Overview
The MC7815AECTBU is a 3-terminal positive voltage regulator from Fairchild Semiconductor, now part of ON Semiconductor. This device is part of the MC78XXE series, which offers fixed output voltages and is available in the TO-220 package. It is designed to provide a stable 15V output voltage with a maximum current of 1A, making it suitable for a wide range of applications requiring reliable voltage regulation.
Key Specifications
| Parameter | Symbol | Conditions | Min. | Max. | Unit | |
|---|---|---|---|---|---|---|
| Input Voltage | VI | 35 | V | |||
| Operating Temperature Range | TOPR | 0 | +125 | °C | ||
| Storage Temperature Range | TSTG | -65 | +150 | °C | ||
| Output Voltage | VO | TJ = +25°C, 5.0mA ≤ Io ≤ 1.0A, PO ≤ 15W, VI = 14.5V to 27V | 11.4 | 12 | 12.6 | V |
| Line Regulation | Regline | TJ = +25°C, VI = 14.5V to 30V | 240 | mV | ||
| Load Regulation | Regload | TJ = +25°C, IO = 5.0mA to 1.5A | 240 | mV | ||
| Quiescent Current | IQ | TJ = +25°C | 5.1 | 8.0 | mA | |
| Output Voltage Drift | ΔVO/ΔT | IO = 5mA | -1 | mV/°C | ||
| Output Noise Voltage | VN | f = 10Hz to 100kHz, TA = +25°C | 76 | μV/Vo | ||
| Ripple Rejection | RR | f = 120Hz, VI = 15V to 25V | 71 | dB | ||
| Dropout Voltage | VDrop | IO = 1A, TJ = +25°C | 2 | V | ||
| Output Resistance | rO | f = 1kHz | 18 | mΩ | ||
| Short Circuit Current | ISC | VI = 35V, TA = +25°C | 230 | mA |
Key Features
- Output Current up to 1A
- Fixed Output Voltage of 15V
- Thermal Overload Protection
- Short Circuit Protection
- Output Transistor Safe Operating Area Protection
- Internal Current Limiting and Thermal Shutdown
- High Ripple Rejection (up to 71 dB at 120 Hz)
- Low Output Noise Voltage (76 μV/Vo at 10 Hz to 100 kHz)
- Low Dropout Voltage (2V at IO = 1A)
Applications
- Power Supplies: The MC7815AECTBU is ideal for use in power supplies where a stable 15V output is required.
- Industrial Control Systems: It can be used in various industrial control systems that need reliable voltage regulation.
- Consumer Electronics: Suitable for use in consumer electronics such as audio equipment, medical devices, and other applications requiring stable voltage.
- Automotive Systems: Can be used in automotive systems where a stable voltage is necessary.
- Adjustable Voltage Regulators: Can be configured with external components to provide adjustable output voltages and currents.
Q & A
- What is the maximum output current of the MC7815AECTBU?
The maximum output current is up to 1A.
- What is the fixed output voltage of the MC7815AECTBU?
The fixed output voltage is 15V.
- Does the MC7815AECTBU have thermal protection?
- What is the ripple rejection of the MC7815AECTBU?
The ripple rejection is up to 71 dB at 120 Hz.
- What is the dropout voltage of the MC7815AECTBU?
The dropout voltage is 2V at IO = 1A.
- Can the MC7815AECTBU be used in adjustable voltage configurations?
- What is the operating temperature range of the MC7815AECTBU?
The operating temperature range is from 0°C to +125°C.
- What is the storage temperature range of the MC7815AECTBU?
The storage temperature range is from -65°C to +150°C.
- Does the MC7815AECTBU have short circuit protection?
- What is the typical quiescent current of the MC7815AECTBU?
The typical quiescent current is 5.1 mA.
