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: 27/36页
文件大小: 518K
代理商: LTC3553EUD#PBF
LTC3553
33
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
3 CELL
ALKALINE
OR LITHIUM
C1
10μF
20
U1
U2
16
1
19
5
2
6
7
3
4
PB1
8
13
9
10
12
11
17
18
14
15
RPROG
1.87k
C4
4.7μF
C2
2.2μF
RUP1
1M
RUP2
590k
RLO1
464k
2.5V
C5
10pF
R4
100k
R3
100k
C6
10μF
RLO2
464k
1.8V
L1
10μH
SYSTEM LOAD
4.35V TO 5.5V
USB INPUT
LTC3553
I/O
CORE
PBSTAT
STBY
EN
SUSP
HPWR
3553 TA04
C
+
C3
10μF
3-Cell Alkaline/Lithium With PowerPath (Charger Disabled)
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