The Supertex CL220 is a high voltage, temperaturecompensated, 20mA constant current regulator. The device operates at up to 220 V, and is accurate to ±10 % over a 5.0 – 160 V range. The device can be used as a two terminal constant current source or constant current sink.• 5 … 220 V operating range (VA-B)• 20 mA ±10% at 5 … 160 V• 0.01% / °C typical temperature coefficient• Available in TO-252 (D-PAK) and TO-220 packages• Can be paralleled for higher current