LTC4053-4.2
16
4053fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2001
LT/LT 0705 REV A • PRINTED IN USA
Li-Ion Battery Charger with Reverse Polarity Input Protection
LTC4053-4.2
BAT
PROG
V
CC
SHDN
TIMER
GND NTC
0.1µF
4.7µF
8
2
4
9
7
5
4053 F07
6
I
BAT
= 1A
1-CELL
Li-Ion
BATTERY
5V WALL
ADAPTER
1.5k
1%
+
ACPR
FAULT
BAT
PROG
CHRG
NTC
TIMER
GND
V
IN
= 5V
4k
1%
3k
1%
R
NTC
10k
4.7µF
1µF
0.1µF
I
BAT
= 500mA
4053 F08
1k
1k 1k
SHDN
Li-Ion
CELL
V
CC
82
10
3
9
7
5
4
6
1
1Ω
LTC4053-4.2
Full Featured Single Cell Li-Ion Charger
USB/Wall Adapter Power Li-Ion Battery Charger
SUSPEND
0.1µF
15k
4.7µF
1µF
4053 F06
1k
Li-Ion
CELL
USB
POWER
5V WALL
ADAPTER
100mA/
500mA
µC
3.74k
LTC4053-4.2
BAT
SHDN
V
CC
TIMER
GND
2
9
8
75
NTC
6
4
I
BAT
PROG
1Ω
+
TYPICAL APPLICATIO S
U
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ThinSOT is a trademark of Linear Technology Corporation.
