72
Rev. B
For more information
TYPICAL APPLICATIONS
Figure 45. 60A, 0.9V Output DC/DC µModule Regulator with I
2
C/SMBus/PMBus Serial Interface
V
OSNS0
–
AND
V
OSNS1
–
AT
REMOTE GND
POINT
0.9V AT 60A
PGOOD
V
DD33
V
DD33
V
DD33
1mΩ
22µF
×5
100µF
×5
100µF
×5
470µF
×2
470µF
×2
2200pF
100pF
2.2µF
150µF
10k
10k
10k
V
OSNS0
+
V
OSNS0
–
FAULT0
FAULT1
V
DD33
V
DD25
WP
SYNC
V
IN0
INT
V
CC
V
OUT0
SCL
SDA
RUN0
RUN1
EXT
V
CC
SW0
SW1
COMP1a
COMP1b
PGOOD0
PGOOD1
COMP0a
V
IN1
COMP0b
VTRIM1_CFG
V
OSNS1
+
VTRIM0_CFG
VOUT0_CFG
V
OUT1
ALERT
SHARE_CLK
VOUT1_CFG
GND
SV
IN
V
OSNS1
–
TSNS0a
TSNS0b
SGND
TSNS1a
TSNS1b
FSWPH_CFG
ASEL
IN
+
IN
–
LTM4680
10k
10k
10k
10k
4.99k
22.6k
5.75V TO 16V
ON/OFFCONFIG
FAULT INTERRUPTS
V
IN
I
2
C/SMBus INTERFACE WITH PMBus COMMAND SET
TO/FROM IPMI OR OTHER BOARD
MANAGEMENT CONTROLLER
CONFIG RESISTORS ARE
TO BE 1%, 50PPM
825Ω
22.6k
LOAD
• SLAVE ADDRESS = 1001110_R/W (0X4E)
• 350kHz SWITCHING FREQUENCY
• NO GUI CONFIGURATION AND NO PART-SPECIFIC PROGRAMMING REQUIRED
EXCEPT: VIN_OFF < VIN_UV_WARN_LIMIT, VIN_ON <6.3V
• IN MULTI-MODULE SYSTEMS, CONFIGURING RAIL_ADDRESS IS RECOMMENDED
• EA-GM, R
COMP
, V
OUT
RANGE, I
LIM
RANGE, REFER TO TABLE 14
0Ω
+
+
V
DD33
4680 F45
