Analog Devices Linear ADI Power DC3054A-C Demo Manual Download Page 5 | Manualshive

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QUICK START PROCEDURE

Figure 1. Test Setup for the DC3054A-C Demo Board

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Summary of Contents for Linear ADI Power DC3054A-C

Page 1: ...or a desired switching frequency All registered trademarks and trademarks are the property of their respective owners PERFORMANCE SUMMARY The DC3054A C also has an EMI filter to reduce conducted EMI This EMI filter can be included by applying the input voltage at the VIN EMI terminal The EMI performance of the board is shown in the EMI Test Results section The red lines in the EMI performance grap...

Page 2: ...V VIN FB AGND PGOOD LTC3309B 1µF 0201 MODE SYNC RT fOSC 6 6MHz High Efficiency 6 6MHz 1 8V 6A Step Down Converter LTC3309B 3 3V to 1 8V Efficiency and Power Loss DC3054A C in Burst Mode TFM201208BLD R11MTCA EFFICIENCY POWER LOSS VIN 3 3V VOUT 1 8V fSW 6 6MHz IOUT A 0 001 0 01 0 1 1 6 0 10 20 30 40 50 60 70 80 90 100 0 0001 0 001 0 01 0 1 10 1 EFFICIENCY POWER LOSS W dc3054ac CS01b ...

Page 3: ... 8A fSW 6 6MHz HORIZONTAL POLARIZATION CLASS 5 PEAK LIMIT MEASURED DATA AMBIENT NOISE FREQUENCY MHz 0 100 200 300 400 500 600 700 800 900 1000 20 10 0 10 20 30 40 50 60 AMPLITUDE dBµV m dc3054a c G02 DC3054A C DEMO BOARD WITH EMI FILTER INSTALLED 3 3V INPUT TO 1 8V OUTPUT AT 4 8A fSW 6 6MHz VERTICAL POLARIZATION CLASS 5 PEAK LIMIT MEASURED DATA AMBIENT NOISE FREQUENCY MHz 0 100 200 300 400 500 600...

Page 4: ...onPGND terminal and set the voltage scale to 1V and the time scale to 500ns Division Trigger on the rising edge of the voltage probe Using a tip on the voltage probe contact the SW node on the pad of L1 Observe the duty cycle and the period of the switching waveform 152 nanoseconds 9 Settheloadcurrentto0 5Aandrepeatstep8 Observe thattheswitchingwaveformisnowoperatinginPulse Skip Mode 10 Move the j...

Page 5: ...5 DEMO MANUAL DC3054A C Rev 0 QUICK START PROCEDURE Figure 1 Test Setup for the DC3054A C Demo Board ...

Page 6: ... 8 Q1 SIR426DP T1 GE3 R10 10k 5 R11 0 1k 2W 2512 SG_INPUT 20V MAX E19 E20 RSNS dc3754a c F03 TP2 ISTEP Figure 3 Optional Transient Response Circuit Figure 2 Technique for Measuring Output Ripple and Step Response a With a Scope Probe b With a Low Inductance Connector Not Supplied ...

Page 7: ...ommended inductor value for the application Accurately Measuring Output Ripple of the LTC3309B With the fast edge rates of the circuit high frequency noise can be observed when measuring the output voltage with 1MΩ terminated oscilloscope probes To better view the output ripple with oscilloscopes of 400MHz bandwidth and above a 50Ω coax cable connected as close to the output caps as possible shoul...

Page 8: ... OPTION 0201 9 1 L2 IND 100Ω AT 100MHz FERRITE BEAD 25 8A 6mΩ 1812 WURTH ELEKTRONIK 74279226101 10 1 Q1 XSTR MOSFET N CH 40V 15 9A PPAK SO 8 VISHAY SIR426DP T1 GE3 11 1 R3 RES 20Ω 1 1 16W 0402 AEC Q200 VISHAY CRCW040220R0FKED 12 0 R4 RES OPTION 0402 13 1 R5 RES 10k 5 1 16W 0402 AEC Q200 VISHAY CRCW040210K0JNED 14 1 R6 RES 1MΩ 1 1 16W 0402 AEC Q200 VISHAY CRCW04021M00FKED 15 1 R7 RES 249k 1 1 16W 0...

Page 9: ... OF TITLE SCHEMATIC APPROVALS PCB DES APP ENG Phone 408 432 1900 SIZE SCHEMATIC NO AND REVISION CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS www analog com SKU NO IC NO ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER...

Page 10: ... 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 promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer may not disassemble decompile or reverse engineer chips on the Evaluation Board Customer shall inform ADI of any occurred damag...

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