LTC3589HUJ#PBF Linear Technology, LTC3589HUJ#PBF Datasheet - Page 38

• 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
LTC3589/LTC3589-1
Table 17. LTC3589 Command Register Table
REG
0x21
0x23
0x24
0x25
0x26
0x27
0x29
38
NAME B[7]
CLIRQ
B1DTV1 Step-Down Switching
B1DTV2 Keep-Alive
VRRCR LDO2 Dynamic Reference
B2DTV1 Unused
B2DTV2 Keep-Alive
B3DTV1 Unused
Regulator Switch DV/DT
Control:
00 = 1ns
01 = 2ns
10 = 4ns
11 = 8ns
Mode:
0 = Normal
Shutdown
1 = Keep-Alive
Slew Rate:
00 = 0.88mV/μs
01 = 1.75mV/μs
10 = 3.5mV/μs
11 = 7mV/μs
Mode:
0 = Normal
Shutdown
1 = Keep-Alive
B[6]
Phase
Select:
0 = Clock
Phase 1
1 = Clock
Phase 2
Phase
Select:
0 = Clock
Phase 1
1 = Clock
Phase 2
B[5]
PGOOD
Mask:
0 = PGOOD
Low When
Slewing
1 = PGOOD
Not Forced
Low When
Slewing.
Step-Down
Switching
Regulator 1
Clock Rate
0 = 2.25MHz
1 = 1.12MHz
Step-Down Switching
Regulator 3 Dynamic
Reference Slew Rate:
00 = 0.88mV/μs
01 = 1.75mV/μs
10 = 3.5mV/μs
11 = 7mV/μs
PGOOD
Mask:
0 = PGOOD
Low When
Slewing
1 = PGOOD
Not Forced
Low When
Slewing.
Step-Down
Switching
Regulator 2
Clock Rate
0 = 2.25MHz
1 = 1.125MHz
PGOOD
Mask:
0 = PGOOD
Low When
Slewing
1 = PGOOD
Not Forced
Low When
Slewing.
B[4]
Step-Down Switching Regulator 1 Feedback Reference Input (V1)
00000 = 362.5mV
11001 = 675mV
11111 = 750mV
12.5mV Step Size
Step-Down Switching Regulator 1 Feedback Reference Input (V2)
00000 = 362.5mV
11001 = 675mV
11111 = 750mV
12.5mV Step Size
Step-Down Switching Regulator 2 Feedback Reference Input (V1)
00000 = 362.5mV
11001 = 675mV
11111 = 750mV
12.5mV Step Size
Step-Down Switching Regulator 2 Feedback Reference Input (V2)
00000 = 362.5mV
11001 = 675mV
11111 = 750mV
12.5mV Step Size
Step-Down Switching Regulator 3 Feedback Reference Input (V1)
00000 = 362.5mV
11001 = 675mV
11111 = 750mV
12.5mV Step Size
B[3]
Step-Down Switching
Regulator 2 Dynamic
Reference Slew Rate:
00 = 0.88mV/μs
01 = 1.75mV/μs
10 = 3.5mV/μs
11 = 7mV/μs
B[2]
B[1]
Step-Down Switching
Regulator 1 Dynamic
Reference Slew Rate:
00 = 0.88mV/μs
01 = 1.75mV/μs
10 = 3.5mV/μs
11 = 7mV/μs
B[0]
DEFAULT
0001 1001
0001 1001
1111 1111
0001 1001
0001 1001
0001 1001
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