Analog Devices Linear ADI Power LTM4681 Manual page 27

TEST CIRCUITS
2
I C/SMBus I/F WITH PMBus COMMAND
SET TO/FROM IPMI OR OTHER BOARD
MANAGEMENT CONTROLLER
V , 4.5V TO 5.75V
IN
IN_01
+
22µF
150µF 1m
×6
1
IN_01
V
IN01
SV
IN_01
SV
1µF
V
IN
IN_23
1m
1
IN_23
V
IN23
SV
IN_23
SV
1µF
V
IN_VBIAS
RUNP
V
DD33_01
RUN0
10k
RUN1
RUN2
ON_OFF_CONFIG
RUN3
10k
FAULT0
FAULT1
FAULT2
FAULT INTERRUPTS
FAULT3
PGOOD0
10k
PGOOD1
PGOOD2
POWER GOOD
PGOOD3
2200pF
V
DD33_01
10k 4.99k 10k 10k 10k
+
–
IN_01
+
–
IN_23
2200pF 2200pF 2200pF
100pF 100pF 100pF
For more information
SV
IN_01
4.7µF
SV
LTM4681
100pF
14.3k 14.3k 14.3k
2.43k 2.43k 2.43k
Test Circuit 2.
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LTM4681
22µF
IN_23
4.7µF
SW0
V
OUT0
V
OSNS0
V
OSNS0
SW1
V
OUT1
V
OSNS1
V
OSNS1
SW2
V
OUT2
V
OSNS2
V
OSNS2
SW3
V
OUT3
V
OSNS3
V
OSNS3
GND
SGND_23
SGND_01
32.4k
14.3k 14.3k
14.3k
CONFIG RESISTORS ARE
1.65k 22.6k TO BE 1%, 50PPM
SLAVE ADDRESS:100_1110_R/W
FOR 2,3 DEVICE
2.43k
MFR_CONFIG_ALL bit[4] =1
FOR 0,1 DEVICE
SLAVE ADDRESS:100_1111_R/W
1V AT 31.25A
ADJUSTABLE TO 3.3V
100µF
+
×5
LOAD
–
1V AT 31.25A
ADJUSTABLE TO 3.3V
100µF
+
×5
LOAD
–
1V AT 31.25A
ADJUSTABLE TO 3.3V
100µF
+
×5
LOAD
–
1V AT 31.25A
ADJUSTABLE TO 3.3V
100µF
+
×5
LOAD
–
4681TC02
22.6k
Rev. A
27