MC79L12ABP

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The MC79L12ABP is a linear voltage regulator manufactured by ON Semiconductor. It is a three-terminal fixed output negative voltage regulator. It has an output voltage of -12 V, a dropout voltage of 2.5 V and an operating current of 367 mA. Its maximum power dissipation is 800 mW. It has a temperature range of -40⁰C to 125⁰C. The MC79L12ABP is widely used for general purpose applications where low output negative voltage is required.

The MC79L12ABP has three pins: pin 1 is the input pin, pin 2 is the ground pin and pin 3 is the output pin. The input voltage, usually referred to as VIN, is supplied at the input pin and the output voltage, VOUT, is delivered at the output pin. The ground pin connects the two other pins to each other, allowing them to exchange the necessary current. The MC79L12ABP controls the output voltage by drawing a current depending on the level of VIN. This current is then regulated and filtered by the output voltage.

When the input voltage is applied to the MC79L12ABP, it begins to draw a current from the input pin. This current is regulated and filtered by the output voltage. The current variation of the output voltage is controlled by the external components. The component configuration and the operating frequency determine the output voltage level. In addition, the MC79L12ABP also has an internal noise filter which helps to reduce noise or line disturbances.

The MC79L12ABP is a versatile and reliable device, it is widely used in a variety of applications where a low output negative voltage is required. It can be used to power the negative voltage pin of TTL logic ICs, linear active devices such as op amps, filters and transistors, as well as battery chargers and low-voltage systems.

The MC79L12ABP is also suitable for powering relays, motors, solenoids and other devices. The device can also be used in microcomputer based systems, power supplies, audio and video systems, radio control systems, automotive applications and industrial control systems. The stable voltage output of the MC79L12ABP makes it an ideal choice for powering and controlling voltage-sensitive electronics.

In summary, the MC79L12ABP is a three-terminal, fixed output voltage regulator that provides a negative output voltage of -12 V. It is a reliable device for powering various applications where a low output negative voltage is required. The MC79L12ABP has an excellent noise filtering capability and a temperature range of -40⁰C to 125⁰C, which makes it suitable for the most demanding applications.

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