Imagens apenas para referência
MC7912BTG
+Lista de MateriaisIC REG LINEAR -12V 1A TO220AB
-
Fabricanteonsemi
-
Peça do Fabricante #MC7912BTG
-
Pacote TO-220-3
-
Em Estoque4424
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Output Configuration | Negative |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | -35V |
| Voltage - Output (Min/Fixed) | -12V |
| Voltage Dropout (Max) | 1.3V @ 1A (Typ) |
| Current - Output | 1A |
| PSRR | 61dB (120Hz) |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Through Hole |
Visão Geral
Description
Key features of the MC7912BTG include thermal overload protection, short circuit protection, and safe area compensation, making it a reliable choice for a wide range of applications. It is often used in power supply circuits for electronic devices where a negative voltage rail is required. The device typically requires only minimal external components such as input and output capacitors to ensure stability and optimal performance.
Overall, the MC7912BTG is valued for its robustness, ease of use, and ability to deliver consistent -12V output, making it suitable for both consumer electronics and industrial applications.
Equivalent
1. LM7912 from Texas Instruments
2. UA7912 from Fairchild Semiconductor
3. L7912 from STMicroelectronics
4. NTE7912 from NTE Electronics
These components serve similar functions, offering -12V regulated output with similar characteristics, suitable for replacing the MC7912BTG in various applications. Always verify pin configurations and electrical specifications before substituting.
Features
1. Output Voltage: It offers a fixed output voltage of -12V, making it suitable for negative voltage applications.
2. Current Capability: The regulator can supply up to 1.5A of output current, which is suitable for powering moderate loads.
3. Thermal Protection: Integrated thermal shutdown prevents damage due to overheating, enhancing reliability.
4. Overcurrent Protection: Built-in overcurrent limiting helps in protecting the device and connected circuitry from excessive load currents.
5. Package: It is typically available in TO-220 and other similar packages, which help in effective heat dissipation.
6. Operating Temperature Range: It can operate effectively over a wide temperature range, making it versatile for various environments.
7. Low Dropout Voltage: The device features a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
These features make the MC7912BTG a robust choice for applications requiring stable negative voltage regulation.
Pinout
The MC7912BTG typically comes in a TO-220 package, which has three pins:
1. Input (Pin 1): This pin is connected to the input voltage source. The input voltage must be higher in magnitude than the output voltage to ensure proper regulation.
2. Ground (Pin 2): This is the common ground pin for both the input and output. It serves as the reference point for voltages in the circuit.
3. Output (Pin 3): This pin provides a regulated -12V output voltage when the device is properly connected and powered.
This regulator is widely used in power supply circuits, ensuring a reliable and stable voltage output for various electronic applications.