Analog Devices Linear DC2331A-A Demo Manual Download | Manualshive

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DEMO MANUAL

DC2331A-A/DC2331A-B

Rev. 0

QUICK START PROCEDURE

Figure 8. 56V

IN

, 12V

OUT

at 70A Thermal Image—DC2331A-A. Vertical Orientation with No Forced Air

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Summary of Contents for Linear DC2331A-A

Page 1: ...face between master and slave assemblies is a common ribbon cable The power cabling between master and slave assemblies is similarly simple All registered trademarks and trademarks are the property of...

Page 2: ...he LT8550 current limit to ensure that the power sections share equally during output cur rent overload conditions A resistor NTC voltage divider combined with the CTRL2 control reduces output current...

Page 3: ...f the procedure below Follow Steps 1 8 to Use DC2331A A Without the Multi Chip Master Slave Feature 1 Use a single DC2331A A assembly 2 Prepare to use the SHDN terminal to control the startup Connect...

Page 4: ...A A set JP4 to FLOAT if phase shedding is desired or to GND if phase shedding is not desired On the slave assemblies DC2331A B set JP4 to FLOAT 11 Set the SYNC jumpers JP5 On the master assembly DC233...

Page 5: ...p on lead that connects all the SHDN terminalstoGND Verifythattheoutputvoltageis12V NOTE If the output voltage is low try startup again using SHDN with the load disconnected The load may cause low out...

Page 6: ...CURRENT A 0 1 1 10 100 0 10 20 30 40 50 60 70 80 90 100 1 10 100 1k EFFICIENCY POWER LOSS W DC2331A F03 EFFICIENCY POWER LOSS VOUT 12V fs 250kHz 24VIN W O SHEDDING 24VIN W SHEDDING 56VIN W O SHEDDING...

Page 7: ...7 DEMO MANUAL DC2331A A DC2331A B Rev 0 QUICK START PROCEDURE Figure 8 56VIN 12VOUT at 70A Thermal Image DC2331A A Vertical Orientation with No Forced Air...

Page 8: ...HEATSINKS The power connections between master and slave DC2331A assemblies and between the DC2331A system and the input supply or load can be assembled using the common components and hand tools sho...

Page 9: ...oltage between the master and slave assembly grounds Consequently the offset voltage between master and slave grounds will cause undesired current in the signal grounds of the control interface rib bo...

Page 10: ...hrough the ground cabling In other words if the master assembly has five power sections and the slave assembly has four power sections then the resis tance of the master ground cabling should be 4 5 o...

Page 11: ...assembly power section When used with a fan the heatsinks will decrease the thermal resistance between the DC2331A power components and the ambient environment to increase output power capability or...

Page 12: ...22 F 16V 10 0603 MURATA GRM188R71C224KA01D 13 1 C22 CAP NP0 47pF 50V 5 0603 MURATA GRM1885C1H470JA01D 14 1 C23 CAP X7R 1 F 100V 10 1206 MURATA GRM31CR72A105KA01L 15 1 C24 CAP X7R 1 F 16V 10 0603 MURA...

Page 13: ...M 1 10W 1 0603 VISHAY CRCW06031M00FKEA 47 1 R82 RES 150k 1 10W 1 0603 VISHAY CRCW0603150KFKEA 48 1 U1 I C LT8550 52QFN ANALOG DEVICES LT8550EUKG PBF 49 1 U2 I C LED DRIVER 28TSSOP ANALOG DEVICES LT376...

Page 14: ...ES LT1636CMS8 PBF DC2331A A Hardware For Demo Board Only 1 31 E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 E23 E24 E25 E26 E27 E28 E29 E30 E31 TESTPOINT TURRET 061 MI...

Page 15: ...1D 14 1 C27 CAP X7R 10nF 16V 10 0603 MURATA GRM188R71C103KA01D 15 1 C28 CAP X7R 2 2 F 100V 10 1210 MURATA GRM32ER72A225KA35L 16 1 C32 CAP X5R 47 F 16V 10 1210 MURATA GRM32ER61C476KE15K 17 2 C34 C62 CA...

Page 16: ...OPTION SOD323 12 0 D8 OPT DIODE OPTION SOD523 13 0 L5 OPT IND OPTION 14 0 Q17 Q18 Q19 Q20 OPT XSTR MOSFET OPTION PG TDSON 8 15 0 Q22 OPT MOSFET OPTION SOT223 16 0 RSNS5 R106 OPT RES OPTION 2512 17 0...

Page 17: ...HEADER 4 PIN 0 079 SINGLE ROW WURTH ELEKTRONIK 62000411121 4 2 JP3 JP4 HEADER 3 PIN 0 079 SINGLE ROW WURTH ELEKTRONIK 62000311121 5 1 JP5 HEADER 2X4 PIN 0 079 WURTH ELEKTRONIK 62000821121 6 5 XJP1 XJ...

Page 18: ...2 6 6 4 4 10 10 5 5 11 11 12 12 14 14 13 13 3 3 8 8 E30 CLK1 SYNC_U1 E8 SHDN ____ E31 CTLV E26 SYNC R36 0 TP6 TGBUF CIN16 470uF 63V EEV FK1J471M R49 0 R39 0 E13 EN UVLO E29 TGBUF TGSH CIN20 OPT R31 O...

Page 19: ...R26 10 R8 20 C9 1nF R1 100k 1 R43 OPT R3 13k 1 R11 10 JP2 PHS2 FLOAT VCC GND 1 2 3 4 R42 OPT C48 OPT R4 47k C51 OPT R81 OPT JP3 PHS3 VCC GND 1 3 2 C52 OPT R2 118k 1 JP5 SYNC 1 2 3 4 5 6 7 8 R6 0 LT855...

Page 20: ...X7R 1210 TP2 C44 OPT R86 OPT R79 OPT R12 10 CIN8 15uF 100V KRM55WR CIN6 15uF 2220 100V KRM55WR Q8 BSC100N06LS3 3 2 1 4 5 R45 OPT COUT4 22uF 16V X7R 1210 R87 OPT R69 OPT CIN5 4 7uF 1210 100V D1 BAT46WJ...

Page 21: ...ISP4 38 ISN4 39 CIN15 15uF 100V KRM55WR R14 10 COUT12 150uF 16V 16SVP150M C46 OPT R64 OPT R71 OPT C41 OPT CIN3 4 7uF 1210 100V COUT3 22uF 16V X7R 1210 L3 6 8uH SER2915L 682KL C43 OPT R77 OPT R59 OPT C...

Page 22: ...1 4 5 R116 OPT 1 100K R112 OPT C59 OPT 0 1uF R25 10 COUT5 22uF 16V X7R 1210 R20 10K Q18 BSC100N06LS3 3 2 1 4 5 R17 12 1k 1 D8 1N4448HWT C60 22pF TP1 R9 OPT R85 OPT D5 BAT46WJ 1 2 R117 OPT R104 OPT R5...

Page 23: ...PT R30 R31 R32 R80 R95 R96 R97 R107 C5 1nF OPT OPT 10nF C36 NOTES ASSY A B 3 LT3763 PRIMARY CONTROLLER COMPONENTS INSTALLED REMOVED INSTALLED REMOVED ASSY A B 4 JP4 MODE FLOAT GND GND FLOAT 6 UNLESS O...

Page 24: ...not disclose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to...

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