LTC3589HUJ#PBF Linear Technology, LTC3589HUJ#PBF Datasheet - Page 37

• 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
0x07
0x10
0x12
LTC3589
0x12
LTC3589-1
0x20
NAME B[7]
SCR1
OVEN
SCR2
SCR2
VCCR LDO2
Software
Control Mode:
0 = Enable
with Pin or
OVEN Register
1 = Enable/
Disable with
OVEN Register
Only
Mask PGOOD
Hard
Shutdown:
0 = Allow
PGOOD
Timeout Hard
Shutdown.
1 = Inhibit
PGOOD Hard
Shutdown.
Mask PGOOD
Hard
Shutdown:
0 = Inhibit
PGOOD
Timeout Hard
Shutdown.
1 = Allow
PGOOD Hard
Shutdown.
Reference
Select:
0 =
L2DTV1[4-0]
1 =
L2DTV2[4-0]
B[6]
Buck-Boost
Mode:
0 = Continuous
1 = Burst Mode
EN_LDO4
LDO4
Start-Up:
0 = Wait for
Output < 300mV
Before Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
LDO4
Start-Up:
0 = Wait for
Output < 300mV
Before Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Start LDO2
Slew:
0 = Went
1 = GO
B[5]
Step-Down Switching
Regulator 3 Mode :
0 0 = Pulse-Skipping
0 1 = Burst
1 0 = Forced Continuous
EN_LDO3
LDO3
Start-Up:
0 = Wait
for Output
< 300mV
Before Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
LDO3
Start-Up:
0 = Wait
for Output
< 300mV
Before Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Step-Down
Switching
Regulator 3
Reference
Select:
0 =
B3DTV1[4-0]
1 =
B3DTV2[4-0]2
B[4]
EN_LDO2
LDO2
Start-Up:
0 = Wait for
Output <
300mV Before
Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
LDO2
Start-Up:
0 = Wait for
Output <
300mV Before
Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Start
Step-Down
Switching
Regulator 3
Slew:
0 = Went
1= GO
B[3]
Step-Down Switching
Regulator 2 Mode :
0 0 = Pulse-Skipping
0 1 = Burst
1 0 = Forced Continuous
EN4
Buck-Boost
Start-Up:
0 = Wait
for Output
< 300mV
Before Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Buck-Boost
Start-Up:
0 = Wait
for Output
< 300mV
Before Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Step-Down
Switching
Regulator 2
Reference
Select:
0 =
B2DTV1[4-0]
1 =
B2DTV2[4-0]
B[2]
EN3
Step-Down
Switching
Regulator 3
Start-Up:
0 = Wait
for Output
< 300mV
Before Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Step-Down
Switching
Regulator 3
Start-Up:
0 = Wait
for Output
< 300mV
Before Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Start
Step-Down
Switching
Regulator 2
Slew:
0 = Went
1= GO
LTC3589/LTC3589-1
B[1]
Step-Down Switching
Regulator 1 Mode :
0 0 = Pulse-Skipping
0 1 = Burst
1 0 = Forced Continuous
EN2
Step-Down
Switching
Regulator 2
Start-Up:
0 = Wait
for Output
< 300mV Before
Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Step-Down
Switching
Regulator 2
Start-Up:
0 = Wait
for Output
< 300mV Before
Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Step-Down
Switching
Regulator 1
Reference
Select:
0 =
B1DTV1[4-0]
1 =
B1DTV2[4-0]2
B[0]
EN1
Step-Down
Switching
Regulator 1
Start-Up:
0 = Wait for
Output <
300mV Before
Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Step-Down
Switching
Regulator 1
Start-Up:
0 = Wait for
Output <
300mV Before
Enable
1 = Don’t Wait
and Disable
Discharge
Resistor.
Start
Step-Down
Switching
Regulator 1
Slew:
0 = Went
1= GO
DEFAULT
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
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