A B 1 3 3 J2 CASE J1 -Vin J4 +Vin J3 ON R26 5.36k 1% C25 0.1uF + C26 68uF 20V 3 5 3 D5 MMBD914LT1 C13 4.7uF C11 2200pF 250V C2 1.5uF 100V 1 R37 12.1k 1% Q12 MMBT3904LT1 1 D18 MMBD914LT1 3 1 14 13 17 1 2 3 4 5 6 P13 P RN/SHD 12VIN 3 HEADER 6 R43 3.9k R38 143k 1% 1 R24 130 D20 MMBD914LT1 R13 47k Q8 MMBT3904LT1 D11 MMSZ5240BT1 R34 100k 1 1 2 D23 MMBD914LT1 R27 10k D15 MMBD914LT1 1 R21 20.5k 1% Q10 MMBT3906LT3 1 D9 MMBD914LT1 D3 MMSZ5246BT1 2 3 C 3 2 Q7 NDT410EL R25 470 1 8 3 4 R39 4.53k 1% C19 2.2uF GND1 OUT1 OUT2 VCC2 U3 LT1339 1 2 D17 MMSZ5242BT1 IN1 VCC1 IN2 GND2 U1 LT1693-1 R14 62k R12 61.9k 1% R49 62k 2 7 5 6 C28 2200pF R28 10 R29 27k DO1608C-105 L3 C31 1uF C27 2200pF 4 C29 0.1uF R8 10 C30 4700pF VFB BG D16 BAS21 C14 2.2uF SYNC 1 1 5VREF 2 2 2 3 R11 1.5K CT 3 3 1 R10 1.5K SL/ADJ 4 1 C4 1.5uF 100V IAVG 5 2 C3 1.5uF 100V VREF 10 SOCKET6 20 J10-12 P10-12 8 6 5 4 3 2 1 19 TG VBOOST J10-2 P10-2 SGND 1 9 16 3 3 2 1 2 R15 47 3 1 1 1 D22 BAT54 R41 2.4k R31 3.3 D19 BAS21 D13 BAS21 3 470 R16 1 1/2W R9 0.025 Q3 IRF1310NS 1 3 C21 0.1uF JP2 0 JP1 0 C12 0.1uF D7 BAT54 D2 MURS120 Q2 FMMT718 D4 MMBD914LT1 Q4 FMMT718 1 D1 MURS120 1 D6 MMSZ5242BT1 3 D 18 TS J10-4 P10-4 11 15 J10-6 P10-6 1 2 2 3 4 J10-10 P10-10 3 J10-7 P10-7 J10-5 P10-5 PGND Q1 IRF1310NS NC 2 1 3 4 ISO1 MOC207 6 7 10 11 12 7 8 9 R44 100k R32 470 5 6 7 8 T2 CTX02-14678 coiltronics 5 2 1 4 3 6 T1 CTX02-14675 Coiltronics Note: Unless noted: All caps 25V. All resistors 0.1W, 5%. All diodes MMBT914LT1 All NPNs MMBT3904LT1 All PNPs MMBT3906LT3 J10-11 P10-11 J10-3 P10-3 SS 6 SENSE+ 3 1 12 SENSEVC 7 1 2 J10-8 P10-8 3 1 4 J10-9 P10-9 3 J10-1 P10-1 4 R20 4.7k D21 MMSZ5231BT1 R23 4.7k Q13 MMBT3904LT1 C23 0.1uF 1 C1 2200pF 250V C17 1000pF R7 10 Q5 SUD30N04 C10 1000pF 100V C15 1000pF 3 J13 5 1 2 R46 1k R47 100 D14 BAT54 R22 470 1 C22 0.22uF D10 BAT54 R19 470 C9 1000pF 100V R2 10 COLL 4 1 3 8 8 GND1 GND2 R33 1k OUT1 IN1 OUT2 REF U4 LT1431 2 7 5 6 +C6 10V 330uF + C33 10V 330uF C20 4.7uF R42 4.42k 1% C24 0.01uF R40 TBD +C35 10V 330uF + C16 33uF 10V C36 150pF 1kV + C34 10V 330uF L4 DO1608C-105 + C8 10V 330uF R35 1k + C7 10V 330uF 1 Date: Size Title J9 -Vout J8 -Sense J7 Trim J6 +Sense J5 +Vout P9 -Vout P5 +Vout Document Number 1 DC259A Sheet of LT1339CSW 48V TO 5V / 50W MODULE 1630 McCARTHY BLVD. MILPITAS, CA 95035-7487 PHONE: (408) 432-1900 FAX: (408) 944-9410 LINEAR TECHNOLOGY CORPORATION R48 100 R45 9.31k 1% JP3 0 R36 3.01k 1% R30 100 3 D8 BAS21 3 1 D12 BAS21 1 VCC2 U2 LTC1693-1 VCC1 IN2 1 Q6 SUD30N04 + C5 10V 330uF L2 2.4uH CEPH149-2R4MC J11-2 P11-2 R1 10 4 3 8 J11-4 P11-4 C18 2200pF 250V 1 2 3 1 J11-3 P11-3 L1 DO1608C-472 6 2 GND-F 3 J11-8 P11-8 3 5 4 GND-S 1 J11-1 7 COMP RMID 1 2 J11-5 P11-5 4 3 4 RTOP P11-1 2 J11-6 P11-6 5 3 2 3 V+ J11-7 P11-7 Rev A B C D