LT3650-4.1/LT3650-4.2
22
36504142fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2009
LT 1212 REV C • PRINTED IN USA
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LT1511 3A Constant-Current/Constant-Voltage
Battery Charger
High Efficiency, Minimum External Components to Fast Charge Lithium, NIMH and NiCd
Batteries, 24-Lead SO Package
LT1513 SEPIC Constant or Programmable Current/
Constant-Voltage Battery Charger
Charger Input Voltage May Be Higher, Equal to or Lower Than Battery Voltage, 500kHz
Switching Frequency, DD-Pak and TO-220 Packages
LT1571 1.5A Switching Charger 1- or 2-Cell Li-Ion, 500kHz or 200kHz Switching Frequency, Termination Flag, 16- and
28-Lead SSOP Packages
LT1769 2A Switching Charger Constant-Current/Constant-Voltage Switching Regulator, Input Current Limiting
Maximizes Charge Current, 20-Lead TSSOP and 28-Lead SSOP Packages
LT3650-8.2/
LT3650-8.4
Monolithic 2A Switch Mode
Nonsynchronous 2-Cell Li-Ion
Battery Charger
Standalone, 9V ≤ V
IN
≤ 32V (40V Abs Max), 1MHz, 2A Programmable Charge Current,
Timer or C/10 Termination, Small and Few External Components, LT3650-8.2 for 2 × 4.1V
Float Voltage Batteries, LT3650-8.4 for 2 × 4.2V Float Voltage Batteries, 3mm × 3mm
DFN-12 Package
LTC4001/
LTC4001-1
Monolithic 2A Switch Mode Synchronous
Li-Ion Battery Charger
Standalone, 4V ≤ V
IN
≤ 5.5V (6V Abs Max, 7V Transient), 1.5MHz, Synchronous
Rectification Efficiency >90%, Adjustable Timer Termination, Small and Few External
Components, LTC4001-1 for 4.1V Float Voltage Batteries, 4mm × 4mm QFN-16 Package
LTC4002 Standalone Li-Ion Switch Mode
Battery Charger
Complete Charger for 1- or 2-Cell Li-Ion Batteries, Onboard T
imer Termination,
Up to 4A Charge Current, 10-Lead DFN and SO-8 Packages
LTC4006 Small, High Efficiency, Fixed Voltage Li-Ion
Battery Charger with Termination
Complete Charger for 2-, 3- or 4-Cell Li-Ion Batteries, AC Adapter Current Limit and
Thermistor Sensor, 16-Lead Narrow SSOP Package
LTC4007 High Efficiency, Programmable Voltage
Battery Charger with Termination
Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter Current Limit, Thermistor
Sensor and Indicator Outputs, 24-Lead SSOP Package
LTC4008 4A, High Efficiency, Multi-Chemistry
Battery Charger
Complete Charger for 2- to 6-Cell Li-Ion Batteries or 4- to 18-Cell Nickel Batteries,
Up to 96% Efficiency, 20-Lead SSOP Package
LTC4009/
LTC4009-1/
LTC4009-2
4A, High Efficiency, Multi-Chemistry
Battery Charger
Constant-Current/Constant-Voltage Switching Regulator Charger, Resistor Voltage/
Current Programming, AC Adapter Current Limit and Thermistor Sensor and Indicator
Outputs 1- to 4-Cell Li, Up to 18-Cell Ni, SLA and Supercap Compatible; 4mm × 4mm
QFN-20 Package, LTC4009-1 Version for 4.1V Float Voltage Li-Ion, LTC4009-2 Version for
4.2V Float Voltage Li-Ion Cells.
10V to 32V 1.5A Charger with C/10 Termination and 1A Input Supply Limit.
Status Pins Use LED Indicators
365042 TA04
SW
V
IN
CLP
RNG/SS
BOOST
SENSE
BAT
NTC
TIMER
BAS40
B240A
SYSTEM LOAD
1µF
10µH
0.068Ω
LT3650
10µF
0.1µF
INPUT SUPPLY
10V TO 32V
AT 1A
10µF
47k
0.05Ω
SHDN
CHRG
FAULT
10k
330k
10k
B = 3380
10k
+
