Overview
The MC79L12ABDG is a fixed negative voltage regulator produced by onsemi. This component is part of the MC79L00A Series, known for its ease of use and affordability. It is designed to provide a stable negative output voltage, making it suitable for various applications that require up to 100 mA of current.
The regulator features internal thermal overload protection and short circuit protection, ensuring reliable operation under adverse conditions. It is available in several package types, including SOIC-8 and TO-92, to accommodate different design requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | -12 | Vdc |
| Output Voltage Range (TJ = +25°C) | -11.5 to -12.5 | Vdc |
| Maximum Output Current | 100 | mA |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | 1.7 | Vdc |
| Input Regulation (TJ = +25°C) | -14.5 to -27 Vdc | Vdc |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | 200 mV | mV |
| Thermal Resistance, Junction-to-Ambient (SOIC-8 Type) | 160 | °C/W |
| Thermal Resistance, Junction-to-Case (SOIC-8 Type) | 45 | °C/W |
| Operating Temperature Range | 0°C to +125°C | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Package Type | SOIC-8, TO-92 |
Key Features
- Fixed negative output voltage of -12V
- Maximum output current of 100 mA
- Internal thermal overload protection and short circuit protection
- Low dropout voltage of 1.7 V at 40 mA output current
- Good line and load regulation
- Available in SOIC-8 and TO-92 packages
- Compliant with EU RoHS and other industry standards
Applications
The MC79L12ABDG is suitable for a variety of applications requiring a stable negative voltage supply. These include:
- Power supplies and voltage regulators in electronic devices
- Audio and video equipment requiring negative voltage rails
- Industrial control systems and automation
- Medical devices and equipment
- Telecommunication systems and networking equipment
Q & A
- What is the nominal output voltage of the MC79L12ABDG?
The nominal output voltage is -12V.
- What is the maximum output current of the MC79L12ABDG?
The maximum output current is 100 mA.
- What type of protection does the MC79L12ABDG have?
The MC79L12ABDG has internal thermal overload protection and short circuit protection.
- What is the dropout voltage at 40 mA output current?
The dropout voltage is 1.7 V at 40 mA output current.
- What are the available package types for the MC79L12ABDG?
The available package types are SOIC-8 and TO-92.
- Is the MC79L12ABDG compliant with EU RoHS?
Yes, the MC79L12ABDG is compliant with EU RoHS.
- What is the operating temperature range of the MC79L12ABDG?
The operating temperature range is 0°C to +125°C.
- What is the storage temperature range of the MC79L12ABDG?
The storage temperature range is -65 to +150°C.
- What are some common applications of the MC79L12ABDG?
Common applications include power supplies, audio and video equipment, industrial control systems, medical devices, and telecommunication systems.
- How does the MC79L12ABDG regulate input voltage variations?
The MC79L12ABDG has good line regulation, maintaining a stable output voltage over a range of input voltages.
