LTC3577_15 Datasheet, PDF (54/54 Pages) Linear Technology – Highly Integrated 6-Channel Portable PMIC

LTC3577/LTC3577-1
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
LTC3455
Dual DC/DC Converter with USB Power
Manager and Li-Ion Battery Charger
Seamless Transition Between Input Power Sources: Li-Ion Battery, USB and 5V Wall Adapter.
Two High Efficiency DC/DC Converters: Up to 96%. Full Featured Li-Ion Battery Charger with
Accurate USB Current Limiting (500mA/100mA). Pin Selectable Burst Mode Operation. Hot
Swap™ Output for SDIO and Memory Cards. 24-Lead 4mm × 4mm QFN Package
LTC3456
2-Cell, Multi-Output DC/DC Converter
with USB Power Manager
Seamless Transition Between 2-Cell Battery, USB and AC Wall Adapter Input Power Sources.
Main Output: Fixed 3.3V Output, Core Output: Adjustable from 0.8V to V_BATT(MIN). Hot Swap
Output for Memory Cards. Power Supply Sequencing: Main and Hot Swap Accurate USB
Current Limiting. High Frequency Operation: 1MHz. High Efficiency: Up to 92%. 24-Lead
4mm × 4mm QFN Package
LTC3552
LTC3555
Standalone Linear Li-Ion Battery
Charger with Adjustable Output Dual
Synchronous Buck Converter
I²C Controlled High Efficiency USB
Power Manager Plus Triple Step-Down
DC/DC
Synchronous Buck Converter, Efficiency: >90%, Adjustable Outputs at 800mA and 400mA,
Charge Current Programmable Up to 950mA, USB Compatible, 16-Lead 5mm × 3mm DFN
Package
Maximizes Available Power from USB Port, Bat-Track, Instant-On Operation, 1.5A Max
Charge Current, 180mΩ Ideal Diode with <50mΩ Option, 3.3V/25mA Always-On LDO, Three
Synchronous Buck Regulators, One 1A Buck-Boost Regulator, 4mm × 5mm QFN28 Package
LTC3556
High Efficiency USB Power Manager
Plus Dual Buck Plus Buck-Boost DC/DC
Maximizes Available Power from USB Port, Bat-Track, Instant-On Operation, 1.5A Max
Charge Current, 180mΩ Ideal Diode with <50mΩ Option, 3.3V/25mA Always-On LDO, Two
400mA Synchronous Buck Regulators, One 1A Buck-Boost Regulator, 4mm × 5mm QFN28
Package
LTC3557/
LTC3557-1
USB Power Manager with Li-
Ion/Polymer Charger and Triple
Synchronous Buck Converter
Complete Multifunction ASSP: Linear Power Manager and Three Buck Regulators
Charge Current Programmable Up to 1.5A from Wall Adapter Input, Thermal Regulation
Synchronous Buck Efficiency: >95%, ADJ Outputs: 0.8V to 3.6V at 400mA/400mA/600mA
Bat-Track Adaptive Output Control, 200m Ideal Diode, 4mm × 4mm QFN28 Package,
“-1” Version Has 4.1V Float Voltage.
LTC3566
LTC3567
Switching USB Power Manager with
Li-Ion/Polymer Charger, 1A Buck-Boost
Converter Plus LDO
Multifunction PMIC: Switchmode Power Manager and 1A Buck-Boost Regulator + LDO,
Charge Current Programmable Up to 1.5A from Wall Adapter Input, Thermal Regulation
Synchronous Buck-Boost Converters Efficiency: >95%, ADJ Output: Down to 0.8V at 1A,
Bat-Track Adaptive Output Control, 180mΩ Ideal Diode, LTC3567 Has I²C Interface,
4mm × 4mm QFN24 Package
LTC3576/-1
Switching USB Power Manager with
USB OTG + Triple Step-Down DC/DCs
Complete Multi-Function PMIC: Bi-Directional Switching Power Manager + 3 Bucks + LDO,
ADJ Output Down to 0.8V at 400mA/400mA/1A, Overvoltage Protection, USB On-The-Go,
Charge Current Programmable Up to 1.5A from Wall Adapter Input, Thermal Regulation, I²C,
Hi-Voltage Bat-Track Buck Interface, 180mΩ Ideal Diode, 4mm × 6mm QFN-38 Package
LTC3586
Switching USB Power Manager with
Li-Ion/Polymer Charger Plus Dual Buck
Plus Buck-Boost Plus Boost DC/DC
Maximizes Available Power from USB Port, Bat-Track, Instant-On Operation, 1.5A Max
Charge Current, 180mΩ Ideal Diode with <50mΩ Option, 3.3V/25mA Always-On LDO, Two
400mA Synchronous Buck Regulators, One 1A Buck-Boost Regulator, One 600mA Boost
Regulator, 4mm × 6mm 38-Pin QFN Package
LTC4085/
LTC4085-1
USB Power Manager with Ideal Diode Charges Single Cell Li-Ion Batteries Directly from a USB Port, Thermal Regulation, 200m Ideal
Controller and Li-Ion Charger
Diode with <50m Option, 4mm × 3mm DFN14 Package, “-1” Version Has 4.1V Float Voltage.
LTC4088
High Efficiency USB Power Manager
and Battery Charger
Maximizes Available Power from USB Port, Bat-Track, Instant-On Operation, 1.5A Max
Charge Current, 180mΩ Ideal Diode with <50m Option, 3.3V/25mA Always-On LDO,
4mm × 3mm DFN14 Package
LTC4088-1
High Efficiency USB Power Manager
and Battery Charger with Regulated
Output Voltage
Maximizes Available Power from USB Port, Bat-Track, Instant-On Operation, 1.5A Max
Charge Current, 180mΩ Ideal Diode with <50mΩ Option, Automatic Charge Current
Reduction Maintains 3.6V Minimum V_OUT, Battery Charger Disabled When All Logic Inputs
are Grounded, 3mm × 4mm DFN14 Package
LTC4088-2
LTC4098
High Efficiency USB Power Manager
and Battery Charger with Regulated
Output Voltage
USB-Compatible Switchmode Power
Manager with OVP
Maximizes Available Power from USB Port, Bat-Track, Instant-On Operation, 1.5A Max
Charge Current, 180mΩ Ideal Diode with <50mΩ Option, Automatic Charge Current
Reduction Maintains 3.6V Minimum V_OUT, 3mm × 4mm DFN14 Package
High V_IN: 38V Operating, 60V Transient; 66V OVP. Maximizes Available Power from USB
Port, Bat-Track, Instant-On Operation, 1.5A Max Charge Current from Wall, 600mA Charge
Current from USB, 180mΩ Ideal Diode with <50mΩ Option; 3mm × 4mm
Ultrathin QFN20 Package
Hot Swap is a trademark of Linear Technology Corporation.
54 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3577fa
LT 1209 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2009