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LTC2977 Datasheet(PDF) 89 Page - Analog Devices |
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LTC2977 Datasheet(HTML) 89 Page - Analog Devices |
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89 / 138 page  LTM4664A 89 Rev. 0 For more information www.analog.com TYPICAL APPLICATIONS Figure 50. 48V-58V Input, Converting 1.2V at 30A, and 0.9V at 90A. Power System Management Features Accessible Through LTM4664A Over 2-Wire I2C/SMBus/PMBus Serial Interface. VOUT1A ON/OFFA VDD25A VDD33A INTVCCA 1.2V/30A PGOODS1A VOUT2A VOUT2A PGOOD1P2V PGOODS1A PGOODS2A PGOODS2A PGOODVCORE PWMC0A PWMC1A OVP_SET VOUT2A VOUT2A CIRCUIT BREAKER TRIP INTVCCA VOUT1B ON/OFFB VDD25B VDD33B INTVCCB PGOODS1B VOUT2B VOUT2B VOUT2B PGOODVCORE PGOODS1B PGOODS2A PGOODS2A PGOODVCORE PWM C0B PWMC1B OVP_SET CIRCUIT BREAKER TRIP VOSNS+ VOSNS+ VOSNS+ VOSNS+ VOSNS– VDD25B VOSNS– VOSNS– VOSNS– VDD25A SYNC SYNC SHARE CLK SHARECLK SCL SCL SDA SDA ALERT ALERT VDD33A INTVCCB 2.2µF MAIN BULK 10µF 4.7µF 10k 10k 10k 10k 10k 1% 32.4 4.7µF 10k 10k 19.6k 7.5k 100µF ×3 470µF 60.4k 4.7µF 1µF 1µF 10k 10k 10k RSENSE1 10m VIN 40V – 58V VIN 40V – 58V 100k 12.1k 100k 6.04k 36.5k 49.9k 5.1V 0.068µF 0.068µF 100k 100k 220µF ×2 4V 1% 3.24k 1% 32.4k +5V BIAS 50mA 1% 14.3k 2.2µF 100V ×2 MAIN BULK 10µF 4.7µF 10k 1% 22.6k 4.7µF 10k 220µF 60.4k 4.7µF 1µF 1µF RSENSE2 10m 10µF ×8 50V 100k 12.1k 100k 6.04k 36.5k 49.9k 5.1V 0.068µF 0.068µF 100k 100k +5V BIAS 50mA 4664A F50 1% 1.65k 1.65k 10k 10k 2200pF 220pF 4700pF 100pF 4:1 VOLTAGE DIVIDER LOAD DUAL 30A PSM SECTION ×2 100V 1% 1% 1% 1% 1% 1% 100V ×4 25V 4:1 VOLTAGE DIVIDER TWO PHASE PSM 60A SECTION ALL CHANNELS HAVE VOUT RANGE = LOW ILIM RANGE = LOW 1.2V GM = 3.69ms CHANNEL RCOMP = 4k 0.9V CHANNELS GM = 3.69ms RCOMP = 3.4k 1% 1% 1% 1% 1% 1% 100V ×4 25V ×2 4V 1% 1.65k COMPH COMPL COMPH COMPL 1% 14.3k LOAD 0.9V/90A VOSNS+ _C0 VOSNS– _C0 FAULT_C0 FAULT_C1 VDD33 VDD25 SYNC INTVCC VOUTC0 SCL SDA RUN_C0 RUN_C1 SWC0 SWC1 PGOOD_C0 PGOOD_C1 VINS3_C0 VINS3_C1 VOSNS+_C1 VOUTC1 ALERT SHARE_CLK GND VOSNS– EXTVCC _C1 GND SGND_C0_C1 IN+ IN– VOUT2 PGOODS1 FAULTS1 PGOODS2 FAULTS2 RUNS2 RUNS1 INTVCCS1 EXTVCCS1 INTVCCS2 EXTVCCS2 GND SGNDS1 FREQS2 FREQS1 GND SGND_C0_C1 UVS2 LTM4664 (A) VOSNS+ _C0 VOSNS– _C0 FAULT_C0 FAULT_C1 VDD33 VDD25 SYNC INTVCC VOUTC0 SCL SDA RUN_C0 RUN_C1 SWC0 SWC1 PGOOD_C0 PGOOD_C1 VINS3_C0 VINS3_C1 VOSNS+_C1 VOUTC1 ALERT SHARE_CLK GND VOSNS– EXTVCC _C1 GND SGND_C0_C1 IN+ IN– VOUT2 PGOODS1 FAULTS1 PGOODS2 FAULTS2 RUNS2 RUNS1 INTVCCS1 EXTVCCS1 INTVCCS2 EXTVCCS2 GND SGNDS1 FREQS2 FREQS1 GND SGND_C0_C1 UVS2 LTM4664A (B) PINS NOT SHOWN: GL_C0 GL_C1 PHFLT_C0 PINS NOT SHOWN: GL_C0 GL_C1 PHFLT_C0 PHFLT_C1 FAULT FAULT + VOUT2B 19.6k 7.5k 10µF ×8 50V 10µF ×2 50V 220µF ×2 4V 470µF ×4 4V 1% 14.3k 10µF ×8 50V 10µF ×8 50V 10µF ×2 50V 1% 14.3k 1% 14.3k |
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