Linear Technology DC1936A Demo Manual Download Page 5

5

dc1936afa

DEMO MANUAL DC1936A

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Figure 5. Load Transient Waveform of DC1936A, V

IN

 = 12V, V

OUT0

 = 1V, f

SW

 = 500kHz, 0% to 25% Load Step

Figure 6. Thermal Picture of DC1936A, V

IN

 = 12V, V

OUT0

 = V

OUT1

 = 1V, I

OUT0

 = I

OUT1

 = 30A, f

SW

 = 500kHz, No Airflow, T

A

 = 25°C

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Summary of Contents for DC1936A

Page 1: ...ion All other trademarks are the property of their respective owners PERFORMANCE SUMMARY management features of the parts download the GUI software LTpowerPlay onto your PC and use LTC s I2C SMBus PMB...

Page 2: ...wer at the input NOTE Make sure that the input voltage does not exceed 16V 5 Turn on RUN switch as desired 6 Check for the correct output voltage from E6 to E7 for CH0 and from E8 to E9 for CH1 VOUT 1...

Page 3: ...E22 as the driver supply for DrMOS n Apply external 5V from E5 to E29 as VCC for LTC3882 n Measure VIN across the input ceramic capacitor C6 for CH1 C39 for CH0 Measure VOUT across the output ceramic...

Page 4: ...re 3 Measuring Output Voltage Ripple VOUT GND COUT LOAD CURRENT A 0 EFFICIENCY 92 90 88 86 84 82 91 89 87 85 83 81 80 20 10 30 dc1936a F04 35 15 5 25 12VIN 1VOUT 500kHz 12VIN 1 2VOUT 500kHz 12VIN 0 9V...

Page 5: ...DC1936A VIN 12V VOUT0 1V fSW 500kHz 0 to 25 Load Step Figure 6 Thermal Picture of DC1936A VIN 12V VOUT0 VOUT1 1V IOUT0 IOUT1 30A fSW 500kHz No Airflow TA 25 C Downloaded from Arrow com Downloaded fro...

Page 6: ...tool during board bring up to program or tweak the power management scheme in a system or to diagnose power issues when bringing up rails LTpowerPlay utilizes the DC1613A USB to SMBus controller to c...

Page 7: ...t the LTC3882 is communicating c In the Toolbar click the R RAM to PC icon to read the RAM from the LTC3882 This reads the configuration from the RAM of LTC3882 and loads it into the GUI d If you want...

Page 8: ...P X5R 100 F 6 3V 1210 AVX 12106D107MAT2A 11 6 C14 C15 C23 C41 C49 C50 CAP POSCAP 470 F 4V D3L SIZE PANASONIC 4TPF470ML 12 1 C18 CAP X5R 4 7 F 25V 0805 TAIYO YUDEN TMK212ABJ475KG T 13 2 C24 C66 CAP X7R...

Page 9: ...Q14 MOSFET P CH 20V 0 58A SOT 23 VISHAY TP0101K T1 E3 14 2 Q15 Q16 MOSFET N CH 60V 115MA SOT 23 FAIRCHILD 2N7002 15 2 SW1 SW2 CONNECTOR SUB MINIATURE SLIDE SWITCHES C K JS202011CQN 16 0 R34 R35 R37 R4...

Page 10: ...S F SULLINS NPPN072FJFN RC 8 1 J15 HEADER 14POS 2MM R A GOLD M MOLEX 87760 1416 9 1 J10 CONN HEADER 12POS 2MM STR DL PCB FCI 98414 G06 12ULF 10 5 JP1 JP5 0 079 SINGLE ROW HEADER 3 PIN SULLIN NRPN031PA...

Page 11: ...95035 Phone 408 432 1900 1630 McCarthy Blvd LTC Confidential For Customer Use Only CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATI...

Page 12: ...CHNOLOGY PARTS SCALE NONE www linear com 2 2 3 DUAL POLY PHASE HIGH PERFORMANCE HZ YI S N A LTC3882EUJ DEMO CIRCUIT 1936A SIZE DATE IC NO REV SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOLOGY Fax 40...

Page 13: ...OLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 2 3 3 DUAL POLY PHA...

Page 14: ...IAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the goods Further the user releases LTC from all claims arising from the handl...

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