ST L7909CV

Part points

• The L7909CV is a voltage regulator chip used in electronic circuits. Specifically, it is a negative voltage regulator that provides a fixed output voltage of -9V. It can handle a maximum load current of 1.5A and has built-in protection features such as thermal shutdown and short circuit protection. The chip is commonly used in applications where a stable and regulated negative voltage supply is required.

• Equivalent

  The equivalent products of the L7909CV chip are the LM7909 and UA7909 chips.

• Features

  The L7909CV is a negative voltage regulator that has a fixed output voltage of -9V. It can provide a maximum output current of 1.5A and has a voltage input range of -11V to -35V. The regulator has built-in thermal overload protection and short-circuit current limiting features.

• Pinout

  The L7909CV is a 3-terminal negative voltage regulator with a pin count of 3. The functions of the pins are as follows: Pin 1 is the input voltage pin, Pin 2 is the ground pin, and Pin 3 is the output voltage pin.

• Manufacturer

  The manufacturer of the L7909CV is STMicroelectronics. It is a global semiconductor company that designs, manufactures, and distributes a wide range of electronic components including integrated circuits, microcontrollers, and power management devices.

• Application Field

  The L7909CV is a negative voltage regulator commonly used in various applications, such as power supplies, industrial equipment, automotive electronics, and telecommunication systems. Its ability to regulate negative voltages makes it suitable for circuits requiring a stable and controlled negative voltage output.

• Package

  The L7909CV chip is packaged in a TO-220-3 form factor with a size of approximately 10.16mm x 4.83mm x 9.15mm.