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5

DEMO MANUAL DC3123A

Rev. 0

QUICK START PROCEDURE

Figure 1. Proper Measurement Equipment Setup

Figure 2. Measuring Input or Output Ripple

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Summary of Contents for DC3123A

Page 1: ...C3315A to sync to a clock frequency from 1MHz to 3MHz The LTC3315A operates in Forced Continuous mode when syncing to an external clock The LTC3315A data sheet gives a complete description of the devi...

Page 2: ...1 0 1 3 1 7 2 0 1 195 1 196 1 197 1 198 1 199 1 200 1 201 1 202 1 203 1 204 1 205 V OUT1 V dc3123a G01 VIN 3 3V VOUT2 1 8V FORCED CONTINUOUS MODE IOUT2 A 0 0 0 3 0 7 1 0 1 3 1 7 2 0 1 795 1 796 1 797...

Page 3: ...ntinuous Mode 1 8V Load Transient Response Forced Continuous Mode 3 3V TO 1 2VOUT LOADSTEP 0 4A TO 1 6A 1A s 10 s DIV VSG1 2V DIV VOUT1 50mV DIV VRSNS1 50mV DIV dc3123a G03 IN 3 3V TO 1 8VOUT LOADSTEP...

Page 4: ...power off connect a second 0A to 2A load to VOUT2 and GND with a series ammeter and a voltmeter as shown in Figure 1 9 Turn on LOAD2 and slowly increase the from 0A to 2A and observe the output volta...

Page 5: ...5 DEMO MANUAL DC3123A Rev 0 QUICK START PROCEDURE Figure 1 Proper Measurement Equipment Setup Figure 2 Measuring Input or Output Ripple...

Page 6: ...rret while the JP1 is set to the FC SYNC position the LTC3315A switching frequency will sync to the external clock while operating in forced continuous mode See the LTC3315A data sheet for more detail...

Page 7: ...ed to the interwinding capacitance of the inductor and the voltage step is partially attributed to the inductance in the output capacitors The step can be reduced by choosing low ESL capacitors as clo...

Page 8: ...50V 20 0402 3 TERM X2Y EMI FILTER JOHANSON DIELECTRICS 500X07W102MV4T 3 2 Q1 Q2 XSTR MOSFET N CH 40V 35A PowerPAK 1212 8 VISHAY SIS434DN T1 GE3 4 2 R5 R11 RES 249k OHMS 1 1 16W 0402 AEC Q200 VISHAY C...

Page 9: ...ITH 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 RESPONSIBIL...

Page 10: ...isclose 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 prompt...

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