Linear Technology DC1472A Demo Manual Download Page 9 | Manualshive

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Summary of Contents for DC1472A

Page 1: ...ally track an external voltage The LTM4618EV may be enabled or disabled by the RUN pin The MODE jumper JP3 is available to select L LT LTC LTM μModule Burst Mode Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners BOARD PHOTO frompulse skippingorBurstMode operationforimproved efﬁciency at ...

Page 2: ...n Do not hot plug the input supply or apply more than the rated maximum voltage of 26 5V to the board or the part may be damaged 3 Set the RUN pin jumper JP4 to the on position The output voltage should rise to 1 5V The output voltage meter should read the selected output voltage 2 4 Vary the input voltage from 6V to 24V and adjust the load current from 0A to 6A The output voltage meter should rea...

Page 3: ...3 dc1472af DEMO MANUAL DC1472A QUICK START PROCEDURE Figure 1 Proper Measurement Equipment Setup A V V A VIN LOAD ...

Page 4: ... 12VIN Efﬁciency vs Load Current 24VIN QUICK START PROCEDURE LOAD CURRENT A 0 EFFICIENCY 80 85 DC1472 F02a 75 70 2 4 6 95 90 5VOUT 3 3VOUT 2 5VOUT 1 8VOUT 1 5VOUT 1 2VOUT fSW 500kHz CCM Mode LOAD CURRENT A 0 EFFICIENCY 80 85 DC1472 F02b 75 70 2 4 6 95 90 5VOUT 3 3VOUT 2 5VOUT 1 8VOUT 1 5VOUT fSW 500kHz CCM Mode ...

Page 5: ...CERAMIC 12 1 5 330μF 6 3V POSCAP 1 47μF 10V VIN V VOUT V IOUT A AIRFLOW AMBIENT C 12 1 5 6 Natural Convection 27 Figure 3 Measured Load Transient Response 0A to 6A Load Step Figure 4 Measured Thermal Capture QUICK START PROCEDURE VOUT 100mV DIV IOUTSTEP 5A DIV ...

Page 6: ... 0603 VISHAY CRCW060311K5FKEA 16 1 U1 IC LTM4618EV LINEAR TECH LTM4618EV LGA Additional Demo Board Circuit Components 1 0 C1 C4 C16 C19 C21 C24 CAP 0603 Optional 2 0 C8 C9 C10 C11 C13 CAP 1210 Optional 3 2 C17 C18 CAP X5R 1μF 10V 0603 TAIYO YUDEN LMK107BJ105MA T 4 0 R6 R8 R10 R12 RES 0603 Optional 5 4 R7 RES 10k 1 16W 1 0603 VISHAY CRCW060310K0FKEA 6 1 R9 RES 0 01Ω 5 1W 2512 IRC LRC LRF2512LF 01 R...

Page 7: ...D PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY 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 Monday March 15 2010 1 1 HIGH DENSITY 6A STEP DOWN POWER uMODULE KT SAM Y N A LTM4618EV DEMO CIRCUIT 1472A...

Page 8: ...LUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL 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 handling or use of the go...

Page 9: ... EVALZ ADP1716 2 5 EVALZ ADP1740 1 5 EVALZ ADP1752 1 5 EVALZ ADP1828LC EVALZ ADP1870 0 3 EVALZ ADP1871 0 6 EVALZ ADP1873 0 6 EVALZ ADP1874 0 3 EVALZ ADP1882 1 0 EVALZ ADP199CB EVALZ ADP2102 1 25 EVALZ ADP2102 1 875EVALZ ADP2102 1 8 EVALZ ADP2102 2 EVALZ ADP2102 3 EVALZ ADP2102 4 EVALZ ADP2106 1 8 EVALZ ADP2147CB 110EVALZ AS3606 DB BQ24010EVM BQ24075TEVM BQ24155EVM BQ24157EVM 697 BQ24160EVM 742 BQ2...

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