Datasheet

LTC2974
36
2974fc
For more information www.linear.com/LTC2974
pMbus coMManD DescripTion
b[5] Mfr_auxfaultb_uc_fault_response_
chan1
Response to channel 1 IOUT_UC_FAULT.
1 = Pull AUXFAULTB low via fast pull-down.
0 = Do not pull AUXFAULTB low.
b[4] Mfr_auxfaultb_uc_fault_response_
chan0
Response to channel 0 IOUT_UC_FAULT.
1 = Pull AUXFAULTB low via fast pull-down.
0 = Do not pull AUXFAULTB low.
b[3] Mfr_track_en_chan3 Select if channel 3 is a slave in a tracked power supply system.
0: Channel is not a slave in a tracked power supply system.
1: Channel is a slave in a tracked power supply system.
b[2] Mfr_track_en_chan2 Select if channel 2 is a slave in a tracked power supply system.
0: Channel is not a slave in a tracked power supply system.
1: Channel is a slave in a tracked power supply system.
b[1] Mfr_track_en_chan1 Select if channel 1 is a slave in a tracked power supply system.
0: Channel is not a slave in a tracked power supply system.
1: Channel is a slave in a tracked power supply system.
b[0] Mfr_track_en_chan0 Select if channel 0 is a slave in a tracked power supply system.
0: Channel is not a slave in a tracked power supply system.
1: Channel is a slave in a tracked power supply system.
Figure 17. LTC2974 Configured to Control, Supervise and Monitor Power Supplies Equipped with Tracking Pin
V
OUTP
RUN
V
OUTM
V
SENSEP0
V
SENSEM0
TRACK
FAULTB0FAULTB0
LTC2974
CONTROL0
V
OUT_EN0
CONTROL0
DC/DC LOAD
V
OUTP
RUN
V
OUTM
V
SENSEP1
V
SENSEM1
TRACK
V
OUT_EN1
DC/DC LOAD
V
OUTP
RUN
V
OUTM
V
SENSEP2
V
SENSEM2
TRACK
V
OUT_EN2
DC/DC LOAD
V
OUTP
RUN
V
OUTM
V
SENSEP3
V
SENSEM3
TRACK
V
FB
V
DAC0
V
FB
V
DAC1
V
DAC3
V
FB
V
DAC2
V
FB
V
OUT_EN3
DC/DC LOAD
2974 F17
R2_3
R1_3
R2_2
R1_2
R2_1
R1_1