Datasheet

LTC3531/
LTC3531-3.3/LTC3531-3
16
3531fa
Linear Technolog y Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT/LWI 0606 REV A • PRINTED IN USA
U
TYPICAL APPLICATIO
SW1 SW2
SHDN
GND
V
IN
V
OUT
LTC3531-3.3
C2
10µF
C1
22µF
L1
10µH
3.1V TO 5.25V
3531 TA05
OTHER
DC/DC
100k
100k
0.1µF
WALL NTC
OUT
CHRG
ACPR
VNTC
TIMER
CLPROG
PROG
IN1
IN2
HPWR
SUSP
BAT
GND
LTC4055
+
–
Li-Ion
5V (NOM)
FROM USB
CABLE
SUSPEND
USB POWER
V
OUT
: USB OR BATTERY
C1, C2: TAIYO YUDEN JMK316BJ106ML
L1: MURATA LQH43CN100K03 (650mA 0.24Ω)
V
OUT
3.3V
160mA
SHDN
Complete USB/Li-Ion Powered System
with 3.3V
OUT
and Linear Charger
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