ZXLD1350EV3 - circuit diagram and bill of materials Circuit diagram RS 0R33 VIN LED K D3 JP3 C1 1uF 50V D2 SD1 ZLLS1000 VIN I SENSE J1 C2 1uF 50V R2 (not fitted) JP2 D1 ADJ ADJ R1 (not fitted) C3 (not fitted) GND ZXLD1350 U1 JP1 LED A LX L1 100uH GND Bill of materials Qty. Part ref. 1 N/A 1 RS 1 2 1 1 1 3 1 3 3 5 1 Value Description ZDB345R1 PCB 0.33R Resistor, 0805, +/-1% +/-250ppm NCST10FR330FTRF NIC Components, Welwyn LR1206-R033FI, Panasonic ERJ-6RQFR33V C1 1F Capacitor 50v 1206 X7R TDK C3216X7R1H105K C2, C 3 Not fitted U1 ZXLD1350 LED buck driver L1 100H MSS6132 100H Coilcraft, NPIS53D101MTRF NIC components SD1 ZLLS1000 Schottky diode, Zetex D1,D2,D3 XR-E7090 Cree Power LED R1 Not fitted JP1,JP2,JP3 Jumper pin strip N/A JP1, JP2, JP3 jumpers. JP1, JP3 to be fitted 'open', i.e. on one pin only. JP2 to be fitted 'shorted', i.e. on both pins. +VIN,GND,ADJ, 1.3mm test loop LEDk,LEDa N/A Loctite 315 'OUTPUT' thermal adhesive for attaching LEDs © Zetex Semiconductors plc 2007 1 Source Zetex design NIC Components, TT Electronics (Welwyn) (Farnell 774-6091), Digi-Key Mouser Zetex Coilcraft, NIC Components Zetex Cree Farnell 412-9428 (36 way) Rapid 22-0690 Rapid 17-1820 Farnell 537-020 www.zetex.com