Overview
The MC7812CDTRK is a 1.0 A positive voltage regulator produced by ON Semiconductor. This monolithic integrated circuit is designed as a fixed-voltage regulator, suitable for a wide variety of applications, including local and on-card regulation. The device is part of the MC78XX series, known for its reliability and robust performance.
The MC7812CDTRK offers a fixed output voltage of 12 V and is available in the DPAK-3 package, which is surface mountable. It features internal current limiting, thermal shutdown, and safe-area compensation, making it a reliable choice for applications requiring stable voltage regulation.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 11.5 | 12 | 12.5 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 11.5 | 12 | 12.5 | Vdc |
| Line Regulation (TJ = 25°C) | Regline | - | - | 3.8 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.5 A, TJ = 25°C) | Regload | - | - | 18 | mV |
| Dropout Voltage (IO = 1.0 A, TJ = 25°C) | VI - VO | - | - | 2.0 | Vdc |
| Output Noise Voltage (TA = 25°C, 10 Hz ≤ f ≤ 100 kHz) | Vn | - | - | 10 | μV/√Hz |
| Output Resistance (f = 1.0 kHz) | rO | - | - | 1.1 | mΩ |
| Short Circuit Current Limit (TA = 25°C, Vin = 35 Vdc) | ISC | - | - | 0.2 | A |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.8 | mV/°C |
Key Features
- Output current in excess of 1.0 A
- No external components required for operation
- Internal thermal overload protection
- Internal short circuit current limiting
- Output transistor safe-area compensation
- Output voltage offered in 1.5%, 2%, and 4% tolerance
- Available in surface mount D2PAK-3 and DPAK-3 packages, as well as standard 3-lead transistor packages
- NCV prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q100 qualified
Applications
The MC7812CDTRK is suitable for a wide range of applications, including:
- Local and on-card voltage regulation
- Industrial control systems
- Automotive systems (NCV versions)
- Consumer electronics requiring stable voltage regulation
- Medical devices and equipment
- Telecommunication systems
Q & A
- What is the output voltage of the MC7812CDTRK?
The output voltage of the MC7812CDTRK is 12 V.
- What is the maximum output current of the MC7812CDTRK?
The maximum output current is in excess of 1.0 A.
- Does the MC7812CDTRK require external components for operation?
No, the MC7812CDTRK does not require external components for operation.
- What kind of thermal protection does the MC7812CDTRK have?
The MC7812CDTRK features internal thermal overload protection.
- What is the dropout voltage of the MC7812CDTRK?
The dropout voltage is 2.0 Vdc at IO = 1.0 A and TJ = 25°C.
- What is the output noise voltage of the MC7812CDTRK?
The output noise voltage is 10 μV/√Hz at TA = 25°C and 10 Hz ≤ f ≤ 100 kHz.
- What is the short circuit current limit of the MC7812CDTRK?
The short circuit current limit is 0.2 A at TA = 25°C and Vin = 35 Vdc.
- What is the average temperature coefficient of output voltage for the MC7812CDTRK?
The average temperature coefficient of output voltage is -0.8 mV/°C.
- In what packages is the MC7812CDTRK available?
The MC7812CDTRK is available in surface mount D2PAK-3 and DPAK-3 packages, as well as standard 3-lead transistor packages.
- Is the MC7812CDTRK suitable for automotive applications?
Yes, the NCV versions of the MC7812CDTRK are suitable for automotive applications and are AEC-Q100 qualified.
