LTC1733
U
TYPICAL APPLICATIO
Full Featured Single Cell Li-Ion Charger
V
= 5V
IN
1k
1k
8
2
1k
SEL
V
CC
10
3
4k
ACPR
FAULT
BAT
1%
1
6
4
CHRG
I
= 500mA
4.7µF
LTC1733
NTC
BAT
9
1µF
7
TIMER
PROG
+
R
4.2V Li-Ion
BATTERY
NTC
10k
GND
3k
1%
1Ω
5
0.1µF
1733 F05
RELATED PARTS
PART NUMBER
DESCRIPTION
200kHz/500kHz Switching Battery Charger
Lithium-Ion Battery Charger Termination Controllers Time or Charge Current Termination, Preconditioning 8-Lead MSOP
COMMENTS
LT1571
Up to 1.5A Charge Current; Preset and Adjustable Battery Voltages
LTC1729
LTC1730
Lithium-Ion Battery Pulse Charger
No Blocking Diode Required, Current Limit for Maximum Safety
LTC1731
Lithium-Ion Linear Battery Charger Controller
Simple Charger uses External FET, Features Preset Voltages, C/10
Charger Detection and Programmable Timer
LTC1732
Lithium-Ion Linear Battery Charger Controller
Simple Charger uses External FET, Features Preset Voltages, C/10
Charger Detection and Programmable Timer, Input Power Good Indication
LTC1734
LTC1998
LTC4050
Lithium-Ion Linear Battery Charger in ThinSOT
Lithium-Ion Low Battery Detector
Simple ThinSOT Charger, No Blocking Diode, No Sense Resistor Needed
1% Accurate 2.5µA Quiescent Current, SOT-23
Lithium-Ion Linear Battery Charger Controller
Simple Charger uses External FET, Features Preset Voltages, C/10
Charger Detection and Programmable Timer, Input Power Good Indication,
Thermistor Interface
sn1733 1733fs
LT/TP 0602 2K • PRINTED IN USA
16 LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
●
(408) 432-1900 FAX: (408) 434-0507 www.linear.com