LTC2978 datasheet(48/64 Pages) LINER

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LTC2978

2978fa

operaTion

MFR_VOUT_MIN

This command returns the minimum ADC measured value

of the channel’s output voltage. The contents of this reg-

ister is reset to ‘hFFFF when the LTC2978 emerges from

power-on reset or when a CLEAR_FAULTS command is

executed. When odd channels are configured to measure

current, this command is not supported.

MFR_VOUT_MIN Data Contents

BIT(S)

SYMBOL

OPERATION

b[15:0]

Mfr_vout_min

The data uses the linear mode format

as defined by VOUT_MODE:

V(mfr_vout_min) = Y • 2N

Where Y = b[15:0] is an unsigned

integer and N = Vout_mode_parameter

is a 5-bit two’s complement exponent

that’s hardwired to a value of –13

decimal.

Units: V.

MFR_VIN_MIN

This command returns the minimum ADC measured value

of the input voltage. The contents of this register is reset

to ‘h7BFF when the LTC2978 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 linear format:

V(mfr_vin_min) = Y • 2N

Where N = b[15:11] is a 5-bit two’s

complement integer and

Y = b[10:0] is an 11-bit two’s

complement integer

Units: V.

MFR_TEMPERATURE_MIN

This command returns the minimum ADC measured

value of junction temperature in °C as determined by the

LTC2978’s internal temperature sensor. The contents of

this register is reset to ‘h7BFF when the LTC2978 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 linear format:

V(mfr_vin_min) = Y • 2N

Where N = b[15:11] is a 5-bit two’s

complement integer and

Y = b[10:0] is an 11-bit two’s

complement integer

Units: °C.

LTC2978 Datasheet(PDF) 48 Page - Linear Technology

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