LTC3589EUJ-1-TRPBF(RevE) View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTC3589EUJ-1-TRPBF
(Rev.:RevE)

8-Output Regulator with Sequencing and I2C

Linear Technology 

OPERATION

Table 17. LTC3589 Command Register Table

REG

NAME B[7]

B[6]

B[5]

0x33

LTC3589

L2DTV2 LDO4 Control

MODE:

0 = LDO4

Enable with

EN_LDO34

1 = LDO4

Enable with

OVEN[6]

LDO4 Output Voltage:

00 = 2.8V

01 = 2.5V

10 = 1.8V

11 = 3.3V

0x33

L2DTV2 Unused

LDO4 Output Voltage:

LTC3589-1

LTC3589-2

00 = 1.2V

01 = 1.8V

10 = 2.8V

11 = 3.2V

LTC3589/LTC3589-1/

LTC3589-2

B[4]

B[3]

B[2]

B[1]

B[0]

DEFAULT

LDO 2 Feedback Reference Input (V2)

0001 1001

00000 = 362.5mV

11001 = 675mV

11111 = 750mV

12.5mV Step Size

LDO 2 Feedback Reference Input (V2)

00000 = 362.5mV

11001 = 675mV

11111 = 750mV

12.5mV Step Size

0001 1001

Table 18. LTC3589 Read-Only Status Register Table

REG NAME B[7]

B[6]

B[5]

0x02 IRQSTAT Thermal

Limit Hard

Shutdown

Occurred

Near Thermal

Limit

Undervoltage

Hard

Shutdown

Occurred

0x13 PGSTAT LDO4 Status: LDO3 Status: LDO2 Status:

B[4]

B[3]

Near Undervoltage PGOOD

Limit

Timeout Hard

Shutdown

Occurred

Buck_Boost

Status:

Step-Down

Switching

Regulator 3

Status:

B[2]

Unused

Step-Down

Switching

Regulator 2

Status:

B[1]

Unused

Step-Down

Switching

Regulator 1

Status:

B[0]

Unused

LDO1 Status:

0 = VOUT Low 0 = VOUT Low 0 = VOUT Low 0 = VOUT Low

1 = VOUT Good 1 = VOUT Good 1 = VOUT Good 1 = VOUT Good

0 = VOUT Low 0 = VOUT Low 0 = VOUT Low 0 = VOUT Low

1 = VOUT Good 1 = VOUT Good 1 = VOUT Good 1 = VOUT Good

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