Bill of Materials for the NCP1523BG Evaluation Board 8/22/2007 Substitution Lead Free Allowed Designator Quantity Description Value Tolerance Footprint Manufacturer Manufacturer Part Number U1 C1, C2 R1, R2 R3 R4 L1 1 2 2 1 1 1 IC, Converter, DC/DC Ceramic capacitor SMD resistor SMD resistor SMD resistor Inductor 4.7uF, 6,3V, X5R 510kΩ 330kΩ 240kΩ 2.2µH 10% 1% 1% 1% 20% 8-Pin Flip 0603 0603 0603 0603 1210 NCP1523B GRM188R60J475KE19D CRCW0603510KFKEA CRCW0603330KFKEA CRCW0603240KFKEA LPS3008-222ML 3110014000500 160-172402-05-00 90120-0160 90131-0140 90120-0160 Yes Yes Yes Yes Yes Yes Yes Yes 5010 Yes Yes VIN, VOUT 4 Connector - - - ENABLE SELECT GND1, GND2 TPEN, TPLX, TPVIN, TPVOUT 1 1 2 3 Pin Jumper Header 3x2 Pin Jumper Header Jumper for GND - - 2,54mm 2,54mm 10,16mm ON Semiconductor Murata Vishay Vishay Vishay Coilcraft Kontek Comatel Cambion Molex/ Waldom Molex/ Waldom Molex/ Waldom 4 Test point type 3 - - 1,60mm Keystone No No Yes Yes Yes No Yes Yes Yes Yes Yes Yes