DC-DC Switching Regulator 12V 0.5A – TO-220 pinout – 7812 Replacement
CAD 2.95
Need more than we have? Order now, we will ship when back in stock. Lead time about 2-3 weeks. See our backorder policy. |
Discount Type | Quantity | Volume Price |
---|---|---|
Quantity | 3 - 9 | 10% CAD 2.66 |
Quantity | 10 - 24 | 12.5% CAD 2.58 |
Quantity | 25 + | 15% CAD 2.51 |
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Description
This 7812 pin-compatible drop-in replacement delivers 12V and 0.5A max. current with an input voltage of 13.5 to 40V DC.
Efficiency: 75-90%
Quiescent current: 1.5mA
PCB size: ca. 10 x 18mm
Why should you replace your 78xx LDO voltage regulators with this switching regulator 12V:
For example, your input voltage is 24V, and the 12V circuit you want to power draws 500mA.
With the standard LDO 7812 monolithic TO-220 regulator, the heat dissipation is (24V-12V) * 0.5A = 6W, which already requires a medium size heat sink. With the switching regulator, the heat dissipation is less than 1W.
The step-down regulator comes with over-temperature shut-off, under-voltage and short-circuit protection.
The switching frequency is with 550kHz pretty high, which makes the small size of the device possible.
This regulator is pin-compatible with L7812, LM7812 and other TO-220 7812-type LDOs.
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