Overview
The MC79L05ACDRE4 is a fixed negative-voltage integrated-circuit voltage regulator produced by Texas Instruments. This component is part of the MC79L00 series, designed for a wide range of applications, including on-card regulation to eliminate noise and distribution problems associated with single-point regulation. It can also be used to control series pass elements in high-current voltage-regulator circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | -5 | V |
| Output Voltage Tolerance | 5% | |
| Input Voltage Range | -7 to -20 | V |
| Output Current | Up to 100 | mA |
| Operating Junction Temperature | 0 to 125 | °C |
| Dropout Voltage | 1.7 | V |
| Bias Current | 6 (at 25°C), 5.5 (at 125°C) | mA |
| Input Regulation | 200 mV (VI = -7 V to -20 V) | mV |
| Ripple Rejection | 40 dB (VI = -8 V to -18 V, f = 120 Hz) | dB |
| Output Noise Voltage | 40 µV (f = 10 Hz to 100 kHz) | µV |
| Package Type | SOIC (D) | |
| Package Quantity | 2500 (reel) |
Key Features
- No external components required for operation.
- Internal thermal-overload protection and short-circuit current limiting.
- Direct replacement for industry-standard MC79L00 series.
- Available in 5% or 10% output voltage tolerance selections.
- Improved output impedance compared to Zener-diode and resistor combinations.
- Low bias current.
Applications
The MC79L05ACDRE4 is suitable for various applications, including:
- On-card regulation to eliminate noise and distribution problems.
- Control of series pass elements in high-current voltage-regulator circuits.
- Replacement for Zener-diode and resistor combinations to improve output impedance.
- General-purpose negative voltage regulation in electronic devices.
Q & A
- What is the nominal output voltage of the MC79L05ACDRE4?
The nominal output voltage is -5 V. - What is the maximum output current of the MC79L05ACDRE4?
The maximum output current is up to 100 mA. - What is the operating junction temperature range of the MC79L05ACDRE4?
The operating junction temperature range is 0 to 125°C. - Does the MC79L05ACDRE4 require external components for operation?
No, it does not require external components for operation. - What is the dropout voltage of the MC79L05ACDRE4?
The dropout voltage is 1.7 V. - What is the ripple rejection of the MC79L05ACDRE4?
The ripple rejection is 40 dB (VI = -8 V to -18 V, f = 120 Hz). - What is the output noise voltage of the MC79L05ACDRE4?
The output noise voltage is 40 µV (f = 10 Hz to 100 kHz). - In what package type is the MC79L05ACDRE4 available?
The MC79L05ACDRE4 is available in an SOIC (D) package. - How many units are typically included in a reel of MC79L05ACDRE4?
A reel typically includes 2500 units. - Is the MC79L05ACDRE4 still in production?
No, the MC79L05ACDRE4 is no longer manufactured and is considered obsolete.
