Overview
The MC79L15ACDR2G is a part of the MC79L00A Series of negative linear voltage regulators produced by onsemi. This device is designed to be inexpensive and easy to use, making it suitable for numerous applications that require up to 100 mA of current. It is particularly useful for on-card regulation or any application where a regulated negative voltage at a modest current level is necessary. The MC79L15ACDR2G offers several advantages over traditional resistor/zener diode approaches, including internal short circuit current limiting and thermal overload protection, which enhance its ruggedness and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | -15 | Vdc |
| Output Voltage Tolerance | 4% | - |
| Operating Temperature Range | 0°C to +125°C | - |
| Input Voltage Range | -17.5 Vdc to -30 Vdc | - |
| Maximum Input Voltage | -35 Vdc | - |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | 1.7 Vdc | - |
| Load Regulation (1.0 mA ≤ IO ≤ 100 mA, TJ = +25°C) | 150 mV | - |
| Input Bias Current (TJ = +25°C) | 6.5 mA | - |
| Thermal Resistance, Junction-to-Ambient (SOIC-8) | 83 °C/W | - |
| Package Type | SOIC-8 (Pb-Free) | - |
| Shipping Quantity | 2500 / Tape & Reel | - |
Key Features
- No external components required for operation
- Internal short circuit current limiting
- Internal thermal overload protection
- Low cost
- Complementary positive regulators available (MC78L00 Series)
- Pb-Free packages available
Applications
The MC79L15ACDR2G is suitable for various applications requiring a regulated negative voltage at a modest current level. These include:
- On-card regulation in electronic devices
- Power supplies requiring negative voltage regulation
- Audio and video equipment where stable negative voltages are necessary
- Industrial control systems and instrumentation
Q & A
- What is the nominal output voltage of the MC79L15ACDR2G?
The nominal output voltage is -15 Vdc.
- What is the operating temperature range of the MC79L15ACDR2G?
The operating temperature range is 0°C to +125°C.
- What is the maximum input voltage for the MC79L15ACDR2G?
The maximum input voltage is -35 Vdc.
- Does the MC79L15ACDR2G require external components for operation?
No, the MC79L15ACDR2G does not require external components for operation.
- What type of package is the MC79L15ACDR2G available in?
The MC79L15ACDR2G is available in an SOIC-8 (Pb-Free) package.
- What is the dropout voltage of the MC79L15ACDR2G at 40 mA output current?
The dropout voltage is 1.7 Vdc at 40 mA output current.
- What is the load regulation of the MC79L15ACDR2G?
The load regulation is 150 mV for 1.0 mA ≤ IO ≤ 100 mA at TJ = +25°C.
- Does the MC79L15ACDR2G have thermal overload protection?
- What is the thermal resistance, junction-to-ambient, for the SOIC-8 package?
The thermal resistance, junction-to-ambient, is 83 °C/W for the SOIC-8 package.
- How many units are shipped per reel for the MC79L15ACDR2G?
The MC79L15ACDR2G is shipped in quantities of 2500 units per reel.
