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LTM4680 Datasheet(PDF) 83 Page - Analog Devices |
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LTM4680 Datasheet(HTML) 83 Page - Analog Devices |
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83 / 132 page  LTM4681 83 Rev. 0 For more information www.analog.com TYPICAL APPLICATIONS Figure 52. 6-Phase Operation Producing 0.9V at 187A, 2 Phase for 1V at 30A, and 1.2V at 30A. Power System Management Features Accessible Through LTM4681 Over 2-Wire I2C/SMBus/PMBus Serial Interface PGOOD_1.2V PGOOD_1V PGOOD_0.9V FAULT INTERRUPTS ON_OFF_CONFIG 1m 1 1µF 150µF ×2 10k 10k 1.65k 14.3k VIN, 6V TO 16V 1m 1 1µF ALERT 4.7µF 4.7µF 22µF 22µF ×6 2200pF 2200pF 100pF 100pF + 470µF ×2 100µF ×3 2.43k 14.3k 1.65k 14.3k 14.3k 18k 15.4k 4681 F52 SHARE_CLK SYNC SDA SCL PGOOD3 PGOOD2 PGOOD1 PGOOD0 COMPa COMPb FAULT3 FAULT2 FAULT1 FAULT0 RUN3 RUN2 RUN1 RUN0 RUNP VIN_VBIAS SVIN_23 VIN23 IN_23– IN_23+ SVIN_01 VIN01 IN_01– IN_01+ SGND_01 SGND_23 GND VOSNS0– VOSNS0+ VOSNS– VOSNS+ VOUT1 VOSNS– VOSNS+ SW1 VOUT0 SW0 32.4k 32.4k 14.3k LTM4681 I2C/SMBus I/F WITH PMBus COMMAND SET TO/FROM IPMI OR OTHER BOARD MANAGEMENT CONTROLLER CONFIG RESISTORS ARE TO BE 1%, 50PPM SLAVE ADDRESS:100_1100_R/W FOR 2,3 DEVICE MFR_CONFIG_ALL bit[4] =1 SLAVE ADDRESS:100_1101_R/W FOR 0,1 DEVICE + 100µF ×3 VOSNS1– VOSNS1+ VOSNS– VOSNS+ SW2 VDD33A_01 PGOOD_0.9V FAULT INTERRUPTS ON_OFF_CONFIG 4.99k VDD33A_01 VDD33B_01 1m 1 1µF 150µF ×2 4.99k 4.99k 1.65k 4700pF 100pF 14.3k VIN, 6V TO 16V 1m 1 1µF 4.99k ALERT 4.99k 4.99k 4.99k 4.99k 4.7µF 4.7µF 22µF 22µF ×6 + 470µF ×2 100µF ×3 1.65k 14.3k 1.65k 14.3k 32.4k 22.6k SHARE_CLK SYNC SDA SCL PGOOD3 PGOOD2 PGOOD1 PGOOD0 COMPa COMPb FAULT3 FAULT2 FAULT1 FAULT0 RUN3 RUN2 RUN1 RUN0 RUNP VIN_VBIAS SVIN_23 VIN23 IN_23– IN_23+ SVIN_01 VIN01 IN_01– IN_01+ SGND_01 SGND_23 GND VOSNS0– VOSNS0+ VOSNS– VOSNS+ VOUT1 SW1 VOUT0 SW0 32.4k 14.3k LTM4681 I2C/SMBus I/F WITH PMBus COMMAND SET TO/FROM IPMI OR OTHER BOARD MANAGEMENT CONTROLLER CONFIG RESISTORS ARE TO BE 1%, 50PPM SLAVE ADDRESS:100_1110_R/W FOR 2,3 DEVICE MFR_CONFIG_ALL bit[4] =1 SLAVE ADDRESS:100_1111_R/W FOR 0,1 DEVICE + 100µF ×3 VOSNS1– VOSNS1+ VOSNS– VOSNS+ SW2 470µF ×2 100µF ×3 VOSNS2– VOSNS2+ VOSNS– VOSNS+ SW3 VOUT2 + 100µF ×3 VOSNS3– VOSNS3+ VOSNS– VOSNS+ VOUT3 0.9V AT 187A LOAD 470µF ×2 1.2V AT 30A 470µF ×2 1V AT 30A 100µF ×4 VOSNS3– VOSNS3+ VOUT3 SW3 VOSNS2– VOSNS2+ VOSNS1V2– VOSNS1V2+ VOSNS1V– VOSNS1V+ VOUT2 100µF ×4 + + SGND SGND |
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