Circuitry for supplying electrical power to loads

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, a third sub-circuit and a third capacitor, 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,
• the third capacitor electrically connected between a cathode end of the third sub-circuit and the secondary winding of the first transformer.

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, a third sub-circuit and a third diode, 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,
• the third diode electrically connected between a first node and a second node, the first node between a first end of the secondary winding of the first transformer and the anode end of the second diode, the second node between the cathode end of the third sub-circuit and a second end of the secondary winding of the first transformer.

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,
• wherein:
• at least one of the first load and the second load comprises at least a first solid state light emitting element, 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 arc arranged in series,
• a cathode end of the first solid state light emitting element is electrically connected to a source of the first transistor,
• the first resistor is electrically connected to a collector of the first transistor, and
• the operational amplifier drives a gate voltage of the first transistor, a reference voltage is provided as a first input to the operation amplifier and a voltage from a node between the collector of the first transistor and the first resistor is a second input to the operational amplifier.