LTC3557 LINER [Linear Technology], LTC3557 Datasheet - Page 27

• Manufacturer Part Number: LTC3557
• Description: USB Power Manager with Li-Ion Charger and Three Step-Down Regulators
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATION
(TRANSIENTS
8V TO 38V
TO 60V)
HV
IN
ADAPTER
5V WALL
USB OR
4.7μF
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
68nF
100k
NTC
40.2k
NC
NC
150k
CONTROL
10
10μF
4
5
6
7
PMIC
V
RUN/SS
R
SYNC
PG
100k
2.1k
GND
IN
T
2k
11
LT3480
24
27
20
18
19
10
11
1
2
9
8
BOOST
V
CLPROG
PROG
V
NTC
ILIM0
ILIM1
EN1
EN2
EN3
MODE
V
V
BUS
NTC
C
SW
C
BD
9
26
FB
LTC3557-1
LTC3557/
WALL ACPR
GND
2
3
1
8
3
LDO3V3
29
CHRG
BV
BV
RST2
GATE
V
SW1
SW3
SW2
BAT
OUT
FB1
FB3
FB2
IN1
IN2
25
0.47μF
DFLS240L
23
6
16
28
21
22
4
5
7
17
12
14
15
13
6.8μH
2.2μF
10μF
1μF
OPTIONAL HIGH VOLTAGE
3.3μH
4.7μH
4.7μH
2.2μF
3.3V
25mA
ALWAYS ON
499k
BUCK INPUT
100k
Si2333DS
LTC3557/LTC3557-1
10pF
10pF
10pF
22μF
510Ω
1.02M
806k
100k
232k
+
Si2333DS
(OPT)
Li-Ion
324k
649k
464k
35571 TA02
10μF
10μF
10μF
RST2
V
BAT
V
3.3V
600mA
V
1.8V
400mA
V
1.2V
400mA
OUT
OUT1
OUT3
OUT2
27
35571fc