Overview
The MC79L05ACDR2G is a negative linear voltage regulator from onsemi, designed to provide a regulated negative voltage at a modest current level of up to 100 mA. This regulator is part of the MC79L00A Series, known for its ease of use and affordability. It features internal thermal overload protection and current limiting, making it a robust choice for various applications. The MC79L05ACDR2G is particularly useful for on-card regulation and offers significant advantages over traditional resistor/zener diode configurations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | -5.0 | V |
| Output Current (Typical) | 100 | mA |
| Input Voltage Range | -6.7 to -30 | Vdc |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | 1.7 | Vdc |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | 100 mV | mV |
| Ripple Rejection (f = 120 Hz, TJ = +25°C) | 49 dB | dB |
| Output Noise Voltage (10 Hz ≤ f ≤ 100 kHz, TA = +25°C) | 40 µVrms | µVrms |
| Operating Temperature Range | 0°C to +125°C | °C |
| Package Type | SOIC-8 (Pb-Free) |
Key Features
- No external components required for operation.
- Internal short circuit current limiting.
- Internal thermal overload protection.
- Low cost.
- Pb-Free packages available.
- Complementary positive regulators offered (MC78L00 Series).
Applications
The MC79L05ACDR2G is suitable for a variety of applications requiring a regulated negative voltage, including on-card regulation, industrial control systems, and any scenario where a stable negative voltage is necessary. It is particularly advantageous in replacing resistor/zener diode configurations due to its simplicity and reliability.
Q & A
- What is the nominal output voltage of the MC79L05ACDR2G?
The nominal output voltage is -5.0 V. - What is the maximum output current of the MC79L05ACDR2G?
The maximum output current is 100 mA. - What is the input voltage range for the MC79L05ACDR2G?
The input voltage range is from -6.7 V to -30 V. - What is the dropout voltage at 40 mA output current and 25°C junction temperature?
The dropout voltage is 1.7 V. - What is the load regulation of the MC79L05ACDR2G at 25°C?
The load regulation is 100 mV for 1.0 mA ≤ IO ≤ 100 mA. - What is the ripple rejection at 120 Hz and 25°C?
The ripple rejection is 49 dB. - What is the output noise voltage in the frequency range of 10 Hz to 100 kHz at 25°C?
The output noise voltage is 40 µVrms. - What is the operating temperature range of the MC79L05ACDR2G?
The operating temperature range is from 0°C to +125°C. - In what package types is the MC79L05ACDR2G available?
The MC79L05ACDR2G is available in SOIC-8 (Pb-Free) packages. - Does the MC79L05ACDR2G require external components for operation?
No, the MC79L05ACDR2G does not require external components for operation.
