L7905C-D2TR

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L7905C-D2TR is an integrated three-terminal positive linear voltage regulator designed primarily as a power supply supervisor, ensuring that voltage levels remain stable within an acceptable range.

It comes in a TO-220 package and typically operates with an output voltage of 5V. Available in three different versions, the -D2TR provides a higher input voltage range of up to 36V and can operate in both continuous and constant current modes. The device can be used in a wide range of applications, in particular, those requiring a precise and reliable voltage supply.

Application Fields

L7905C-D2TR can be used in many different applications such as:

• Automotive systems
• Computers and peripherals
• Industrial equipment
• Test and measurement systems
• Batteries and battery packs
• Telecommunications
• Lighting systems

The device is designed to provide stable output voltage in a wide range of applications and is capable of delivering a high current to various loads. It is also suitable for applications requiring precise regulation and reliable operation. The device is available in the industry-standard plastic package, including PDIP (plastic dual in-line package), molded SOIC (small outline packages) and flip chip packages.

Working Principle

Basically, current is available at the output of this voltage regulator when the input voltage is greater than the output voltage. The input voltage and output voltage are regulated using a series of zener and series regulator transistors. The zener transistors are used to regulate and maintain the output voltage and the series transistors are used to control current flowing through the regulator. The L7905C-D2TR has an output current limit of 1.5A.

The device works on the principle of comparison. It has an internal voltage reference that is compared to the incoming voltage. When the reference voltage is higher than the incoming voltage, the device turns off and the output voltage is regulated. When the reference voltage is lower than the input voltage, the device turns on and the output voltage is regulated.

The regulator also features over-voltage protection and adjustable current, temperature, and circuit protection. The device is also able to switch off automatically when there is no output load, thus reducing power consumption. In addition, the regulator includes internal protection diodes for protection against overload and short circuit.

L7905C-D2TR is a reliable, easy-to-use linear voltage regulator, designed to provide precise and stable output voltage in various applications. It is capable of delivering high currents with minimal power loss to various types of loads. It is available in the standard plastic package, providing flexibility for different application requirements.

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