| Temperature Range | 0°C to +125°C | |
| Package Type | TO-92 | |
| Power Dissipation | Internally Limited | W |
| Thermal Resistance, Junction-to-Ambient | 160 | °C/W |
| Thermal Resistance, Junction-to-Case | 83 | °C/W |
| Ripple Rejection (RR) | 31 to 47 | dB |
| Output Noise Voltage (Vn) | 200 | µV rms |
Key Features
- No external components required for operation.
- Internal short circuit current limiting.
- Internal thermal overload protection.
- Low cost.
- Complementary positive regulators offered (MC78L00 Series).
- Pb-free packages are available.
Applications
The MC79L12ACPRAG is versatile and can be used in various applications, including:
- On-card regulation.
- Industrial control systems.
- Consumer electronics requiring stable negative voltage supplies.
- Automotive systems (with appropriate temperature range selections).
- Any application needing a regulated negative voltage at a modest current level.
Q & A
- What is the output voltage range of the MC79L12ACPRAG?
The output voltage range is -12 to -12.5 Vdc.
- What is the maximum output current of the MC79L12ACPRAG?
The maximum output current is up to 100 mA.
- What are the key protection features of the MC79L12ACPRAG?
The device features internal short circuit current limiting and internal thermal overload protection.
- What is the temperature range for the MC79L12ACPRAG?
The temperature range is 0°C to +125°C.
- What package types are available for the MC79L12ACPRAG?
The device is available in TO-92 packages.
- Does the MC79L12ACPRAG require external components for operation?
No, in most applications, no external components are required for operation.
- What is the dropout voltage of the MC79L12ACPRAG?
The dropout voltage is -1.7 Vdc.
- What is the ripple rejection of the MC79L12ACPRAG?
The ripple rejection is 31 to 47 dB.
- What is the output noise voltage of the MC79L12ACPRAG?
The output noise voltage is 200 µV rms.
- Are Pb-free packages available for the MC79L12ACPRAG?
