Overview
The MC79L05ABDG is a negative linear voltage regulator from onsemi, 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 MC79L05ABDG is particularly useful for on-card regulation or any application where a modest current level of regulated negative voltage is necessary.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | -5.0 | Vdc |
| Output Voltage Tolerance | 4% | |
| Operating Temperature Range | -40°C to +125°C | |
| Package Type | SOIC-8 (Pb-Free) | |
| Input Voltage Range | -6.7 to -30 Vdc | |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | 1.7 Vdc | |
| Thermal Resistance, Junction-to-Ambient | 160 °C/W (TO-92 Type), 83 °C/W (SOIC-8 Type) | |
| Maximum Power Dissipation | Internally Limited | W |
| Ripple Rejection (RR) at 120 Hz | 37 to 42 dB | |
| Noise Voltage (10 Hz to 100 kHz) | 200 µVrms |
Key Features
- No external components required for operation.
- Internal short circuit current limiting.
- Internal thermal overload protection.
- Low cost.
- Pb-Free packages available.
- Complementary positive regulators offered (MC78L00 Series).
Applications
The MC79L05ABDG is suitable for various applications requiring a regulated negative voltage at a modest current level. These include:
- On-card regulation.
- Any application where a regulated negative voltage is needed.
- Replacing resistor/zener diode voltage regulators due to its advantages in terms of simplicity and performance.
Q & A
- What is the nominal output voltage of the MC79L05ABDG?
The nominal output voltage is -5.0 Vdc.
- What is the operating temperature range of the MC79L05ABDG?
The operating temperature range is -40°C to +125°C.
- What package types are available for the MC79L05ABDG?
The device is available in SOIC-8 (Pb-Free) packages.
- What is the dropout voltage for the MC79L05ABDG at 40 mA output current?
The dropout voltage is 1.7 Vdc at IO = 40 mA and TJ = +25°C.
- Does the MC79L05ABDG require external components for operation?
No, the MC79L05ABDG does not require external components for operation.
- What are the thermal protection features of the MC79L05ABDG?
The device features internal thermal overload protection and short circuit current limiting.
- What is the ripple rejection of the MC79L05ABDG at 120 Hz?
The ripple rejection is 37 to 42 dB at 120 Hz.
- What is the noise voltage of the MC79L05ABDG?
The noise voltage is 200 µVrms over the frequency range of 10 Hz to 100 kHz.
- Is the MC79L05ABDG Pb-Free?
- Are there complementary positive regulators available for the MC79L05ABDG?
