LTC4055 Linear Technology, LTC4055 Datasheet - Page 24

• Manufacturer Part Number: LTC4055
• Description: USB Power Controller and Li-Ion Linear Charger
• Manufacturer: Linear Technology

RELATED PARTS
LTC4055
PART NUMBER
Battery Chargers
LTC1733
LTC1734
LTC1734L
LTC4002
LTC4050
LTC4052
LTC4053
LTC4054
LTC4057
LTC4058
LTC4059
LTC4411/LTC4412
Power Management
LTC3405/LTC3405A 300mA (I
LTC3406/LTC3406A 600mA (I
LTC3411
LTC3440
ThinSOT and PowerPath are trademarks of Linear Technology Corporation.
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
DESCRIPTION
Monolithic Lithium-Ion Linear Battery Charger
Lithium-Ion Linear Battery Charger in ThinSOT
Lithium-Ion Linear Battery Charger in ThinSOT
Switch Mode Lithium-Ion Battery Charger
Lithium-Ion Linear Battery Charger Controller
Monolithic Lithium-Ion Battery Pulse Charger
USB Compatible Monolithic Li-Ion Battery Charger
Standalone Linear Li-Ion Battery Charger
with Integrated Pass Transistor in ThinSOT
Lithium-Ion Linear Battery Charger
Standalone 950mA Lithium-Ion Charger in DFN
900mA Linear Lithium-Ion Battery Charger
Low Loss PowerPath
DC/DC Converter
DC/DC Converter
1.25A (I
DC/DC Converter
600mA (I
DC/DC Converter
OUT
OUT
OUT
OUT
), 4MHz, Synchronous Step-Down
), 1.5MHz, Synchronous Step-Down
), 1.5MHz, Synchronous Step-Down
), 2MHz, Synchronous Buck-Boost
TM
Controller in ThinSOT
www.linear.com
TM
COMMENTS
Standalone Charger with Programmable Timer, Up to 1.5A Charge Current
Simple ThinSOT Charger, No Blocking Diode, No Sense Resistor Needed
Low Current Version of LTC1734; 50mA I
Standalone, 4.7V VIN 24V, 500kHz Frequency, 3 Hour Charge Termination
Features Preset Voltages, C/10 Charger Detection and Programmable Timer,
Input Power Good Indication, Thermistor Interface
No Blocking Diode or External Power FET Required, 1.5A Charge Current
Standalone Charger with Programmable Timer, Up to 1.25A Charge Current
Thermal Regulation Prevents Overheating, C/10 Termination,
C/10 Indicator, Up to 800mA Charge Current
Up to 800mA Charge Current, Thermal Regulation, ThinSOT Package
C/10 Charge Termination, Battery Kelvin Sensing, 7% Charge Accuracy
2mm 2mm DFN Package, Thermal Regulation, Charge Current Monitor
Output
Automatic Switching Between DC Sources, Load Sharing,
Replaces ORing Diodes
95% Efficiency, V
ThinSOT Package
95% Efficiency, V
ThinSOT Package
95% Efficiency, V
MS10 Package
95% Efficiency, V
MS Package
IN
IN
IN
IN
= 2.7V to 6V, V
= 2.5V to 5.5V, V
= 2.5V to 5.5V, V
= 2.5V to 5.5V, V
OUT
OUT
OUT
OUT
= 0.8V, I
= 0.6V, I
= 0.8V, I
= 2.5V, I
LINEAR TECHNOLOGY CORPORATION 2004
CHRG
LT/TP 0104 1K • PRINTED IN THE USA
Q
= 20 A, I
Q
Q
Q
180mA
= 20 A, I
= 60 A, I
= 25 A, I
SD
SD
SD
SD
< 1 A,
< 1 A,
< 1 A,
< 1 A,
4055p