Overview
The MC79L05AILP is a fixed negative-voltage integrated-circuit voltage regulator produced by Texas Instruments. This device is part of the MC79L00 series, designed for a wide range of applications. It features internal current-limiting and thermal-shutdown capabilities, making it immune to overload. The MC79L05AILP can deliver up to 100 mA of output current and is an effective replacement for Zener-diode and resistor combinations, offering improved output impedance and lower bias current.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | -5 | V |
| Output Voltage Tolerance | ±0.4 to ±0.6 | V |
| Input Voltage Range | -7 to -20 | V |
| Output Current | Up to 100 | mA |
| Operating Temperature Range | 0 to 125 | °C |
| Dropout Voltage | 1.7 | V |
| Bias Current at 25°C | 6 | mA |
| Bias Current at 125°C | 5.5 | mA |
| Ripple Rejection at 120 Hz | 40 to 49 | dB |
| Output Noise Voltage (10 Hz to 100 kHz) | 40 | µV |
| Package Type | TO-92 (LP) |
Key Features
- Internal current-limiting and thermal-shutdown features for overload protection.
- Delivers up to 100 mA of output current.
- Improved output impedance compared to Zener-diode and resistor combinations.
- Lower bias current.
- Wide operating temperature range from 0°C to 125°C.
- High ripple rejection (40 to 49 dB at 120 Hz).
- Low output noise voltage (40 µV from 10 Hz to 100 kHz).
Applications
The MC79L05AILP is suitable for various applications requiring stable negative voltage regulation, such as:
- Power supplies and voltage regulators.
- Audio and video equipment.
- Industrial control systems.
- Medical devices.
- Automotive electronics.
Q & A
- What is the nominal output voltage of the MC79L05AILP?
The nominal output voltage is -5 V. - What is the maximum output current of the MC79L05AILP?
The maximum output current is up to 100 mA. - What is the input voltage range for the MC79L05AILP?
The input voltage range is from -7 V to -20 V. - What are the operating temperature limits for the MC79L05AILP?
The operating temperature range is from 0°C to 125°C. - What is the dropout voltage of the MC79L05AILP?
The dropout voltage is 1.7 V. - How does the MC79L05AILP protect against overload?
The device features internal current-limiting and thermal-shutdown capabilities. - What is the ripple rejection of the MC79L05AILP at 120 Hz?
The ripple rejection is between 40 to 49 dB at 120 Hz. - What is the output noise voltage of the MC79L05AILP?
The output noise voltage is 40 µV from 10 Hz to 100 kHz. - In what package is the MC79L05AILP available?
The device is available in the TO-92 (LP) package. - What are some common applications for the MC79L05AILP?
Common applications include power supplies, audio and video equipment, industrial control systems, medical devices, and automotive electronics.
