LTC3589HUJ#PBF Linear Technology, LTC3589HUJ#PBF Datasheet - Page 39

• Manufacturer Part Number: LTC3589HUJ#PBF
• Description: IC DC/DC CONV 8-OUTPUT 40QFN
• Manufacturer: Linear Technology

Specifications of LTC3589HUJ#PBF

• Applications: Handheld/Mobile Devices
• Current - Supply: 8µA
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: *
• Primary Input Voltage: 5.5V
• No. Of Outputs: 8
• Output Voltage: 5V
• Output Current: 1.6A
• No. Of Pins: 40
• Operating Temperature Range: -40°C To +150°C
• Msl: MSL 1 - Unlimited
• No. Of Ldo Regulators: 3
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

OPERATION
Table 17. LTC3589 Command Register Table
REG
0x2A
0x32
0x33
LTC3589
0x33
LTC3589-1
Table 18. LTC3589 Read-Only Status Register Table
0x02
0x13
REG
IRQSTAT Thermal
PGSTAT
NAME
NAME B[7]
B3DTV2 Keep-Alive
L2DTV1 Keep-Alive
L2DTV2 LDO4 Control
L2DTV2 Unused
Limit Hard
Shutdown
Occurred
LDO4 Status:
0 = V
1 = V
B[7]
Mode:
0 = Normal
Shutdown
1 = Keep-Alive
Mode:
0 = Normal
Shutdown
1 = Keep-Alive
MODE:
0 = LDO4
Enable with
EN_LDO34
1 = LDO4
Enable with
OVEN[6]
OUT
OUT
Low
Good
Near Thermal
Limit
LDO3 Status:
0 = V
1 = V
B[6]
B[6]
Phase
Select:
0 = Clock
Phase 1
1 = Clock
Phase 2
Unused
LDO4 Output Voltage:
00 = 2.8V
01 = 2.5V
10 = 1.8V
11 = 3.3V
LDO4 Output Voltage:
00 = 1.2V
01 = 1.8V
10 = 2.8V
11 = 3.2V
OUT
OUT
Low
Good
Undervoltage
Hard
Shutdown
Occurred
LDO2 Status:
0 = V
1 = V
B[5]
Step-Down
Switching
Regulator 3
Clock Rate
0 = 2.25MHz
1 = 1.125MHz
PGOOD
Mask:
0 = PGOOD
Low When
Slewing
1 = PGOOD
Not Changed
When
Slewing.
B[5]
OUT
OUT
Low
Good
B[4]
Step-Down Switching Regulator 3 Feedback Reference Input (V2)
00000 = 362.5mV
11001 = 675mV
11111 = 750mV
12.5mV Step Size
LDO 2 Feedback Reference Input (V1)
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
LDO 2 Feedback Reference Input (V2)
00000 = 362.5mV
11001 = 675mV
11111 = 750mV
12.5mV Step Size
Near Undervoltage
Limit
Buck_Boost
Status:
0 = V
1 = V
B[4]
OUT
OUT
Low
Good
B[3]
PGOOD
Timeout Hard
Shutdown
Occurred
Step-Down
Switching
Regulator 3
Status:
0 = V
1 = V
B[3]
OUT
OUT
B[2]
Low
Good
LTC3589/LTC3589-1
Unused
Step-Down
Switching
Regulator 2
Status:
0 = V
1 = V
B[2]
OUT
OUT
B[1]
Low
Good
Unused
Step-Down
Switching
Regulator 1
Status:
0 = V
1 = V
B[1]
OUT
OUT
B[0]
Low
Good
Unused
LDO1 Status:
0 = V
1 = V
B[0]
OUT
OUT
DEFAULT
0001 1001
0001 1001
0001 1001
0001 1001
39
Low
Good
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