8
dc1905af
DEMO MANUAL DC1905A
schematic Diagram
Page 1: ...d Theboardoperatesincontinuousconductionmode in heavy load conditions For high efficiency at low load L LT LTC LTM Burst Mode Module Linear Technology and the Linear logo are registered trademarks of...
Page 2: ...on the backside of boards to apply load transient on channel 1 channel 2 or channel 3 respectively 6 Optional LTM4633canbesynchronizedtoanexternal clock signal Place the JP4 jumper on EXT_CLK and app...
Page 3: ...3 dc1905af DEMO MANUAL DC1905A Quick Start Procedure LOAD LOAD LOAD VIN dc1905a F01 Figure 1 Measurement Setup of DC1905A...
Page 4: ...W 750kHz CCM Channel 1 3 Disabled Figure 4 Measured Efficiency on Channel 3 VOUT3 3 3V fSW 750kHz CCM Channel 1 2 Disabled Quick Start Procedure LOAD CURRENT A EFFICIENCY dc1905a F02 100 60 70 80 90 5...
Page 5: ...e 6 Measured Channel 2 Load Transient VIN 12V VOUT1 1 2V ISTEP 0A to 5A di dt 5A s VOUT 100mV DIV IOUT_STEP 5A DIV dc1905a F06 Figure 5 Measured Channel 1 Load Transient VIN 12V VOUT1 1 0V ISTEP 0A to...
Page 6: ...OUT3 3 3V ILOAD3 2A Ambient Temperature 21 6 C No Forced Air Flow Figure 9 Thermal Image of LTM4633 VIN 12V VOUT1 1 0V ILOAD1 10A VOUT2 1 2V ILOAD2 10A VOUT3 3 3V ILOAD3 5A Ambient Temperature 21 6 C...
Page 7: ...FKEA Additional Demo Board Circuit Components 1 2 C18 C19 Cap X7R 1 F 10V 10 0603 AVX 0603ZC105KAT2A 2 0 COUT2 COUT3 COUT6 COUT8 COUT10 COUT11 1210 OPT 3 0 C2 C3 C7 C8 C10 C11 0603 OPT 4 3 C15 C16 C17...
Page 8: ...8 dc1905af DEMO MANUAL DC1905A Schematic Diagram...
Page 9: ...gy Corporation is believed to be accurate and reliable However noresponsibilityisassumedforitsuse LinearTechnologyCorporationmakesnorepresenta tion that the interconnection of its circuits as describe...
Page 10: ...DING 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 CONS...
Page 11: ...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...
