参数资料
型号: LTC3553EUD#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
封装: 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20
文件页数: 6/36页
文件大小: 518K
代理商: LTC3553EUD#PBF
LTC3553
14
3553fa
BLOCK DIAGRAM
0.8V
150mA LDO
EN
STBY
INPUT
CURRENT
LIMIT
CC/CV
CHARGER
BATTERY
TEMP
MONITOR
PUSHBUTTON
INTERFACE
AND
SEQUENCE
LOGIC
1.125MHz
OSCILLATOR
CHARGE
STATUS
0.8V
OSC
VBUS
VOUT
BAT
PROG
SW
BUCK_FB
VINLDO
LDO
LDO_FB
HPWR
SUSP
NTC
EXTPWR
UVLO
STBY
GND
3553 BD1
BUCK_ON
LDO_ON
PBSTAT
ON
CHRG
200mA BUCK DC/DC
EN
STBY
SEQ
20
18
17
16
BVIN
12
13
8
11
10
9
1
19
15
14
6
21
7
5
3
4
2
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