LTC3883 Datasheet, PDF(94/112 Page) Linear Technology – Single Phase Step-Down DC/DC Controller with Digital Power System Management

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LTC3883 Datasheet, PDF (94/112 Pages) Linear Technology – Single Phase Step-Down DC/DC Controller with Digital Power System Management

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LTC3883/LTC3883-1

PMBus Command Details

If any of the bits in the upper byte are set, NONE_OF_THE_ABOVE is asserted.

[14] Bit 14 of this command will be set by an IOUT_OC Warning or IOUT_OC Fault condition.

This command has two data bytes.

STATUS_VOUT

The STATUS_VOUT commands returns one byte with status information on VOUTâ.

Bit 0 of this command is undefined and reserved in the LTC3883.

The user is permitted to write a 1 to any bit in this command to clear a specific fault. This permits the user to clear

status by means other than using the CLEAR_FAULTS command.

Any supported fault bit in this command will initiate an ALERT event.

This command has one data byte.

STATUS_IOUT

The STATUS_IOUT commands returns one byte with status information on IOUT.

Only bits 7, 6, and 5 are supported in the LTC3883.

The user is permitted to write a 1 to any bit in this command to clear a specific fault. This permits the user to clear

status by means other than using the CLEAR_FAULTS command.

Any supported fault bit in this command will initiate an ALERT event.

This command has one data byte.

STATUS_INPUT

The STATUS_INPUT commands returns one byte with status information on VIN.

Only bits 7, 5 and 1 are supported in the LTC3883.

The user is permitted to write a 1 to any bit in this command to clear a specific fault. This permits the user to clear

status by means other than using the CLEAR_FAULTS command.

Any supported fault bit in this command will initiate an ALERT event. Bit 3 of this command is not latched and will not

generate an ALERT even if it is set.

This command has one data byte.

STATUS_TEMPERATURE

The STATUS_TEMPERATURE commands returns one byte with status information on temperature. This command is

related to the respective READ_TEMPERATURE_1 value.

Only bits 7, 6 and 4 are supported in the LTC3883.

The user is permitted to write a 1 to any bit in this command to clear a specific fault. This permits the user to clear

status by means other than using the CLEAR_FAULTS command.

Any supported fault bit in this command will initiate an ALERT event.

This command has one data byte.

3883f

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