IC ensures transformer compatibility of LED lamps

29th September 2015
Source: MarulaLED
Posted By : Siobhan O'Gorman
IC ensures transformer compatibility of LED lamps

 

An IC designed for lighting manufacturers that want to produce low-voltage (12V) LED lamps that are broadly electronic transformer compatible has been introduced by MarulaLED. The MA1077 is based on the company’s SlimDrive technology.

Unlike other solutions in which the transformer-compatibility circuitry is tightly integrated with the driver circuity, the IC can be used in parallel to existing LED driver circuitry. So instead of having to re-design the lamp with new transformer-compatible driver circuitry, users can use your existing driver circuitry together with the MA1077.

The IC uses only analogue circuitry, with no digital switching, therefore, the MA1077 has very low EMI levels. Alongside a low power consumption of typically less than 0.25W, the IC has a wide operation range of 0.2 to 25W.

The MA1077 solution is extremely compact, as few additional components need to be used with the IC. This allows for the production of very small form-factor LED lamps that are transformer compatible, such as LED G4 bi-pins that are the same size as the small halogen bi-pin capsules they replace. The low component count also makes for a cost-effective solution. The MA1077 is available in a two-pin SOD-123 package.


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