Overview
The MC79L05ACPRAG is a standard negative voltage regulator produced by onsemi. It belongs to the MC79L00A Series, which are inexpensive and easy-to-use devices suitable for various applications requiring up to 100 mA of current. This specific model is designed to provide a fixed negative output voltage of -5V with a maximum current of 0.1A. The regulator is packaged in a 3-pin TO-92 through-hole configuration, making it versatile for a range of electronic designs.
The MC79L05ACPRAG is compliant with industry standards such as EU RoHS (2011/65/EU, 2015/863) and has a long introduction date, indicating its reliability and widespread use since January 15, 1997.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | -4.8 | -5 | -5.2 | Vdc |
| Input Voltage Range | -7 | -10 | -20 | Vdc |
| Input Regulation (TJ = +25°C) | - | 150 | 200 | mV |
| Load Regulation (TJ = +25°C, 1 mA ≤ IO ≤ 100 mA) | - | 60 | - | mV |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | - | 1.7 | - | Vdc |
| Ripple Rejection (f = 120 Hz, TJ = +25°C) | 40 | 49 | - | dB |
| Power Dissipation (TA = 25°C) | - | 625 | - | mW |
| Thermal Resistance, Junction-to-Ambient | - | 200 | - | °C/W |
| Junction Temperature Range | 0 | - | 125 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
Key Features
- Fixed Negative Output Voltage: Provides a stable -5V output voltage.
- Current Capability: Supports up to 0.1A of output current.
- Thermal Overload Protection: Automatically shuts down the circuit in case of excessive power overload.
- Internal Short Circuit Protection: Protects against short circuit conditions.
- Low Dropout Voltage: Ensures minimal voltage drop between input and output, typically 1.7V at 40mA.
- High Ripple Rejection: Effective in rejecting ripple noise, with a ripple rejection ratio of up to 49dB.
- Compact Packaging: Available in a 3-pin TO-92 through-hole package, suitable for various board designs.
Applications
The MC79L05ACPRAG is suitable for a wide range of applications that require a stable negative voltage supply. These include:
- Power Supplies: Used in power supply circuits to regulate negative voltages.
- Audio Equipment: Often used in audio circuits to provide a stable negative voltage for operational amplifiers and other components.
- Industrial Control Systems: Employed in industrial control systems where a reliable negative voltage source is necessary.
- Consumer Electronics: Found in various consumer electronics requiring regulated negative voltages.
- Automotive Systems: Though not AEC qualified, it can be used in non-critical automotive applications where a negative voltage regulator is needed.
Q & A
- What is the output voltage of the MC79L05ACPRAG?
The output voltage of the MC79L05ACPRAG is -5V.
- What is the maximum current output of the MC79L05ACPRAG?
The maximum current output is 0.1A.
- What is the typical dropout voltage of the MC79L05ACPRAG?
The typical dropout voltage is 1.7V at 40mA.
- What is the ripple rejection ratio of the MC79L05ACPRAG?
The ripple rejection ratio is up to 49dB.
- What type of thermal protection does the MC79L05ACPRAG have?
The MC79L05ACPRAG has thermal overload protection that shuts down the circuit in case of excessive power overload.
- What is the junction temperature range of the MC79L05ACPRAG?
The junction temperature range is from 0°C to 125°C.
- Is the MC79L05ACPRAG RoHS compliant?
Yes, the MC79L05ACPRAG is RoHS compliant (2011/65/EU, 2015/863).
- What is the storage temperature range for the MC79L05ACPRAG?
The storage temperature range is from -65°C to 150°C.
- What type of packaging does the MC79L05ACPRAG come in?
The MC79L05ACPRAG comes in a 3-pin TO-92 through-hole package.
- What are some common applications for the MC79L05ACPRAG?
Common applications include power supplies, audio equipment, industrial control systems, and consumer electronics.
