LTC3553 Linear Technology Corporation, LTC3553 Datasheet - Page 14
LTC3553
Manufacturer Part Number
LTC3553
Description
Micropower USB Power Manager
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC3553.pdf
(36 pages)
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www.DataSheet.in
BLOCK DIAGRAM
LTC3553
14
BUCK_ON
LDO_ON
PBSTAT
HPWR
CHRG
SUSP
STBY
V
NTC
SEQ
BUS
ON
20
19
15
14
1
6
7
5
3
4
2
MONITOR
BATTERY
TEMP
CHARGE
STATUS
EXTPWR
PUSHBUTTON
INTERFACE
SEQUENCE
LOGIC
AND
CURRENT
INPUT
UVLO
LIMIT
OSCILLATOR
1.125MHz
CHARGER
CC/CV
GND
21
OSC
EN
STBY
EN
STBY
0.8V
0.8V
200mA BUCK DC/DC
150mA LDO
3553 BD1
18
17
16
12
13
11
10
8
9
V
BAT
PROG
BVIN
SW
BUCK_FB
V
LDO
LDO_FB
OUT
INLDO
3553f
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