Overview
The MC78L09ACDR2 is a 9V, 100 mA positive voltage regulator produced by onsemi. This linear voltage regulator is part of the MC78L00A series and is designed to provide a stable output voltage with minimal noise and high ripple rejection. It is available in an 8-pin SOIC package, making it suitable for a variety of applications where space is limited.
This regulator is known for its high performance and reliability, making it a popular choice in electronic designs that require stable voltage regulation.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | 8.6 | 9.0 | 9.4 | Vdc |
| Line Regulation (TJ = +25°C, IO = 40 mA) | - | - | 125 | mV |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | - | - | 90 | mV |
| Input Bias Current (TJ = +25°C) | - | - | 6.0 | mA |
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | - | - | 60 | μV |
| Ripple Rejection (IO = 40 mA, f = 120 Hz, 13 V ≤ VI ≤ 24 V, TJ = +25°C) | 37 | 57 | - | dB |
| Dropout Voltage (TJ = +25°C) | - | - | 1.7 | Vdc |
Key Features
- Stable Output Voltage: Provides a stable 9V output voltage with minimal variation over a range of input voltages and load conditions.
- High Ripple Rejection: Offers high ripple rejection, ensuring a clean output voltage even in noisy input environments.
- Low Dropout Voltage: Features a low dropout voltage of 1.7V, making it efficient in power supply designs.
- Compact Package: Available in an 8-pin SOIC package, which is space-efficient and suitable for various applications.
- Wide Operating Temperature Range: Operates over a temperature range of 0°C to +125°C, making it reliable in diverse environmental conditions.
Applications
- Embedded Systems: Suitable for use in embedded systems where stable voltage regulation is crucial.
- Industrial Control Systems: Used in industrial control systems for reliable power supply to various components.
- Consumer Electronics: Found in consumer electronics such as audio equipment, medical devices, and other appliances requiring stable voltage regulation.
- Automotive Systems: Used in automotive systems for powering various electronic components.
Q & A
- What is the output voltage of the MC78L09ACDR2?
The output voltage of the MC78L09ACDR2 is 9V.
- What is the maximum current output of the MC78L09ACDR2?
The maximum current output is 100 mA.
- What is the typical line regulation of the MC78L09ACDR2?
The typical line regulation is 125 mV.
- What is the ripple rejection of the MC78L09ACDR2?
The ripple rejection is typically 57 dB.
- What is the dropout voltage of the MC78L09ACDR2?
The dropout voltage is 1.7 V.
- What is the operating temperature range of the MC78L09ACDR2?
The operating temperature range is 0°C to +125°C.
- What package type is the MC78L09ACDR2 available in?
The MC78L09ACDR2 is available in an 8-pin SOIC package.
- What are some common applications of the MC78L09ACDR2?
Common applications include embedded systems, industrial control systems, consumer electronics, and automotive systems.
- How does the MC78L09ACDR2 handle noise in the input voltage?
The MC78L09ACDR2 has high ripple rejection, ensuring a clean output voltage even in noisy input environments.
- What is the input bias current of the MC78L09ACDR2?
The input bias current is typically 6.0 mA at TJ = +25°C.
