5V 1.5A Linear Voltage Regulator - 7805 TO-220 [AF-2164]

5V 1.5A Linear Voltage Regulator - 7805 TO-220

5V 1.5A Linear Voltage Regulator - 7805 TO-220 [AF-2164]

Price: $1.67
Fastest delivery: Thursday, 9th December
Order before 2pm Monday, 29th November
Available with a lead time
(100 units can dispatch between Dec 08 to Dec 13)
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Description

Ah the venerable 7805, who amongst us has not used this popular linear regulator? This big chunky regulator will help you get your 7-35V battery or wall adapter down to a nice clean 5.0V with 2% regulation. Perfect for just about all electronics!  This is the TO-220 version, with up to 1.5A current capability, and has internal current limiting + thermal shut-down protection which makes it sturdy and pretty much indestructible - at least electronics-wise (we're pretty sure a hammer might work...)

This regulator has a ~2V linear drop-out. That means you must give it at least 7V to get a clean 5V out. There is a constant 'quiescent' current draw of 6mA.

This regulator can provide up to 1.5A as long as it has proper heat-sinking. The higher your input voltage and output current, the more heat it will generate. Without an extra heatsink, you can burn off up to 2W.  We like this calculator for determining your heat sink requirements It's a TO-220 package, so use 62.5°C/Watt junction thermal resistance. The wattage of your set up is = (InputVoltage - 5V) * AverageCurrentInAmps. E.g. a 9V battery and 1 Amp of average output current means the regulator is burning off (9 - 5)*1 = 4 Watts! This setup would definately need a heat sink!

This regulator does not require capacitors for stability, but we recommend at least 10uF electrolytic capacitors on both input and output.

Ask us about the Voltage Regulator

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We can get a further 100 units from Adafruit
Shipping: Adafruit (🌐) → Little Bird (SYD) → You
If you order more than 0 units your estimated delivery is: Wednesday, 8th December — Tuesday, 28th December.
This is an estimate only and delivery times vary.

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