The LM7915 is a 15V negative voltage regulator from the LM79XX series. It provides a fixed -15V output with a peak output current of 2.2A and an average output current of up to 1A. The IC is designed in a TO-220 package, allowing it to handle higher currents efficiently while dissipating heat effectively.
The LM7915 requires minimal external components, such as two filter capacitors (input and output), which stabilize the voltage output. The capacitors should be placed close to the IC, using solid tantalum or electrolytic types. The IC is equipped with thermal overload protection and short-circuit current limiting to ensure durability and safeguard the device during adverse operating conditions.
To achieve the maximum load current, a heat sink is essential, especially for higher current outputs of up to 1.5A. The input voltage should always be 2V to 3V higher than the output voltage to maintain a stable -15V output.
15V Negative Output: Provides a stable -15V regulated output voltage.
Peak Output Current: Supports 2.2A peak output current.
Average Output Current: Delivers up to 1A of output current.
Built-in Protections: Features thermal overload protection and short-circuit current limiting for enhanced safety and reliability.
TO-220 Package: Designed for efficient heat dissipation.
Input Voltage Range: Operates with an input voltage range of -17.5V to -28V, with the required input being 2V to 3V above the output voltage.
Negative Power Supplies: Ideal for providing negative voltage regulation in electronic circuits and systems.
Voltage Conversion: Used in circuits requiring a regulated negative voltage source for accurate power distribution.
Signal Processing: Suitable for applications that require stable negative voltages in analog or digital signal circuits.
It is recommended to use a heat sink to ensure efficient thermal management, especially during high current loads.
5 x LM7915 15V Negative Voltage Regulator IC (TO-220 Package).
Product specifications, features, and design may change over time due to product updates or improvements.
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