Overview
The MC78M15CDTT5G is a 500 mA positive voltage regulator from onsemi, part of the MC78M00/MC78M00A Series. These regulators are similar to the MC7800 Series but are specified for half the output current. They are designed for local, on-card voltage regulation and are known for their ruggedness under various operating conditions. The MC78M15CDTT5G provides a fixed output voltage of 15V and is available in a DPAK-3 package, which is lead-free and suitable for a variety of applications, including automotive and industrial uses.
Key Specifications
| Characteristics | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 14.4 | 14.7 | 15 | Vdc |
| Output Voltage Variation (17.5 Vdc ≤ VI ≤ 30 Vdc, 5.0 mA ≤ IO ≤ 350 mA) | VO | 14.25 | - | 15.75 | Vdc |
| Line Regulation (TJ = 25°C, 17.5 Vdc ≤ VI ≤ 30 Vdc, IO = 200 mA) | Regline | - | 10 | 50 | mV |
| Load Regulation (TJ = 25°C, 5.0 mA ≤ IO ≤ 500 mA) | Regload | - | - | 30 | mV |
| 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) | ΔVO/ΔT | - | ±0.3 | - | mV/°C |
| Peak Output Current (TJ = 25°C) | IO | - | 700 | - | mA |
Key Features
- No External Components Required
- Internal Thermal Overload Protection
- Internal Short Circuit Current Limiting
- Output Transistor Safe-Area Compensation
- High Accuracy (±2%) for MC78M00A versions
- ESD Protection: Human Body Model 2000 V per MIL-STD-883, Method 3015, and Machine Model 200 V
Applications
The MC78M15CDTT5G is suitable for various applications, including:
- Local, on-card voltage regulation in electronic devices
- Automotive systems requiring high reliability and robustness (NCV prefix versions)
- Industrial control systems and equipment
- Consumer electronics requiring stable voltage regulation
Q & A
- What is the output voltage of the MC78M15CDTT5G?
The output voltage of the MC78M15CDTT5G is 15V.
- What is the maximum output current of the MC78M15CDTT5G?
The maximum output current is 500 mA with adequate heatsinking.
- Does the MC78M15CDTT5G require external components?
No, the MC78M15CDTT5G does not require external components.
- What kind of protection does the MC78M15CDTT5G have?
The MC78M15CDTT5G has internal thermal overload protection and internal short circuit current limiting.
- What is the dropout voltage of the MC78M15CDTT5G?
The dropout voltage is 2.0 Vdc at TJ = 25°C.
- What is the short circuit current limit of the MC78M15CDTT5G?
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.
- What is the peak output current of the MC78M15CDTT5G?
The peak output current is 700 mA at TJ = 25°C.
- Is the MC78M15CDTT5G suitable for automotive applications?
Yes, the NCV prefix versions are suitable for automotive and other applications requiring high reliability.
- What package type is the MC78M15CDTT5G available in?
The MC78M15CDTT5G is available in a DPAK-3 package.
