LTC3557EUF-PBF 查看數據表（PDF） - Linear Technology
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LTC3557EUF-PBF Datasheet PDF : 28 Pages
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BLOCK DIAGRAM
LTC3557/LTC3557-1
VBUS
24
CLPROG
27
3
WALL
WALL
DETECT
25
ACPR
26
VC
VC
CONTROL
INPUT
CURRENT
LIMIT
CC/CV
CHARGER
IDEAL
DIODE
+–
+
–
15mV
VNTC
18
NTC
19
BATTERY
TEMP
MONITOR
CHRG
28
CHARGE
STATUS
ILIM0
1
ILIM1
2
EN1
9
EN2
10
EN3
11
MODE
8
RST2
14
ILIM
LOGIC
EN
LOGIC
3.3V
LDO
600mA, 2.25MHz
BUCK REGULATOR
OSC
REF
EN
MODE
400mA, 2.25MHz
BUCK REGULATOR
OSC
EN
MODE
400mA, 2.25MHz
BUCK REGULATOR
OSC
EN
MODE
GND
29
VOUT
23
GATE
21
BAT
22
PROG
20
LDO3V3
4
VIN1
6
SW1
5
FB1
7
VIN2
16
SW2
15
FB2
13
SW3
17
FB3
12
35571 BD
35571fc
11
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