CAT4106AGEVB CAT4106 LED Driver Evaluation Board User s Manual CAT4106AGEVB L D VL VOUT 47 H R8 R9 GND 60 k 100 R4 R6 C2 SW 2.2 M 2.2 M 4.7 F C3 M1 SW 10 F U1 6 J1 VIN R11 R12 12 SW 100 k 100 k VIN 9 12 VIN VFMAX EN/PWM 7 11 EN/PWM EN/PWM VFMIN EN/PWM C1 13 1 LED1 1 F RSET LED1 R2 10 R14 16 LED2 R1 CTRL LED2 100 k 649 28 k 5 15 LED3 FB LED3 R5 R7 Z1 14 LED4 69.8 k 60 k 6.2 V LED4 3 FAULT FAULT R13 R3 GND PGND 20 k 28 k 2 4 CAT4106 J5 J6 11 LED1 R10 LED1 FAULT VIN 22 LED2 1 k LED2 33 LED3 LED3 44 LED4 LED4 Figure 2. CAT4106AGEVB Board Schematic Table 1. BILL OF MATERIALS Name Manufacturer Description Part Number Units U1 ON Semiconductor 4-Channel Boost LED Driver, 4 mm x 4 mm TQFN CAT4106 1 C1 AVX Ceramic Capacitor 1.0 F/10 V, 10%, X5R, 0603 0603ZD105KAT2A 1 C2 AVX Ceramic Capacitor 4.7 F/25 V, 10%, X5R, 1206 12063D475KAT2A 1 C3 Taiyo Yuden Ceramic Capacitor 10 F/ 35 V, 10%, X5R, 1210 GMK325BJ106KN-T 1 R1 Yageo SMT Resistor 0.1 W, 649 , 0603 RC0603FR-07649RL 1 R2, R3 Yageo RC0603FR-0728KL 2 SMT Resistor, 0.1 W, 28 k , 0603 R4, R6 Vishay Trimmer Potentiometer, 2.2 M T93YB225K 2 R5 Yageo SMT Resistor, 0.1 W, 69.8 k , 0603 RC0603FR-0769K8L 1 R7, R8 Yageo SMT Resistor, 0.1 W, 60.4 k , 0603 RC0603FR-0760K4L 2 R9 Yageo SMT Resistor, 0.1 W, 100 , 0603 RC0603FR-07100RL 1 R10 Tyco SMT Resistor, 0.1 W, 1 k , 0603 RC0603FR-071KL 1 R11, R12, R14 Yageo SMT Resistor, 0.1 W, 100 k , 0603 RC0603FR-07100KL 3 R13 Vishay T73YE-20K-ND 1 Trimmer Potentiometer, 20 k L Coiltronics Inductor 47 H, 1.08 A DR73-470-R 1 D NXP Schottky Diode, 60 V/1 A PMEG6010CEJ T/R 1 M1 ON Semiconductor N-Channel MOSFET, 60 V/115 mA 2N7002L 1 Z1 ON Semiconductor Zener Diode, 6.2 V MM3Z6V2 1 J1, J2 Tyco 2 Pin Header Connector 0.1 Pitch 640452-2 2 J5, J6 Tyco 4 Pin Header Connector 0.1 Pitch 640452-4 2 Mil-Max Pin Receptacle (Test Points) 0149-0-15-01-30-14-04-0 6 (or equiv) LiteOn SMT Red LED LTST-T970KRKT 1