Overview
The MC7924CTG is a fixed output negative linear voltage regulator produced by onsemi. It is part of the MC7900 series, which is designed as a complement to the popular MC7800 series. This regulator offers a fixed output voltage of -24 V and is capable of delivering up to 1 A of output current. The MC7924CTG features internal current limiting, thermal shutdown, and safe-area compensation, making it robust and reliable under various operating conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage (V) | -24 V |
| Output Current (I_O) | Up to 1 A |
| Input Voltage Range (V_I) | -28 V to -40 V |
| Line Regulation | Typically 13 mV (for 5.0 mA ≤ I_O ≤ 1.5 A) |
| Load Regulation | Typically 46 mV (for 5.0 mA ≤ I_O ≤ 1.5 A) |
| Dropout Voltage (V_DO) | Typically 1.3 V |
| Ripple Rejection (RR) at 120 Hz | Typically 61 dB |
| Output Noise Voltage (V_n) at 10 Hz to 100 kHz | Typically 75 µVrms |
| Temperature Range | -40°C to +125°C |
| Package Type | TO-220AB |
Key Features
- No external components required for operation.
- Internal thermal overload protection and short circuit current limiting.
- Output transistor safe-area compensation.
- Available in Pb-free package options.
- High ripple rejection and low output noise.
Applications
The MC7924CTG is suitable for various applications requiring a stable negative voltage supply. These include:
- Industrial control systems.
- Telecommunication equipment.
- Consumer electronics.
- Automotive systems.
- Medical devices.
Q & A
- What is the output voltage of the MC7924CTG?
The output voltage of the MC7924CTG is -24 V. - What is the maximum output current of the MC7924CTG?
The maximum output current is up to 1 A. - What are the key protection features of the MC7924CTG?
The key protection features include internal thermal overload protection and short circuit current limiting. - What is the temperature range for the MC7924CTG?
The temperature range is -40°C to +125°C. - What package types are available for the MC7924CTG?
The MC7924CTG is available in the TO-220AB package type. - Does the MC7924CTG require external components for operation?
No, the MC7924CTG does not require external components for operation. - What is the ripple rejection of the MC7924CTG at 120 Hz?
The ripple rejection at 120 Hz is typically 61 dB. - What is the output noise voltage of the MC7924CTG?
The output noise voltage is typically 75 µVrms at 10 Hz to 100 kHz. - Is the MC7924CTG available in Pb-free packages?
Yes, the MC7924CTG is available in Pb-free package options. - What are some common applications for the MC7924CTG?
Common applications include industrial control systems, telecommunication equipment, consumer electronics, automotive systems, and medical devices.
