Overview
The MC79L05ABPG is a negative linear voltage regulator from onsemi, designed to provide a regulated negative voltage output of -5V with a maximum current of 100 mA. This device is part of the MC79L00A Series, known for its ease of use and affordability. It features internal thermal shutdown and current limiting, making it robust and reliable for various applications. The regulator does not require external components for operation, offering a simple and efficient solution for on-card regulation or any application needing a modest current level of regulated negative voltage.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | -5.0 | V |
| Maximum Output Current | 100 | mA |
| Input Voltage Range | -30 to -6.7 | Vdc |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | TO-92 | |
| Thermal Resistance, Junction-to-Ambient | 200 | °C/W |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | 1.7 | Vdc |
| Ripple Rejection (f = 120 Hz, TJ = +25°C) | 40 | dB |
| Output Noise Voltage (10 Hz ≤ f ≤ 100 kHz) | 200 | µVrms |
Key Features
- No external components required for operation.
- Internal short circuit current limiting and thermal overload protection.
- Low cost and Pb-free packages available.
- Complementary positive regulators offered (MC78L00 Series).
- High ripple rejection ratio (40 dB at 120 Hz).
- Low output noise voltage (200 µVrms).
Applications
The MC79L05ABPG is suitable for various applications requiring a regulated negative voltage at a modest current level. These include:
- On-card regulation.
- Industrial control systems.
- Consumer electronics.
- Automotive systems.
- Any application where a regulated negative voltage is necessary.
Q & A
- What is the nominal output voltage of the MC79L05ABPG?
The nominal output voltage is -5.0 V.
- What is the maximum output current of the MC79L05ABPG?
The maximum output current is 100 mA.
- What is the operating temperature range of the MC79L05ABPG?
The operating temperature range is -40°C to +125°C.
- Does the MC79L05ABPG require external components for operation?
No, it does not require external components for operation.
- What type of package is the MC79L05ABPG available in?
The MC79L05ABPG is available in a TO-92 package.
- What is the thermal resistance, junction-to-ambient, of the MC79L05ABPG?
The thermal resistance, junction-to-ambient, is 200 °C/W.
- What is the dropout voltage of the MC79L05ABPG at an output current of 40 mA and junction temperature of +25°C?
The dropout voltage is 1.7 Vdc.
- What is the ripple rejection ratio of the MC79L05ABPG at 120 Hz and +25°C junction temperature?
The ripple rejection ratio is 40 dB.
- What is the output noise voltage of the MC79L05ABPG over the frequency range of 10 Hz to 100 kHz?
The output noise voltage is 200 µVrms.
- Are Pb-free packages available for the MC79L05ABPG?
