LTC3589 datasheet(41/50 Pages) LINER

41 / 50 page

LTC3589/LTC3589-1/

LTC3589-2

3589fe

Table 18. LTC3589 Read-Only Status Register Table

REG

NAME

B[7]

B[6]

B[5]

B[4]

B[3]

B[2]

B[1]

B[0]

0x02

IRQSTAT Thermal

Limit Hard

Shutdown

Occurred

Near Thermal

Limit

Undervoltage

Hard

Shutdown

Occurred

Near Undervoltage

Limit

PGOOD

Timeout Hard

Shutdown

Occurred

Unused

0x13

PGSTAT

LDO4 Status:

0 = VOUT Low

1 = VOUT Good

LDO3 Status:

0 = VOUT Low

1 = VOUT Good

LDO2 Status:

0 = VOUT Low

1 = VOUT Good

Buck_Boost

Status:

0 = VOUT Low

1 = VOUT Good

Step-Down

Switching

Regulator 3

Status:

0 = VOUT Low

1 = VOUT Good

Step-Down

Switching

Regulator 2

Status:

0 = VOUT Low

1 = VOUT Good

Step-Down

Switching

Regulator 1

Status:

0 = VOUT Low

1 = VOUT Good

LDO1 Status:

0 = VOUT Low

1 = VOUT Good

Table 17. LTC3589 Command Register Table

REG

NAME

B[7]

B[6]

B[5]

B[4]

B[3]

B[2]

B[1]

B[0]

DEFAULT

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

LDO 2 Feedback Reference Input (V2)

00000 = 362.5mV

11001 = 675mV

11111 = 750mV

12.5mV Step Size

0001 1001

0x33

LTC3589-1

LTC3589-2

L2DTV2 Unused

LDO4 Output Voltage:

00 = 1.2V

01 = 1.8V

10 = 2.8V

11 = 3.2V

LDO 2 Feedback Reference Input (V2)

00000 = 362.5mV

11001 = 675mV

11111 = 750mV

12.5mV Step Size

0001 1001

OPERATION

LTC3589 Fiches technique(PDF) 41 Page - Linear Technology

LTC3589 Fiches technique(HTML) 41 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

Fiches technique Télécharger

Lien URL