Overview
The MC79L15ABPG is a negative linear voltage regulator from ON Semiconductor, designed to provide a regulated negative voltage output. This device is part of the MC79L00A Series, which is known for its ease of use and suitability for various applications requiring up to 100 mA of current. The MC79L15ABPG is particularly useful for on-card regulation or any scenario where a stable negative voltage is necessary at a modest current level.
It features internal thermal overload protection and current limiting, making it robust and reliable. The regulator does not require external components for operation, which simplifies the design process. It is available in Pb-free packages, including the TO-92 package type, making it environmentally friendly and compliant with modern manufacturing standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | -15 | Vdc |
| Output Voltage Tolerance | 4% | |
| Operating Temperature Range | -40°C to +125°C | |
| Package Type | TO-92 (Pb-Free) | |
| Maximum Input Voltage | -35 Vdc | |
| Maximum Output Current | 100 mA | |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | 1.7 Vdc | |
| Input Bias Current (TJ = +25°C) | 6.0 mA | |
| Ripple Rejection (f = 120 Hz, TJ = +25°C) | 41 dB | |
| Output Noise Voltage (10 Hz ≤ f ≤ 100 kHz) | 40 µV |
Key Features
- No External Components Required: The regulator can operate without the need for additional external components, simplifying the design and reducing the overall cost.
- Internal Short Circuit Current Limiting: Protects the device from short circuit conditions, ensuring reliability and longevity.
- Internal Thermal Overload Protection: Automatically shuts down the circuit in case of excessive power overload, preventing damage to the device.
- Low Cost: Offers a cost-effective solution for applications requiring regulated negative voltage.
- Pb-Free Packages: Available in lead-free packages, making it compliant with environmental regulations.
- Complementary Positive Regulators: The MC78L00 Series offers complementary positive regulators for applications requiring both positive and negative voltage regulation.
Applications
The MC79L15ABPG is versatile and can be used in a variety of applications, including:
- On-Card Regulation: Ideal for regulating voltage on printed circuit boards where a stable negative voltage is required.
- Industrial Control Systems: Suitable for use in industrial control systems that need reliable and stable negative voltage supplies.
- Consumer Electronics: Can be used in consumer electronics where a regulated negative voltage is necessary, such as in audio equipment or other electronic devices.
- Automotive Systems: Applicable in automotive systems that require stable negative voltage supplies.
Q & A
- What is the nominal output voltage of the MC79L15ABPG?
The nominal output voltage of the MC79L15ABPG is -15 Vdc.
- What is the maximum output current of the MC79L15ABPG?
The maximum output current of the MC79L15ABPG is 100 mA.
- What type of package is the MC79L15ABPG available in?
The MC79L15ABPG is available in a TO-92 (Pb-Free) package.
- Does the MC79L15ABPG require external components for operation?
No, the MC79L15ABPG does not require external components for operation.
- What is the dropout voltage of the MC79L15ABPG at 40 mA output current?
The dropout voltage of the MC79L15ABPG at 40 mA output current is 1.7 Vdc.
- What is the ripple rejection of the MC79L15ABPG at 120 Hz?
The ripple rejection of the MC79L15ABPG at 120 Hz is 41 dB.
- What is the operating temperature range of the MC79L15ABPG?
The operating temperature range of the MC79L15ABPG is -40°C to +125°C.
- Does the MC79L15ABPG have internal thermal overload protection?
Yes, the MC79L15ABPG has internal thermal overload protection.
- Is the MC79L15ABPG available in Pb-free packages?
Yes, the MC79L15ABPG is available in Pb-free packages.
- What is the input bias current of the MC79L15ABPG at +25°C?
The input bias current of the MC79L15ABPG at +25°C is 6.0 mA.
