Overview
The MC7815CTG is a 15V fixed-voltage linear voltage regulator produced by onsemi. This device is part of the MC78XX series, known for its high performance and reliability in various electronic systems. The MC7815CTG is designed to provide a stable 15V output voltage with minimal noise and high ripple rejection, making it suitable for a wide range of applications, including power supplies, industrial control systems, and consumer electronics.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 14.4 | 15 | 15.6 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 14.25 | 15 | 15.75 | Vdc |
| Line Regulation (TJ = 25°C) | Regline | - | - | 3.8 | mV |
| Load Regulation (TJ = 25°C) | Regload | - | - | 1.6 | mV |
| Quiescent Current | IB | 3.4 | - | 8.0 | mA |
| Dropout Voltage (IO = 1.0 A, TJ = 25°C) | VI - VO | - | - | 2.0 | Vdc |
| Output Noise Voltage (TA = 25°C) | Vn | - | - | 10 | μV/VO |
| Output Resistance (f = 1.0 kHz) | rO | - | - | 1.1 | mΩ |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.8 | mV/°C |
Key Features
- Stable Output Voltage: Provides a stable 15V output voltage with minimal drift over temperature and load changes.
- High Ripple Rejection: Offers high ripple rejection ratio, ensuring a clean output voltage even with noisy input.
- Low Dropout Voltage: Features a low dropout voltage, making it efficient in power supply designs.
- Short Circuit Protection: Includes built-in short circuit current limit to protect the device from overcurrent conditions.
- Thermal Stability: Operates over a wide temperature range with a low average temperature coefficient of output voltage.
Applications
- Power Supplies: Ideal for use in linear power supplies where a stable output voltage is required.
- Industrial Control Systems: Suitable for industrial control systems, instrumentation, and automation.
- Consumer Electronics: Used in various consumer electronics such as audio equipment, medical devices, and other electronic appliances.
- Embedded Systems: Can be used in embedded systems requiring a reliable and stable voltage source.
Q & A
- What is the output voltage of the MC7815CTG?
The output voltage of the MC7815CTG is 15V.
- What is the typical quiescent current of the MC7815CTG?
The typical quiescent current is 3.4 mA.
- What is the dropout voltage of the MC7815CTG at 1A load current?
The dropout voltage is 2.0 Vdc.
- Does the MC7815CTG have short circuit protection?
Yes, it includes built-in short circuit current limit.
- What is the ripple rejection ratio of the MC7815CTG?
The ripple rejection ratio is typically around 60 dB.
- What is the operating temperature range of the MC7815CTG?
The operating junction temperature range is from 0°C to 125°C.
- What is the peak output current of the MC7815CTG?
The peak output current is 2.2 A.
- What is the average temperature coefficient of output voltage for the MC7815CTG?
The average temperature coefficient of output voltage is -0.8 mV/°C.
- Can the MC7815CTG be used in high-temperature environments?
Yes, it is designed to operate in a wide temperature range, making it suitable for high-temperature environments.
- What are some common applications of the MC7815CTG?
Common applications include power supplies, industrial control systems, consumer electronics, and embedded systems.
