LT3650EDD-4.1#PBF Linear Technology, LT3650EDD-4.1#PBF Datasheet - Page 20

• Manufacturer Part Number: LT3650EDD-4.1#PBF
• Description: IC CHARGER LI-ION 2A 12-DFN
• Manufacturer: Linear Technology

Specifications of LT3650EDD-4.1#PBF

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 4.75 V ~ 32 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 12-WFDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RELATED PARTS
LT3650-4.1/LT3650-4.2
TYPICAL APPLICATION
PART NUMBER DESCRIPTION
LT1511
LT1513
LT1571
LT1769
LT3650-8.2/
LT3650-8.4
LTC4001/
LTC4001-1
LTC4002
LTC4006
LTC4007
LTC4008
LTC4009/
LTC4009-1/
LTC4009-2
20
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
INPUT SUPPLY
3A Constant-Current/Constant-Voltage
Battery Charger
SEPIC Constant or Programmable Current/
Constant-Voltage Battery Charger
1.5A Switching Charger
2A Switching Charger
Monolithic 2A Switch Mode
Nonsynchronous 2-Cell Li-Ion
Battery Charger
Monolithic 2A Switch Mode Synchronous
Li-Ion Battery Charger
Standalone Li-Ion Switch Mode
Battery Charger
Small, High Effi ciency, Fixed Voltage Li-Ion
Battery Charger with Termination
High Effi ciency, Programmable Voltage
Battery Charger with Termination
4A, High Effi ciency, Multi-Chemistry
Battery Charger
4A, High Effi ciency, Multi-Chemistry
Battery Charger
10V TO 32V
AT 1A
SYSTEM LOAD
●
FAX: [phone]
10V to 32V 1.5A Charger with C/10 Termination and 1A Input Supply Limit.
10μF
330k
47k
●
www.linear.com
0.05Ω
Status Pins Use LED Indicators
10k
10k
COMMENTS
High Effi ciency, Minimum External Components to Fast Charge Lithium, NIMH and NiCd
Batteries, 24-Lead SO Package
Charger Input Voltage May Be Higher, Equal to or Lower Than Battery Voltage, 500kHz
Switching Frequency, DD Pak and TO-220 Packages
1- or 2-Cell Li-Ion, 500kHz or 200kHz Switching Frequency, Termination Flag, 16- and
28-Lead SSOP Packages
Constant-Current/Constant-Voltage Switching Regulator, Input Current Limiting
Maximizes Charge Current, 20-Lead TSSOP and 28-Lead SSOP Packages
Standalone, 9V ≤ V
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
Standalone, 4V ≤ V
Rectifi cation Effi ciency >90%, Adjustable Timer Termination, Small and Few External
Components, LTC4001-1 for 4.1V Float Voltage Batteries, 4mm × 4mm QFN-16 Package
Complete Charger for 1- or 2-Cell Li-Ion Batteries, Onboard Timer Termination,
Up to 4A Charge Current, 10-Lead DFN and SO-8 Packages
Complete Charger for 2-, 3- or 4-Cell Li-Ion Batteries, AC Adapter Current Limit and
Thermistor Sensor, 16-Lead Narrow SSOP Package
Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter Current Limit, Thermistor
Sensor and Indicator Outputs, 24-Lead SSOP Package
Complete Charger for 2- to 6-Cell Li-Ion Batteries or 4- to 18-Cell Nickel Batteries,
Up to 96% Effi ciency, 20-Lead SSOP Package
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.
CLP
SHDN
CHRG
FAULT
TIMER
V
IN
LT3650
RNG/SS
BOOST
SENSE
IN
IN
NTC
BAT
≤ 32V (40V Abs Max), 1MHz, 2A Programmable Charge Current,
≤ 5.5V (6V Abs Max, 7V Transient), 1.5MHz, Synchronous
SW
BAS40
1μF
0.1μF
365042 TA04
B = 3380
10k
10μF
+
© LINEAR TECHNOLOGY CORPORATION 2009
0.068
10μH
B240A
LT 0809 REV A • PRINTED IN USA
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