Overview
The MC79L15ACPG is a negative linear voltage regulator produced by onsemi. It is an inexpensive and easy-to-use device, suitable for various applications requiring up to 100 mA of current. This regulator is part of the MC79L00A Series, which is known for its ruggedness and reliability, featuring internal thermal shutdown and current limiting. The MC79L15ACPG is particularly useful for on-card regulation or any application where a regulated negative voltage is needed at a modest current level.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | -15 | Vdc |
| Output Current (Typical) | 100 | mA |
| Input Voltage Range | -17.5 to -30 | Vdc |
| Temperature Range | 0°C to +125°C | °C |
| Package Type | TO-92 | |
| Thermal Resistance (Junction-to-Ambient) | 160 | °C/W |
| Thermal Resistance (Junction-to-Case) | 45 | °C/W |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | 1.7 | Vdc |
| 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 MC79L15ACPG operates without the need for additional external components in most applications.
- Internal Short Circuit Current Limiting: Protects the device from short circuit conditions.
- Internal Thermal Overload Protection: Shuts down the circuit when subjected to excessive power overload conditions.
- Low Cost: An economical solution for negative voltage regulation needs.
- 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 dual-voltage applications.
Applications
The MC79L15ACPG is suitable for a variety of applications, including:
- On-Card Regulation: Ideal for regulating negative voltages directly on the circuit board.
- Industrial Equipment: Used in various industrial applications where a stable negative voltage is required.
- Consumer Electronics: Suitable for consumer electronics that need a reliable negative voltage source.
- Automotive Systems: Can be used in automotive systems that require regulated negative voltages.
Q & A
- What is the nominal output voltage of the MC79L15ACPG?
The nominal output voltage is -15 Vdc.
- What is the maximum output current of the MC79L15ACPG?
The maximum output current is 100 mA.
- What is the input voltage range for the MC79L15ACPG?
The input voltage range is from -17.5 Vdc to -30 Vdc.
- What is the operating temperature range of the MC79L15ACPG?
The operating temperature range is from 0°C to +125°C.
- What type of package does the MC79L15ACPG come in?
The MC79L15ACPG comes in a TO-92 package.
- Does the MC79L15ACPG require external components for operation?
No, in most applications, no external components are required.
- What protection features does the MC79L15ACPG have?
The MC79L15ACPG has internal short circuit current limiting and internal thermal overload protection.
- What is the dropout voltage of the MC79L15ACPG at 40 mA output current?
The dropout voltage is 1.7 Vdc at 40 mA output current.
- What is the ripple rejection of the MC79L15ACPG at 120 Hz?
The ripple rejection is 41 dB at 120 Hz.
- Is the MC79L15ACPG lead-free?
