Overview
The MC78M24CTG is a linear voltage regulator IC produced by ON Semiconductor. It is part of the MC78M00 series, which is similar to the popular MC7800 series but specified for half the output current. This regulator is designed for local, on-card voltage regulation and is known for its robustness and reliability under various operating conditions.
The MC78M24CTG provides a fixed output voltage of 24V with a maximum output current of 500 mA. It features internal current limiting, thermal shutdown circuitry, and safe-area compensation for the internal pass transistor, making it highly rugged and suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | ON Semiconductor | Mounting Style | Through Hole |
| Polarity | Positive | Output Voltage | 24 V |
| Output Current | 500 mA | Output Type | Fixed |
| Input Voltage, Min | 26 V | Input Voltage, Max | 40 V |
| Minimum Operating Temperature | 0°C | Maximum Operating Temperature | +125°C |
| Load Regulation | 480 mV | Line Regulation | 50 mV |
| Quiescent Current | 3.2 mA | PSRR / Ripple Rejection - Typ | 70 dB |
| Height | 9.28 mm (Max) | Length | 10.28 mm (Max) |
| Width | 4.82 mm (Max) | Unit Weight | 0.211644 oz |
| Package / Case | TO-220-3 | Factory Pack Quantity | 50 |
| RoHS Status | Lead free / RoHS Compliant | Protection Features | Over Temperature, Short Circuit |
Key Features
- No External Components Required
- Internal Thermal Overload Protection
- Internal Short Circuit Current Limiting
- Output Transistor Safe-Area Compensation
- Pb-Free Packages Available
- High Accuracy (±2%) Available for Certain Voltage Options
Applications
The MC78M24CTG is suitable for various applications requiring local, on-card voltage regulation. These include:
- Industrial Control Systems
- Consumer Electronics
- Automotive Systems
- Medical Devices
- Telecommunication Equipment
Its robust design and protective features make it an ideal choice for environments where reliability and stability are crucial.
Q & A
- What is the output voltage of the MC78M24CTG?
The output voltage of the MC78M24CTG is 24V.
- What is the maximum output current of the MC78M24CTG?
The maximum output current is 500 mA.
- What is the input voltage range for the MC78M24CTG?
The input voltage range is from 26V to 40V.
- What are the operating temperature limits for the MC78M24CTG?
The operating temperature range is from 0°C to +125°C.
- Does the MC78M24CTG have built-in protection features?
Yes, it includes internal thermal overload protection and short circuit current limiting.
- What is the package type of the MC78M24CTG?
The package type is TO-220-3.
- Is the MC78M24CTG RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What is the typical PSRR (Power Supply Rejection Ratio) of the MC78M24CTG?
The typical PSRR is 70 dB.
- Does the MC78M24CTG require external components for operation?
No, it does not require external components for operation.
- What is the quiescent current of the MC78M24CTG?
The quiescent current is 3.2 mA.
