LTC3550EDHC-1#TR Linear Technology, LTC3550EDHC-1#TR Datasheet - Page 24

• Manufacturer Part Number: LTC3550EDHC-1#TR
• Description: IC,Battery Management,CMOS,LLCC,16PIN,PLASTIC
• Manufacturer: Linear Technology
• Type: Battery Chargerr

Specifications of LTC3550EDHC-1#TR

• Battery Type: Li-Ion
• Output Current: 800mA
• Output Voltage: 4.2V
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Mounting: Surface Mount
• Pin Count: 16
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Not Compliant

PowerPath and ThinSOT are trademarks of Linear Technology Corporation.
LTC3550-1
TYPICAL APPLICATIO S
RELATED PARTS
24
PART NUMBER
LTC3406/LTC3406B 1.5MHz, 600mA Synchronous
LTC3455
LTC3456
LTC4054
LTC4055
LTC4058
LTC4063
LTC4068
LTC4075
LTC4076
LTC4077
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Step-Down DC/DC Converter in ThinSOT
Dual DC/DC Converter with USB Power
Management and Li-Ion Battery Charger
2-Cell Multi-Output DC/DC Converter
with USB Power Manager
Standalone Linear Li-Ion Battery Charger
with Integrated Pass Transistor in
ThinSOT
USB Power Controller and Battery Charger Charges Single-Cell Li-Ion Batteries Directly from USB Port, Thermal Regulation,
Standalone 950mA Lithium-Ion Charger
in DFN
Standalone Li-Ion Charger Plus LDO
Standalone Linear Li-Ion Battery Charger
with Programmable Termination
Dual Input Standalone Li-Ion Battery
Charger
Dual Input Standalone Li-Ion Battery
Charger
Dual Input Standalone Li-Ion Battery
Charger
POWER
USB
●
FAX: [phone]
2.1k
1%
Dual Input Charger Plus Step-Down Converter with Wall Adapter PowerPath
1.24k
1%
1µF
U
●
1k
1%
www.linear.com
USBIN
IUSB
IDC
ITERM
LTC3550-1
GND
TM
COMMENTS
V
Effi ciency >96%, Accurate USB Current Limiting (500mA/100mA), 4mm × 4mm
QFN-24 Package
Seamless Transition Between 2-Cell Battery, USB and AC Wall Adapter Input Power
Sources, QFN Package
Thermal Regulation Prevents Overheating, C/10 Termination, Up to 800mA
Charge Current
4mm × 4mm QFN-16 Package
C/10 Charge Termination, Battery Kelvin Sensing, ±7% Charge Accuracy
4.2V, ±0.35% Float Voltage, Up to 1A Charge Current, 100mA LDO
Charge Current up to 950mA, Thermal Regulation, 3mm × 3mm DFN-8 Package
Charges Single-Cell Li-Ion Batteries from Wall Adapter and USB Inputs with Automatic
Input Power Detection and Selection, 950mA Charger Current, Thermal Regulation,
C/X Charge Termination, 3mm × 3mm DFN Package
Charges Single-Cell Li-Ion Batteries from Wall Adapter and USB Inputs with Automatic
Input Power Detection and Selection, 950mA Charger Current, Thermal Regulation, USB
Low Power Mode Select, C/X Charge Termination, 3mm × 3mm DFN Package
Charges Single-Cell Li-Ion Batteries from Wall Adapter and USB Inputs with
Automatic Input Power Detection and Selection, 950mA Charger Current, Thermal
Regulation, Programmable USB Low Power Mode, C/10 Charge Termination,
3mm × 3mm DFN Package
DCIN
V
BAT
IN
V
OUT
SW
CC
: 2.5V to 5.5V, V
2.2µH
1µF
4.7µF
OUT(MIN
10µF
CER
) = 0.6V, I
1k
V
1.875V
600mA
Q
OUT
WALL ADAPTER
= 20µA, ThinSOT Package
800mA (WALL)
475mA (USB)
+
© LINEAR TECHNOLOGY CORPORATION 2005
4.2V
SINGLE-CELL
Li-Ion BATTERY
™
3550-1 TA04
LT 1205 • PRINTED IN USA
35501f