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SMD Electrolytic Capacitors – 22uF/25V CAP23
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500RWF
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The L7909 is a three-terminal negative voltage regulator integrated circuit that provides a regulated output voltage of -9V with a maximum output current of 1A. It has a wide input voltage range and features thermal overload protection and short-circuit protection. It operates with low dropout voltage and is available in various packages, including TO-220, TO-92, and SOT-89. The L7909 is suitable for a range of applications and is widely used for providing a stable negative voltage supply.
Description
The L7909 voltage regulator is a three-terminal negative voltage regulator integrated circuit. It provides a regulated output voltage of -9V with a maximum output current of 1A. The regulator is designed to operate over a wide input voltage range, typically 9V to 18V, making it suitable for a variety of applications. The L7909 features thermal overload protection and short-circuit protection, ensuring that the device is protected against overloading and damage in the event of an output fault. The regulator operates with a low dropout voltage and is capable of maintaining stable voltage regulation even when the input voltage is close to the output voltage. The L7909 voltage regulator is available in a range of packages, including TO-220, TO-92, and SOT-89, making it suitable for a wide range of applications.
Here are some of the key specifications of the L7909 voltage regulator:
- Output voltage: -9V
- Maximum output current: 1A
- Input voltage range: 9V to 18V
- Dropout voltage: typically 1.3V at 1A
- Line regulation: typically 0.01% per volt
- Load regulation: typically 0.5%
- Output voltage accuracy: typically ±2%
- Operating temperature range: -40°C to +125°C
- Available packages: TO-220, TO-92, SOT-89, and others
- Maximum output ripple: typically 50mV
- Output noise voltage: typically 20mV
- Efficiency: typically 80% to 90%
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