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: 26/36页
文件大小: 518K
代理商: LTC3553EUD#PBF
LTC3553
32
3553fa
TYPICAL APPLICATIONS
VBUS
NTC
PROG
HPWR
SUSP
LDO_ON
SEQ
STBY
BUCK_ON
PBSTAT
ON
VOUT
CHRG
BAT
BVIN
VINLDO
LDO
LDO_FB
SW
BUCK_FB
GND
Li-Ion
BATTERY
C1
10μF
C3
10μF
R3
R1
100k
20
16
1
19
5
2
6
7
3
4
PB1
8
13
9
10
12
11
17
18
14
15
RPROG
1.87k
T
C4
4.7μF
C2
2.2μF
RUP1
RUP2
2.05M
RLO1
649k
3.3V
LDO
1.8V
C5
10pF
C6
10μF
332k
RLO2
649k
1.2V
L1
10μH
SYSTEM LOAD
4.35V TO 5.5V
USB INPUT
LTC3553
I/O
CORE
PBSTAT
BUCK_ON
STBY
LDO_ON
SUSP
HPWR
3553 TA02
C
MEMORY
EN
R2
100k
R3
100k
+
USB PowerPath With Li-Ion Battery (NTC Qualied Charging)
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