DC1138A-B [Linear]
LTC3557EUF USB PWR MGR with Li-Ion CHARGER;
| 型号： | DC1138A-B |
| 厂家： | 
Linear |
| 描述： | LTC3557EUF USB PWR MGR with Li-Ion CHARGER |
| 文件： | 总1页 (文件大小：139K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
4
3
2
1
U2
LT3505EDD
D3
E1
JP10
CMDSH-4E
HVIN
8V - 36V
5V ADAPTER
HV BUCK
3
1
2
C1
1uF
50V
VIN
BOOST
C3
0.1uF
10V
_____
SHDN
D4
BZT52C16T
R1
E14
E15
L1
150k
5V ADAPTER
4.5V - 5.5V
R4
20
SW
GND
FB
JP1
6.8uH
VLCF5020T-6R8
D1
C5
4
6
SHDN
RT
C4
10uF
0603
6.3V
TP4
10uF
6.3V
0603
RUN
SHDN
OFF
JP2
R12
806k
MBRM140
5
7
C19
22pF
25V
SOFT-START
R3
49.9k
R26
1.0
5%
4
3
2
1
4
3
2
1
1%
R5
10.2k
ON
R2
20k
1%
VBUS
E2
J1
C2
0.068uF
GND
VBUS
4.35V - 5.5V
50V
0805
Q1
Si2333DS
1
2
3
4
5
VBUS
1
1
TP1
TP2
TP3
VOUT
C6
E16
E17
D-
D+
D-
D+
ID
10uF
0603
6.3V
C7
VOUT
2.9V - 5.5V
1.2A
10uF
0603
6.3V
D2
C8
LTC3557EUF-X
ID
CHRG
R25
1.0
5%
10uF
0603
6.3V
U1
*
GND
USB Mini-B
GND
Q2
Si2333DS
24
R13
510
VBUS
23
VOUT
E3
_____
CHRG
E18
28
GND
CHRG
E4
CLPROG
27
21
CLPROG
PROG
GATE
R6
E19
E20
2.1k
22
BAT
BAT
*
4
LDO3V3
LDO3V3
E5
E6
R24
0
OPT
J2
3.3V
C18
C9
C11
20
25mA
PROG
2.2uF
1.0uF
6.3V
0402
6
100uF
6.3V
OSCON B6
VIN1
DF3-3P-2DSA
R7
2.0k
6.3V
0402
C10
1
2
3
BAT
GND
ENTC
2.2uF
16
VIN2
6.3V
0402
E21
E22
L2
1
2
5
VOUT1
3.3V
600mA
ILIM0
ILIM1
EN1
SW1
ILIM0
ILIM1
3.3uH
1098AS-3R3M
VBUS
R21
20
JP3
ILIM0
C13
TP5
10uF
0603
6.3V
0
1
E7
C12
R14
1.02M
10pF
GND
R15
324k
JP4
0
ILIM1
7
FB1
____
RST2
E23
14
1
RST2
E8
9
R20
EN1
EN2
VOUT
JP5
100k
EN1
ON
E24
L3
15
VOUT2
1.2V
400mA
SW2
R23
20
4.7uH
1098AS-4R7M
OFF
E9
10
11
TP6
EN2
C15
10uF
0603
6.3V
JP6
EN2
C14
10pF
R16
232k
R17
464k
E25
E26
OFF
ON
E10
E11
13
FB2
GND
EN3
EN3
JP7
EN3
L4
17
VOUT3
1.8V
400mA
SW3
4.7uH
1098AS-4R7M
OFF
JP8
ON
R22
20
8
C17
10uF
0603
6.3V
MODE
TP7
MODE
VNTC
MODE
C16
10pF
R18
806k
R19
E27
18
649k
12
FB3
GND
R8
100k
E12
E13
VNTC
NTC
JP9
INT
NTC
EXT
R9
R10
R11
0
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
CONTRACT NO.
APPROVALS
CUSTOMER NOTICE
100k
0
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
CONTROLLED INPUT CURRENT LIMIT
TECHNOLOGY
TITLE: SCHEMATIC
DRAWN:
LTC Confidential-For Customer Use Only
B. Shaffer
ILIM1
ILIM0
IBUS(LIM)
100mA (1X)
1A (10X)
CHECKED:
*
0
0
1
0
1
U1
APPROVED:
ASSY
BAT
LTC3557EUF USB PWR MGR with Li-Ion CHARGER and
3 STEP-DOWN REGULATORS + LT3505EDD
DWG NO.
0
1
LTC3557EUF
4.2V
4.1V
ENGINEER:
-A
-B
B. Shaffer
SIZE
REV
SUSPEND
500mA (5X)
LTC3557EUF-1
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. DESIGNER:
DC1138A-A/B
A
B
1
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
Wednesday, March 12, 2008
DATE:
1
OF
1
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SHEET
4
3
2
1
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