Schematic for the DUALASYMA5VGEVB Evaluation Board J9 VinP 2, 3 ,4 ,9 VIN 2, 3 ,4 ,9 2, 3 ,4 ,9 2PIN/TERM BLK 1 C25 + 47uF Vin C17 + CR20 1 2 R28 + C13 22uF 11.5K MBRM130LT3 CR17 1 1 J6 BSTIN 2 VCC5V 5Vin + C16 22uF C18 22uF + R27 15.0K + C26 CR19 MBRS230LT3 C5 1uF 22uF R33 2.21 47uF DRHR C10 DNP C9 0.1uF U2 NCP5911 VCCdr BST 1 C11 22uF C8 1uF R34 10.0K 2 ENDR3 GND R26 0 + VinN 4 R35 10.0K DRH 8 BST HG PWM SW 7 EN GND 6 VCC LG Q3H R36 0 R31 R24 2.21 2 2 + C15 22uF 4.75 R32 0 CR18 MBRS230LT3 2PIN/TERM BLK 1 J5 1 + C14 22uF VBST 2PIN/TERM BLK Vdriv er DRL 5 0 PAD R37 26 VCC 12VMON CS1N G1 J14 6PIN 19 1 3 5 VoutP J11 GND + 2 4 6 + C30 470uF + C27 470uF + C28 470uF C29 470uF C24 100uF C23 100uF C22 100uF C21 100uF C20 100uF C19 100uF VoutN J12 JS6 SMB 10.0K 10.0K R50 49.9K R51 VCC5V R49 49.9K DACMODE R48 4.75 301 49.9K R52 R9 49.9K 21 R44 22 CS2N VR_RDY DIFFOUT DRVON 2 1 AGND 9 33 SS ROSC ILIM 10 VDRP COMP 11 16 18 17 VFB R20 10.0 SS Css ROSC ILIM R13 16.9K 1 2 3 4 5 6 7 8 VR_FAN 0 JS10 SMB DRHR R55 JS10 0 R56 JS11 0 DRLR D22 GRN Q41 2N7002 0.01uF SW2 SW DIP-8 R14 13.7K JS11 SMB G1 1.0K N1 C1 1500pF R58 COMP R1 86.6K VID0 R2 86.6K VID1 R3 86.6K VID2 R4 86.6K VID3 R5 86.6K VID4 R6 0.0 VID5 R7 0.0 VID6 R12 0.0 C3 100pF R23 R8 86.6K R11 86.6K R57 DNP DNP VDRP N5 R22 16 15 14 13 12 11 10 9 R53 JS6 2 23 C7 Vout 20 VS+ DRVON R38 1.21 2 4 6 VSCS2P R39 2.21k 5, 6, 7 25 GATE2 C6 1200pF Q4L 5, 6, 7 R43 15 32L 5X5 QFN Q3L 5, 6, 7 Vout 49.9K 13 CS1P NTMFD4901NF 49.9K 14 24 GATE1 VR_FAN 1 3 5 29 EN 10 Q9L NTLLD4901NF 8 0.1uF J13 6PIN NTC NCP5386S 10 CS1 R42 VR_FAN 30 N.C. VR_RDY 10 L1 1.0uH 10 8 49.9K VR_RDY 28 10 NTMFD4901NF 8 R41 31 10 NTMFD4901NF RT1 68K 12 Q9H NTLLD4901NF 1 DRLR R40 EN 27 U1 VID0 VID1 VID2 VID3 VID4 VID5 VID6 VID7 GND/VID_SELEC 1 NTMFD4901NF SWNode 12VMON 32 VID0 1 VID1 2 VID2 3 VID3 4 VID4 5 VID5 6 VID6 7 VID7 DACMODE8 Q4H 1 1 GND + C12 22uF J10 100K DRVR VCC 1 2 2 MBRS230LT3 DRVR BST R29 12VMON EN GND 2 J1 C4 DNP DNP MH1 JS8 SMB MH2 R54 0 JS8 SWNode R21 VFB R15 1.0K RT2 N2 10K N3 R17 1.0K DNP MH3 DIFFOUT R18 N4 100 R19 VID7 1.0K Title R30 0 SIGNAL GND 4/10/2013 MH4 C2 680pF EVAL BOARD - NCP5386/NCP5911 POWER GND -1- Size B Date: Document Number DUAL ASY MMETRICAL Friday , April 05, 2013 Rev A Sheet 2 www.onsemi.com of 2