# # DCDC 8 Converter # # 270 Degree # # BULK_3V3 DCDC Converter 12 Amp # ---========--------------------------- # # # Original Rev. 15-Mar-2015 # Most Recent Rev. 14-Nov-2016 # # # # This file holds all of the components involved with # DCDC Converter number 8 on the Hub Module. # # This is a 12 Amp GE_PDT012 for the BULK_3V3 bus. # # # Board_Location # Ref Part_Number Symbol Geometry X Y Properties #----- ----------- ------ ------------------ -------------- ---------- # DCDC8 POL_PDT012A SY_JUNK GE_PDT012 0.00 0.00 1 270 ($G,"$O,$V") (COMPONENT_TYPE,"Array_Grp") # # The loop compensation RTUNE and CTUNE RC components # R1351 Res_200_Ohm_0805 SY_JUNK res_0805_1sb -7.00 5.60 2 90 C1351 Cap_10_nFd_0805 SY_JUNK cap_0805_1sb -7.00 1.20 2 90 # # The output voltage set RTRIM resistor # R1352 Res_4.42k_Ohm_0805 SY_JUNK res_0805_1sb -2.10 1.20 2 90 # # The Address Set resistors: Adrs_1 is R1254 Adrs_0 is R1253 set to 0o56 # R1354 Res_84.5k_Ohm_0603 SY_JUNK res_0603 2.50 1.00 2 270 R1353 Res_130k_Ohm_0603 SY_JUNK res_0603_1sb 4.50 1.00 2 270 # # Now the Ramp Sequence RC scale and filter components: # R1255 is the 20k Ohm series resistor. # R1256 is the scale shunt resistor to ground. # R1355 Res_20k_Ohm_0805 SY_JUNK res_0805 7.50 8.10 2 90 R1356 Res_4.42k_Ohm_0805 SY_JUNK res_0805_1sb 3.80 9.20 2 180 C1352 Cap_100_pFd_0603 SY_JUNK cap_0603 3.80 7.20 2 180 # # Now the 470 Ohm series isolation resistor in the # DCDC_8 Enable_Off_On signal. This resistor is # part of the Hub's Power Control Circuit. R2966 Res_470_Ohm_0603 SY_JUNK res_0603 6.70 1.00 2 270 # # INPUT Filter Capacitors # C1361 Cap_22_uFd_25_V_1210 SY_JUNK cap_1210 1.70 -9.60 1 180 C1362 Cap_47_nFd_0402 SY_JUNK cap_0402 1.70 -7.00 1 180 C1363 Cap_10_uFd_25_V_1206 SY_JUNK cap_1206 1.70 -9.30 2 0 C1364 Cap_10_uFd_25_V_1206 SY_JUNK cap_1206 1.70 -11.90 2 0 C1365 Cap_47_nFd_0402 SY_JUNK cap_0402 2.15 -5.70 2 0 C1366 Cap_47_nFd_0402 SY_JUNK cap_0402 2.15 -7.20 2 0 # # OUTPUT Filter Capacitors # C1371 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 -4.10 -9.20 1 0 C1372 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 -4.10 -8.90 2 180 C1373 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 -4.10 -11.80 1 0 C1374 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 -4.10 -11.60 2 180 C1375 Cap_47_nFd_0402 SY_JUNK cap_0402 -4.50 -6.90 2 180 C1376 Cap_47_nFd_0402 SY_JUNK cap_0402 -4.15 -5.40 2 180 C1377 Cap_47_nFd_0402 SY_JUNK cap_0402 -4.20 -7.10 1 0 DZ1351 MMSZ46861G SY_JUNK zener_sod123 -4.10 -14.50 1 0 # # INPUT Via-Arrays # PVA1_dc8 Not_a_Part SY_JUNK x3y2_Power_Via_Array 5.40 -7.70 1 90 PVA2_dc8 Not_a_Part SY_JUNK x1y1_Power_Via_Array 6.30 -4.60 1 0 PVA3_dc8 Not_a_Part SY_JUNK x1y1_Power_Via_Array 4.60 -10.80 1 0 # # GROUND Via-Arrays # PVA4_dc8 Not_a_Part SY_JUNK x3y1_Power_Via_Array -1.20 -9.40 1 90 PVA5_dc8 Not_a_Part SY_JUNK x1y1_Power_Via_Array -1.20 -12.50 1 0 PVA6_dc8 Not_a_Part SY_JUNK x1y1_Power_Via_Array -2.00 -6.30 1 0 PVA7_dc8 Not_a_Part SY_JUNK x1y1_Power_Via_Array -0.30 -6.30 1 0 PVA8_dc8 Not_a_Part SY_JUNK x1y1_Power_Via_Array -2.00 -2.80 1 0 PVA9_dc8 Not_a_Part SY_JUNK x1y1_Power_Via_Array -0.30 -2.80 1 0 # # OUTPUT Via-Arrays # PVA10_dc8 Not_a_Part SY_JUNK x3y2_Power_Via_Array -7.10 -3.70 1 90 PVA11_dc8 Not_a_Part SY_JUNK x3y2_Power_Via_Array -7.80 -8.20 1 90 PVA12_dc8 Not_a_Part SY_JUNK x1y1_Power_Via_Array -7.00 -11.30 1 0 PVA13_dc8 Not_a_Part SY_JUNK x1y1_Power_Via_Array -7.00 -13.00 1 0