6 5 4 3 2 1 REVISION RECORD LTR D ECO NO: APPROVED: DATE: VIN = 9V-18V D 9V-18V VIN-S VIN-P GND-P C10 C14 470 uF 35V 22uF 25V 22uF 25V C16 0.1uF C1 1uF BST 7 C11 470 uF 35V R7 0R0 U1 NCP3020 1 2 COMP 3 4 VCC COMP FB GND D1 5 BAT54T1 BST HSDRV VSW LSDRV C 8 R8 7 3.3V 6 8R06 VSW 4 5 C7 R5 10k 0.1 uF C3 6 1 2 3 C DPAK C12 SO8/SO8FL GND-S Q1 NTMFS4841NT1G VOUT = 3.3V 10 A L1 7443310330 8.2nF VOUT-P 7 VOUT-S FT C2 5 DPAK C6 FB 33 pF R10 100 R14 20R 470 uF 35V R9 4 6 1 2 3 R6 22.1k 22uF C15 1 uF C5 Q2 NTMFS4935NT1G GND-P1 470pF R4 2.49k GND-S1 GND R1 4.53k R12 0R0 R15 0R0 B C8 FR 0R0 R13 DNP SO8/SO8FL R3 4.75k C9 22uF B C4 1.8nF R2 1k C13 DNP 1 PIN A ON ON Semiconductor 1-800-282-9855 U2 http://www.onsemi.com COMPANY: ON_LOGO 1 PIN Pb U3 On Semiconductor A TITLE: STANDARD OTA FEEDBACK R13 R15 OPEN SHORT SHORT OPEN DRAWN: CHECKED: TYPE 3 FEEDBACK 11/3/09 DATED: Tom Duffy PB-FREE NCP3020 Evaluation Board DATED: BWM / JGH QUALITY CONTROL: DATED: RELEASED: DATED: Jim Hill CODE: 11/11/09 11/12/09 DGF SCALE: 1:1 SIZE: C REV: DRAWING NO: SCH-NCP3020 SHEET: 1OF 3 1