A circuit for supplying power, comprising: at least a first transformer, the first transformer comprising a primary winding and a secondary winding; a first circuit portion; and a second circuit portion, the first circuit portion comprising the primary winding of the first transformer, at least a first switch and a first sub-circuit, the first switch and the first sub-circuit arranged in parallel, the first sub-circuit comprising at least a first diode and a second sub-circuit, the first diode and the second sub-circuit arranged in series, the second sub-circuit comprising at least a first capacitor and at least a first load arranged in parallel, the second circuit portion comprising the secondary winding of the first transformer, at least a second diode and a third sub-circuit, the second diode and the third sub-circuit arranged in series, the third sub-circuit comprising at least a second capacitor and at least a second load arranged in parallel, characterized in that at least one of the first load and the second load comprising at least a first solid state light emitting element (SSL1, LED1, LED2), at least a first transistor, at least a first resistor and at least a first operational amplifier, the first solid state light emitting element, the first transistor, and the first resistor arranged in series, a cathode end of the first solid state light emitting element electrically connected to a drain of the first transistor, the first resistor electrically connected to a source of the first transistor, and the operational amplifier driving a gate voltage of the first transistor, a reference voltage (V REF) is provided as a first input to the operational amplifier and a voltage from a node between the source of the first transistor and the first resistor is a second input to the operational amplifier. at least a first transformer, the first transformer comprising a primary winding and a secondary winding; a first circuit portion; and a second circuit portion, the first circuit portion comprising the primary winding of the first transformer, at least a first switch and a first sub-circuit, the first switch and the first sub-circuit arranged in parallel, the first sub-circuit comprising at least a first diode and a second sub-circuit, the first diode and the second sub-circuit arranged in series, the second sub-circuit comprising at least a first capacitor and at least a first load arranged in parallel, the second circuit portion comprising the secondary winding of the first transformer, at least a second diode and a third sub-circuit, the second diode and the third sub-circuit arranged in series, the third sub-circuit comprising at least a second capacitor and at least a second load arranged in parallel, characterized in that at least one of the first load and the second load comprising at least a first solid state light emitting element (SSL1, LED1, LED2), at least a first transistor, at least a first resistor and at least a first operational amplifier, the first solid state light emitting element, the first transistor, and the first resistor arranged in series, a cathode end of the first solid state light emitting element electrically connected to a drain of the first transistor, the first resistor electrically connected to a source of the first transistor, and the operational amplifier driving a gate voltage of the first transistor, a reference voltage (V REF) is provided as a first input to the operational amplifier and a voltage from a node between the source of the first transistor and the first resistor is a second input to the operational amplifier.