LTM4680 datasheet(80/132 Pages) AD

80 / 132 page

LTM4681

Rev. 0

For more information www.analog.com

Figure 49. 0.75V and 1V Outputs at 60A with Providing I2C/SMBus/PMBus Serial Interface

TYPICAL APPLICATIONS

VDD33_01

PGOOD_1V

PGOOD_0.75V

FAULT INTERRUPTS

ON_OFF_CONFIG

10k

VDD33_01

1µF

150µF

10k

787

2200pF

100pF

2200pF

100pF

2200pF

100pF

14.3k

VIN, 6V TO 16V

1µF

10k

10k 4.99k

10k

4.7µF

22µF

×6

0.75V AT 60A

14.3k

12.7k

2.43k

14.3k

32.4k

14.3k

32.4k

22.6k

f = 250kHz

4681 F49

PGOOD3

PGOOD2

PGOOD1

PGOOD0

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

VOSNS1–

VOSNS1+

VOSNS0–

VOSNS0+

VOUT1

SW1

VOSNS0–

VOSNS0+

VOSNS0–

VOSNS0+

VOUT0

SW0

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

470µF

×3

LOAD

1V AT 60A

100µF

×3

100µF

×3

VOSNS3–

VOSNS3+

VOSNS2–

VOSNS2+

VOUT3

SW3

VOSNS2–

VOSNS2+

VOUT2

SW2

470µF

×3

LOAD

100µF

×3

100µF

×3

SGND

LTM4680 Datasheet(PDF) 80 Page - Analog Devices

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