The is a fixed voltage linear regulator that can output 9V at up to 1A current with an input voltage range of 11 — 35V. The 78xx series of fixed-voltage linear regulators are some of the most popular linear regulators available and have been around for a very long time. They have built-in current limiting and over temperature protection and tend to be fairly robust devices. The prefix may vary depending on the mfr so you may see them listed as LM78xx, MC78xx, L78xx or just 78xx. The is a commonly used linear regulator. For basic operation, no external components are required.
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LM is a fixed-voltage integrated-circuit voltage regulator designed for a wide range of applications. The L voltage regulator provides 9V Positive voltage as output and can provide local on-card regulation, eliminating the distribution problems associated with single-point regulation.
Although designed primarily as a fixed voltage regulator, but it can be used with external components to obtain adjustable voltage. Note: Complete Technical Details can be found in the datasheet given at the end of this page. Voltage regulators are very common in electronic circuits. They provide a constant output voltage for a varied input voltage.
The output current of this IC can go up to 1. But the IC suffers from heavy heat loss hence a Heat sink is recommended for projects that consume more current. This is a typical application circuit of the IC. We just need two capacitors of value 0. The input capacitor 0. These capacitors should be placed close to the terminals for them to work effectively.
Also, they should be of a ceramic type, since ceramic capacitors are faster than electrolytic. Subscribe to stay updated with industry's latest Electronics components and news.
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7809 Voltage Regulator 9V / 1A
LM7809 Regulator. Datasheet pdf. Equivalent