LTC3589HUJ#PBF Linear Technology, LTC3589HUJ#PBF Datasheet - Page 2

• 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

LTC3589/LTC3589-1
Features ............................................................................................................................ 1
Applications ....................................................................................................................... 1
Typical Application ............................................................................................................... 1
Description......................................................................................................................... 1
Absolute Maximum Ratings ..................................................................................................... 3
Pin Configuration ................................................................................................................. 3
Order Information ................................................................................................................. 3
Electrical Characteristics ........................................................................................................ 4
Typical Performance Characteristics .......................................................................................... 9
Pin Functions .....................................................................................................................13
Block Diagram ....................................................................................................................15
Operation..........................................................................................................................16
Applications Information .......................................................................................................41
Typical Application ..............................................................................................................43
Package Description ............................................................................................................44
Revision History .................................................................................................................45
Typical Application ..............................................................................................................46
Related Parts .....................................................................................................................46
TABLE OF CONTENTS
2
Introduction .......................................................................................................................................................... 16
Always-On LDO ..................................................................................................................................................... 17
LTC3589 to LTC3589-1 Functional Comparison .................................................................................................... 17
Step-Down Switching Regulators ......................................................................................................................... 19
Buck-Boost Switching Regulator .......................................................................................................................... 23
Slewing DAC Reference Operation ........................................................................................................................ 27
Pushbutton Operation ........................................................................................................................................... 28
Enable and Power-On Sequencing ........................................................................................................................ 30
Fault Detection, Shutdown, and Reporting ............................................................................................................ 31
I
Thermal Considerations and Board Layout ........................................................................................................... 40
2
C Operation ........................................................................................................................................................ 33
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