LTC2978C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2978C' PDF : 64 Pages View PDF
LTC2978
PMBus Command Description
MFR_VINEN_UV_FAULT_RESPONSE
This command register determines whether VOUT undervoltage faults from a given channel cause the VIN_EN pin to be
forced off.
MFR_VINEN_UV_FAULT_RESPONSE Data Contents
BIT(S) SYMBOL
OPERATION
b[7] Mfr_vinen_uv_fault_response_chan7 Response to channel 7 VOUT_UV_FAULT.
b[6] Mfr_vinen_uv_fault_response_chan6
1 = Disable VIN_EN via fast pull-down.
0 = Leave VIN_EN as-is.
Response to channel 6 VOUT_UV_FAULT.
b[5] Mfr_vinen_uv_fault_response_chan5
1 = Disable VIN_EN via fast pull-down.
0 = Leave VIN_EN as-is.
Response to channel 5 VOUT_UV_FAULT.
b[4] Mfr_vinen_uv_fault_response_chan4
1 = Disable VIN_EN via fast pull-down.
0 = Leave VIN_EN as-is.
Response to channel 4 VOUT_UV_FAULT.
b[3] Mfr_vinen_uv_fault_response_chan3
1 = Disable VIN_EN via fast pull-down.
0 = Leave VIN_EN as-is.
Response to channel 3 VOUT_UV_FAULT.
b[2] Mfr_vinen_uv_fault_response_chan2
1 = Disable VIN_EN via fast pull-down.
0 = Leave VIN_EN as-is.
Response to channel 2 VOUT_UV_FAULT.
b[1] Mfr_vinen_uv_fault_response_chan1
1 = Disable VIN_EN via fast pull-down.
0 = Leave VIN_EN as-is.
Response to channel 1 VOUT_UV_FAULT.
b[0] Mfr_vinen_uv_fault_response_chan0
1 = Disable VIN_EN via fast pull-down.
0 = Leave VIN_EN as-is.
Response to channel 0 VOUT_UV_FAULT.
1 = Disable VIN_EN via fast pull-down.
0 = Leave VIN_EN as-is.
MFR_RETRY_DELAY
This command determines the retry interval when the LTC2978 is in retry mode in response to a fault condition.
MFR_RETRY_DELAY Data Contents
BIT(S) SYMBOL
OPERATION
b[15:0] Mfr_retry_delay The data uses the L11 format.
This delay is counted using SHARE_CLK only.
Delays are rounded to the nearest 200µs.
Units: ms. Max delay is 13.1 sec.
48
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