Overview
The MC78M12CDTRKG is a 12V positive voltage regulator from onsemi, part of the MC78M00/MC78M00A and NCV78M00 series. These regulators are designed for local, on-card voltage regulation and are similar to the MC7800 series but with half the output current. They are known for their ruggedness and reliability under various operating conditions.
The MC78M12CDTRKG is available in a DPAK-3 package and is Pb-Free, making it suitable for a wide range of applications requiring stable and regulated voltage output.
Key Specifications
| Characteristics | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 11.50 | 11.76 | 12.00 | Vdc |
| Output Voltage Variation (14.5 Vdc ≤ VI ≤ 27 Vdc, 5.0 mA ≤ IO ≤ 350 mA) | VO | 11.4 | - | 12.6 | Vdc |
| Line Regulation (TJ = 25°C, 14.5 Vdc ≤ VI ≤ 30 Vdc, IO = 200 mA) | Regline | - | - | 50 | mV |
| Load Regulation (TJ = 25°C, 5.0 mA ≤ IO ≤ 500 mA) | Regload | - | - | 25 | mV |
| Input Bias Current (TJ = 25°C) | IIB | - | - | 6.0 | mA |
| Dropout Voltage (TJ = 25°C) | VI−VO | - | - | 2.0 | Vdc |
| Short Circuit Current Limit (TJ = 25°C, VI = 35 V) | IOS | - | - | 350 | mA |
| Average Temperature Coefficient of Output Voltage (IO = 5.0 mA) | VO/°T | - | - | ±0.3 | mV/°C |
| Peak Output Current (TJ = 25°C) | IO | - | - | 700 | mA |
| Operating Junction Temperature Range | TJ | - | - | +150 | °C |
| Storage Temperature Range | Tstg | -65 | - | +150 | °C |
Key Features
- No External Components Required: The MC78M12CDTRKG does not need external components to operate, simplifying the design process.
- Internal Thermal Overload Protection: This feature protects the device from overheating, ensuring reliability and longevity.
- Internal Short Circuit Current Limiting: The regulator has built-in current limiting to prevent damage from short circuits.
- Output Transistor Safe-Area Compensation: This ensures the output transistor operates within safe limits, enhancing device reliability.
- High Accuracy (±2% for MC78M00A): The MC78M00A version offers high accuracy output voltage regulation.
Applications
- Local, On-Card Voltage Regulation: Ideal for regulating voltage in various electronic circuits where a stable output is required.
- Automotive and Industrial Systems: The NCV prefix versions are suitable for automotive and other applications requiring robust performance.
- Consumer Electronics: Used in a variety of consumer electronics where reliable voltage regulation is essential.
- Embedded Systems: Suitable for use in embedded systems that require stable and regulated power supply.
Q & A
- What is the output voltage of the MC78M12CDTRKG?
The output voltage of the MC78M12CDTRKG is 12V, with a typical value of 11.76V and a maximum value of 12V at TJ = 25°C.
- What is the maximum output current of the MC78M12CDTRKG?
The maximum output current is 500 mA, with a peak output current of 700 mA at TJ = 25°C.
- What are the key protection features of the MC78M12CDTRKG?
The device features internal thermal overload protection, internal short circuit current limiting, and output transistor safe-area compensation.
- What is the operating junction temperature range of the MC78M12CDTRKG?
The operating junction temperature range is from 0°C to +125°C.
- Does the MC78M12CDTRKG require external components to operate?
No, the MC78M12CDTRKG does not require external components to operate.
- What is the dropout voltage of the MC78M12CDTRKG?
The dropout voltage is 2.0 Vdc at TJ = 25°C.
- What is the short circuit current limit of the MC78M12CDTRKG?
The short circuit current limit is 350 mA at TJ = 25°C and VI = 35 V.
- What is the average temperature coefficient of output voltage?
The average temperature coefficient of output voltage is ±0.3 mV/°C at IO = 5.0 mA.
- In what package is the MC78M12CDTRKG available?
The MC78M12CDTRKG is available in a DPAK-3 package.
- Is the MC78M12CDTRKG Pb-Free?
Yes, the MC78M12CDTRKG is Pb-Free.
