Datasheet

LTC2977
61
2977fa
For more information www.linear.com/LTC2977
PMBus COMMAND DESCRIPTION
MFR_VOUT_MIN
This command returns the minimum ADC measured value of the channel’s output voltage. This register is
reset to 0xFFFF (7.999) when the LTC2977 emerges from power-on reset or when a CLEAR_FAULTS com
-
mand is executed. When odd channels are configured to measure current, this command is not supported.
Updates are disabled when undervoltage detection is disabled, such as when Margin Low (Ignore Faults and
Warnings) is enabled.
MFR_VOUT_MIN Data Contents
BIT(S) SYMBOL OPERATION
b[15:0] Mfr_vout_min The data uses the L16 format.
Units: V.
MFR_VIN_MIN
This command returns the minimum ADC measured value of the input voltage. This register is reset to 0x7BFF
(approximately 2
25
) when the LTC2977 emerges from power-on reset or when a CLEAR_FAULTS command is executed.
Updates are disabled when unit is off for insufficient input voltage.
MFR_VIN_MIN Data Contents
BIT(S) SYMBOL OPERATION
b[15:0] Mfr_vin_min The data uses the L11 format.
Units: V.
MFR_TEMPERATURE_MIN
This command returns the minimum ADC measured value of junction temperature in °C as determined by the LTC2977’s
internal temperature sensor. This register is reset to 0x7BFF (approximately 2
25
) when the LTC2977 emerges from
power-on reset or when a CLEAR_FAULTS command is executed.
MFR_TEMPERATURE_MIN Data Contents
BIT(S) SYMBOL OPERATION
b[15:0] Mfr_temperature_min The data uses the L11 format.
Units: °C.