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54321Buck Converter 4AD+5VSB11 POWER_ENFB1CLS UPB201212T-121Y-N 5AR110/1%C3+C4ELNA SE100uF/16V0.1uF/10V/0402C60.1uF/10V/0402R210/1%R6100K/1%U1AX3518ESA8VINLX 71VCCFB 452EN REFPGNDGNDTHEM_PAD639(1.2V)VCCKL1SCD0403T-2R2M 2.2uH/3.8AFB2CLS UPB201212T-121Y-N 5AC215pF/50V/0402C1RA0.1uF/10V/0402R3332K/1%R4634K/1%RBC5C722uF/6.3V/08050.1uF/10V/0402Vout=0.8Vx (1+RA/RB)+3.3V_Standby power (3V3SB)+5VSBFB3CLS UPB201212T-121Y-N 5AC8+10uF/16V/0805U2AX1007E33A3VIN VOUTVOUTGND/ADJ1C90.1uF/10V/0402C1324RARB10uF/6.3V/NCR5249/1%/NCR70+ C10C114.7uF/6.3VC120.1uF/10V/0402ELNA SE100uF/16V/NC100mA3V3SBFB4CLS UPB201212T-121Y-N 5ADC+5V_Nomal power (5V_SW)Strapping mode :Mustdefault Pull low.VCCKR12C140.1uF/10V/0402/NC+5VSBR1047K/1%CBQ2U16182 S1 D4 73 S2 D3 64 S3 D2 5G D1DMG4435SSS/NCQ1S DGDMP2160U5V_SWFB5CLS UPB201212T-121Y-N 5AC16+ C15C170.1uF/10V/04024.7uF/16V/0805ELNA SE100uF/16V+3.3V_Digital power (DVDD3V3)400mA5V_SWFB6CLS UPB201212T-121Y-N 5AC20+C18U3AX1117ADA3VIN VOUTADJ / GND12RAR11110/1%+ C21C19(3.295V)DVDD3V3R9C22AVDD3V3R8 0/1%/08050/1%/0805/NCC100K/1%POWER_EN :High => 1.2V_SW POWER ONLow => 1.2V_SW POWER OFFC241uF/6.3V/0402ELMBT3904LT1G3/1 ,3/2 Modify10uF/16V/08050.1uF/10V/0402C23 RB10uF/6.3V/NCR13180/1%10uF/10V/08050.1uF/10V/0402ELNA SE100uF/16V/NCVO=1.25Vx(1+RB/RA)+IadjxR2BB+1.5V_DDR3 power (DDRV)U45V_SWAX1117ADAFB8CLS UPB201212T-121Y-N 5AC27+3VIN VOUTADJ / GND1C252RAR14110/1%C26(1.5V)DDRVFB9CLS UPB201212T-121Y-N 5AC28+ C29+3.3V_Analog power (ADAC_3V3)1/31 Delete(3.295V)AVDD3V3ADAC_3V3R15 0/1%/0805C30+1.2V_Analog power (AVDD1V2)U5AVDD3V3AX1007E12AFB73CLS UPB201212T-121Y-N 5AVIN VOUTVOUTC31+C32GND/ADJ12/20 Modify24C33(1.2V)100mAAVDD1V2FB10CLS UPB201212T-121Y-N 5AC3410uF/16V/08050.1uF/10V/0402C35 RB10uF/6.3V/NCR1622/1%10uF/10V/08050.1uF/10V/0402ELNA SE100uF/16V/NC1uF/16V10uF/16V/08050.1uF/10V/04024.7uF/6.3V0.1uF/10V/0402VO=1.25Vx(1+RB/RA)+IadjxRBAA5432COMPAL OPTOELECTRONICS CO., LTDTitleSCHEMATIC,M/B VTV-L32616Size Document Number RevXXXXXX1Date: Tuesday, November 27, 2012Sheet 2 of111