DC1142A-B [Linear]
LTC3557EUF USB PWR MGR with Li-Ion CHARGER;
| 型号： | DC1142A-B |
| 厂家： | 
Linear |
| 描述： | LTC3557EUF USB PWR MGR with Li-Ion CHARGER |
| 文件： | 总1页 (文件大小：164K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
4
3
2
1
C3
0.47uF
10V
2
3
BOOST
U2
E1
L1
6.3uH
JP11
4
HV BUCK
E14
5V ADAPTER
4.5V - 5.5V
LT3480EDD
HVIN
8V - 38V
VIN
5V ADAPTER
SW
C1
NR6045T6R3M
4.7uF
R1
150k
C5
(60V TRANSIENT)
_____
SHDN
50V
TP4
D1
DFLS240L
R4
20
10uF
6.3V
0603
C4
1206
22uF
6.3V
0805
JP1
RUN
R12
510
5
JP10
RUN/SS
RT
1
6
R26
1.0
BD
SHDN
R3
499k
PULSE-SKIP
OFF
SYNC
JP2
SYNC
10
E15
ON SOFT-START
R5
100k
4
3
2
1
4
3
2
1
BURST
GND
C2
R2
40.2k
8
7
VBUS
FB
E2
VBUS
0.068uF
50V
PG
0805
4.35V - 5.5V
J1
Q1
Si2333DS
1
VBUS
1
1
TP1
VOUT
2
3
4
5
C6
E16
D-
D+
D-
10uF
6.3V
0603
C7
TP2
VOUT
2.9V - 5.5V
2A
10uF
6.3V
D+
ID
C8
D2
CHRG
TP3
0603
10uF
6.3V
0603
ID
LTC3557EUF-X
R25
1.0
E17
E18
Q2
Si2333DS
GND
U1
*
VBUS
GND
MINI-B USB
E3
24
R13
510
23
VOUT
_____
CHRG
28
21
22
4
CHRG
GATE
BAT
GND
E4
27
CLPROG
CLPROG
R6
E19
E20
2.1k
BAT*
LDO3V3
VIN1
LDO3V3
3.3V
25mA
E5
R24
0
C9
C18
20
C11
1.0uF
6.3V
PROG
PROG
2.2uF
6.3V
0402
6
100uF
6.3V
DF3-3P-2DSA
R7
C10
2.0k
1
2
3
0402
BAT
J2
OSCON B6
2.2uF
16
5
VIN2
GND
OPT
ENTC
6.3V
0402
E6
E21
L2
1
2
VOUT1
3.3V
600mA
ILIM0
ILIM1
EN1
SW1
ILIM0
ILIM1
3.3uH
1098AS-3R3M
R21
20
JP3
0
VBUS
ILIM0
TP5
C13
10uF
1
E7
E22
E23
6.3V
0603
C12
R14
1.02M
GND
10pF
50V
R15
324k
JP4
0
ILIM1
7
FB1
____
RST2
14
RST2
1
E8
9
R20
100k
EN1
EN2
JP5
VOUT
EN1
ON
E24
L3
15
VOUT2
1.2V
400mA
SW2
4.7uH
1098AS-4R7M
R23
20
OFF
E9
C15
10uF
6.3V
0603
10
11
TP6
EN2
JP6
EN2
C14
10pF
50V
R16
232k
R17
464k
E25
E26
OFF
ON
E10
E11
13
17
FB2
GND
EN3
EN3
JP7
EN3
ON
L4
SW3
VOUT3
1.8V
400mA
4.7uH
1098AS-4R7M
R22
20
OFF
C17
10uF
6.3V
0603
8
TP7
MODE
MODE
VNTC
JP8
MODE
C16
10pF
50V
R18
806k
R19
649k
18
E27
12
FB3
GND
R8
100k
E12
E13
VNTC
NTC
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
NTC
R11
CONTRACT NO.
APPROVALS
JP9
INT
CUSTOMER NOTICE
R9
100k
R10
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
0
0
EXT
TECHNOLOGY
TITLE: SCHEMATIC
DRAWN:
LTC Confidential-For Customer Use Only
CONTROLLED INPUT CURRENT LIMIT
B. Shaffer
CHECKED:
ILIM1
ILIM0
IBUS(LIM)
100mA (1X)
1A (10X)
*
LTC3557EUF USB PWR MGR with Li-Ion CHARGER and
3 STEP-DOWN REGULATORS + LT3480EDD
APPROVED:
U1
BAT
4.2V
4.1V
0
0
1
0
1
ASSY
ENGINEER:
LTC3557EUF
LTC3557EUF-1
-A
-B
0
1
B. Shaffer
SIZE
DWG NO.
REV
B
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. DESIGNER:
SUSPEND
500mA (5X)
3
DC1142A-A/B
Tuesday, March 18, 2008
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
1
DATE:
1
OF
1
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SHEET
4
2
1
相关型号：
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