Overview
The MC78M12CDTXM is a 3-terminal positive voltage regulator from ON Semiconductor, part of the MC78MXX series. This device is designed to provide a stable output voltage of 12V with a maximum current of 500mA. It is available in the TO-252-3 (D-Pak) package, making it suitable for surface mount applications. The regulator features thermal overload protection, short circuit protection, and output transistor safe operating area (SOA) protection, ensuring reliable operation in various environments.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | 11.5 | 12 | 12.5 | Vdc |
| Output Voltage Variation (14.5 Vdc ≤ VI ≤ 27 Vdc, 5.0 mA ≤ IO ≤ 350 mA) | 11.4 | - | 12.6 | Vdc |
| Line Regulation (TJ = 25°C, 14.5 Vdc ≤ VI ≤ 30 Vdc, IO = 200 mA) | - | - | 100 | mV |
| Load Regulation (TJ = 25°C, 5.0 mA ≤ IO ≤ 500 mA) | - | - | 25 | mV |
| Input Bias Current (TJ = 25°C) | - | 3.2 | 6.0 | mA |
| Quiescent Current Change (14.5 Vdc ≤ VI ≤ 30 Vdc, IO = 200 mA) | - | - | 0.8 | mA |
| Peak Output Current (TJ = 25°C) | - | - | 700 | mA |
| Voltage Dropout (Max) | - | - | 2.0 | Vdc @ 500mA |
| Operating Temperature | 0 | - | 125 | °C |
| Package | - | - | TO-252-3 (D-Pak) | - |
Key Features
- Output current up to 500mA
- Fixed output voltage of 12V
- Thermal overload protection
- Short circuit protection
- Output transistor safe operating area (SOA) protection
- High power supply rejection ratio (PSRR) of 80dB at 120Hz
- Lead-free and RoHS compliant
- Surface mount package (TO-252-3, D-Pak)
- Operating temperature range: 0°C to 125°C
Applications
- Power supplies for consumer electronics
- Industrial control systems
- Automotive electronics
- Medical devices requiring stable voltage regulation
- Telecommunication equipment
- General-purpose voltage regulation in various electronic systems
Q & A
- What is the output voltage of the MC78M12CDTXM?
The output voltage of the MC78M12CDTXM is 12V.
- What is the maximum output current of the MC78M12CDTXM?
The maximum output current is 500mA.
- What type of package does the MC78M12CDTXM come in?
The MC78M12CDTXM comes in the TO-252-3 (D-Pak) package.
- Does the MC78M12CDTXM have thermal overload protection?
- What is the operating temperature range of the MC78M12CDTXM?
The operating temperature range is from 0°C to 125°C.
- Is the MC78M12CDTXM lead-free and RoHS compliant?
- What is the power supply rejection ratio (PSRR) of the MC78M12CDTXM?
The PSRR is 80dB at 120Hz.
- What is the voltage dropout of the MC78M12CDTXM?
The voltage dropout is 2.0V at 500mA.
- Does the MC78M12CDTXM have short circuit protection?
- What are some common applications of the MC78M12CDTXM?
