Overview
The MC7912BD2TG is a fixed output negative linear voltage regulator produced by onsemi. It is part of the MC7900 series, which is designed as a complement to the popular MC7800 series devices. This regulator is available in various fixed output voltage options, with the MC7912BD2TG specifically providing a -12 V output. The device is known for its robustness, featuring current limiting, thermal shutdown, and safe-area compensation, making it suitable for a wide range of operating conditions.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | -11.5 | -12 | -12.5 | Vdc |
| Line Regulation (TJ = +25°C, IO = 100 mA) | - | - | 13 | mV |
| Load Regulation (TJ = +25°C, 5.0 mA ≤ IO ≤ 1.5 A) | - | - | 46 | mV |
| Input Bias Current (TJ = +25°C) | - | 4.4 | 8.0 | mA |
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | - | - | 75 | µV |
| Ripple Rejection (IO = 20 mA, f = 120 Hz) | - | - | 61 | dB |
| Dropout Voltage (IO = 1.0 A, TJ = +25°C) | - | - | 1.3 | Vdc |
| Average Temperature Coefficient of Output Voltage | - | - | -1.0 | mV/°C |
| Temperature Range | -40°C | - | +125°C | °C |
| Package | - | - | D2PAK-3 | - |
Key Features
- No external components required for operation.
- Internal thermal overload protection and short circuit current limiting.
- Output transistor safe-area compensation.
- Available in 2% voltage tolerance.
- Pb-Free package options available.
- Robust design with current limiting and thermal shutdown features.
Applications
The MC7912BD2TG is suitable for various industrial and commercial applications requiring a stable negative voltage supply. It is particularly useful in systems that require high current output and robust protection features, such as in power supplies, industrial control systems, and electronic instrumentation.
Q & A
- What is the output voltage of the MC7912BD2TG? The output voltage of the MC7912BD2TG is -12 V.
- What are the key protection features of the MC7912BD2TG? The device features internal thermal overload protection, short circuit current limiting, and output transistor safe-area compensation.
- What is the maximum output current of the MC7912BD2TG? The device can deliver up to 1.0 A of output current.
- What is the temperature range for the MC7912BD2TG? The temperature range is from -40°C to +125°C.
- What package types are available for the MC7912BD2TG? The device is available in the D2PAK-3 package.
- Does the MC7912BD2TG require external components for operation? No, the MC7912BD2TG does not require external components for operation.
- What is the ripple rejection of the MC7912BD2TG? The ripple rejection is 61 dB at 120 Hz.
- What is the dropout voltage of the MC7912BD2TG? The dropout voltage is 1.3 Vdc at IO = 1.0 A and TJ = +25°C.
- Is the MC7912BD2TG available in Pb-Free packages? Yes, Pb-Free package options are available.
- What are some typical applications for the MC7912BD2TG? Typical applications include power supplies, industrial control systems, and electronic instrumentation.
