Overview
The MC78L15ABDR2 is a part of the MC78L00A Series of positive voltage regulators produced by onsemi. These regulators are known for their simplicity, low cost, and robust performance, making them suitable for a wide range of applications that require a regulated voltage output. The MC78L15ABDR2 specifically provides a fixed output voltage of 15V.
These regulators are designed with internal thermal overload protection and short circuit current limiting, ensuring reliable operation under various conditions. They do not require external components for basic operation, which simplifies the design process.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | 14.4 | 15 | 15.6 | Vdc |
| Line Regulation (TJ = +25°C, IO = 40 mA) | 110 | - | 300 | mV |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA) | 12 | - | 75 | mV |
| Input Bias Current (TJ = +25°C) | 4.4 | - | 6.5 | mA |
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | 90 | - | - | μV |
| Ripple Rejection (IO = 40 mA, f = 120 Hz, 18.5 V ≤ VI ≤ 28.5 V, TJ = +25°C) | 34 | - | 39 | dB |
| Dropout Voltage (TJ = +25°C) | 1.7 | - | - | Vdc |
| Storage Temperature Range | -65 | - | 150 | °C |
Key Features
- Wide Range of Available Fixed Output Voltages: The MC78L00A series offers various fixed output voltages, including the 15V output of the MC78L15ABDR2.
- Low Cost: These regulators are economical, making them a cost-effective solution for many applications.
- Internal Short Circuit Current Limiting: Protects the regulator from excessive current draw.
- Internal Thermal Overload Protection: Shuts down the circuit in case of excessive heat, ensuring device safety.
- No External Components Required: Simplifies the design and reduces the overall component count.
- Complementary Negative Regulators Available: The MC79L00A series offers negative voltage regulators for complementary applications.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other applications requiring stringent quality and reliability standards.
Applications
The MC78L15ABDR2 is versatile and can be used in a variety of applications, including:
- Consumer Electronics: Such as TVs, radios, and other household appliances.
- Industrial Control Systems: For powering sensors, actuators, and other control devices.
- Automotive Systems: Given its AEC-Q100 qualification, it is suitable for use in automotive electronics.
- Medical Devices: Where reliable and stable voltage regulation is critical.
- Telecommunications Equipment: For powering various components in communication systems.
Q & A
- What is the output voltage of the MC78L15ABDR2?
The output voltage of the MC78L15ABDR2 is 15V.
- What is the maximum input voltage for the MC78L15ABDR2?
The maximum input voltage for the MC78L15ABDR2 can go up to 30Vdc.
- Does the MC78L15ABDR2 require external components for operation?
No, the MC78L15ABDR2 does not require external components for basic operation.
- What kind of protection does the MC78L15ABDR2 have?
The MC78L15ABDR2 has internal short circuit current limiting and thermal overload protection.
- Is the MC78L15ABDR2 suitable for automotive applications?
Yes, the MC78L15ABDR2 is AEC-Q100 qualified and PPAP capable, making it suitable for automotive applications.
- What is the dropout voltage of the MC78L15ABDR2?
The dropout voltage of the MC78L15ABDR2 is 1.7Vdc.
- What is the ripple rejection of the MC78L15ABDR2?
The ripple rejection of the MC78L15ABDR2 is typically 34 to 39 dB at 120 Hz.
- What is the storage temperature range for the MC78L15ABDR2?
The storage temperature range for the MC78L15ABDR2 is -65°C to +150°C.
- What is the maximum power dissipation for the MC78L15ABDR2?
The maximum power dissipation depends on the thermal resistance and the ambient temperature, but it can be calculated using the provided thermal resistance data.
- Can the MC78L15ABDR2 be used in medical devices?
Yes, the MC78L15ABDR2 can be used in medical devices where reliable and stable voltage regulation is critical.
