LTC3577EUFF#PBF Linear Technology, LTC3577EUFF#PBF Datasheet - Page 54

• Manufacturer Part Number: LTC3577EUFF#PBF
• Description: IC PWR MANAGEMENT HANDHELD 44QFN
• Manufacturer: Linear Technology

Specifications of LTC3577EUFF#PBF

• Applications: Handheld/Mobile Devices
• Voltage - Supply: 4.35 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -

LTC3577/LTC3577-1
RELATED PARTS
54
PART NUMBER
LTC3455
LTC3456
LTC3552
LTC3555
LTC3556
LTC3557/
LTC3557-1
LTC3566
LTC3567
LTC3576/-1
LTC3586
LTC4085/
LTC4085-1
LTC4088
LTC4088-1
LTC4088-2
LTC4098
Hot Swap is a trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Dual DC/DC Converter with USB Power
Manager and Li-Ion Battery Charger
2-Cell, Multi-Output DC/DC Converter
with USB Power Manager
Standalone Linear Li-Ion Battery
Charger with Adjustable Output Dual
Synchronous Buck Converter
I
Power Manager Plus Triple Step-Down
DC/DC
High Effi ciency USB Power Manager
Plus Dual Buck Plus Buck-Boost DC/DC
USB Power Manager with Li-
Ion/Polymer Charger and Triple
Synchronous Buck Converter
Switching USB Power Manager with
Li-Ion/Polymer Charger, 1A Buck-Boost
Converter Plus LDO
Switching USB Power Manager with
USB OTG + Triple Step-Down DC/DCs
Switching USB Power Manager with
Li-Ion/Polymer Charger Plus Dual Buck
Plus Buck-Boost Plus Boost DC/DC
USB Power Manager with Ideal Diode
Controller and Li-Ion Charger
High Efficiency USB Power Manager
and Battery Charger
High Effi ciency USB Power Manager
and Battery Charger with Regulated
Output Voltage
High Effi ciency USB Power Manager
and Battery Charger with Regulated
Output Voltage
USB-Compatible Switchmode Power
Manager with OVP
2
C Controlled High Effi ciency USB
●
FAX: [phone]
●
www.linear.com
COMMENTS
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
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
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
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
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
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.
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 Effi ciency: >95%, ADJ Output: Down to 0.8V at 1A,
Bat-Track Adaptive Output Control, 180mΩ Ideal Diode, LTC3567 Has I
4mm × 4mm QFN24 Package
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, I
Hi-Voltage Bat-Track Buck Interface, 180mΩ Ideal Diode, 4mm × 6mm QFN-38 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, Two
400mA Synchronous Buck Regulators, One 1A Buck-Boost Regulator, One 600mA Boost
Regulator, 4mm × 6mm 38-Pin QFN Package
Charges Single Cell Li-Ion Batteries Directly from a USB Port, Thermal Regulation, 200m Ideal
Diode with <50m Option, 4mm × 3mm DFN14 Package, “-1” Version Has 4.1V Float Voltage.
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
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
are Grounded, 3mm × 4mm DFN14 Package
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
High V
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
IN
: 38V Operating, 60V Transient; 66V OVP . Maximizes Available Power from USB
OUT
OUT
, Battery Charger Disabled When All Logic Inputs
, 3mm × 4mm DFN14 Package
© LINEAR TECHNOLOGY CORPORATION 2009
LT 1209 REV A • PRINTED IN USA
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